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includes line losses; Commerce's restatement, not the disclosure published for the year", "period": { "hours": null, "kind": "calendar_year", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "year": 2017 }, "precision": 0, "quality": "valid", "source_ref": "wa-fmd-2017-by-category", "unit": "MWh", "value": 9946405.0 } ], "method_era": "restated_pre_2018", "report_year": 2017, "source_ref": "wa-fmd-2017-by-category", "unspecified_share": 0.0472 }, { "available": true, "bpa_share": 0.4503, "categories": [ { "category": "Hydro", "mwh": 8287376.0, "resource_group": "hydro", "share": 0.859 }, { "category": "Wind", "mwh": 652970.0, "resource_group": "wind", "share": 0.0677 }, { "category": "Nuclear", "mwh": 464437.0, "resource_group": "nuclear", "share": 0.0481 }, { "category": "Market", "mwh": 130793.0, "resource_group": "unspecified", "share": 0.0136 }, { "category": "Biogas", "mwh": 111716.0, "resource_group": "waste", "share": 0.0116 }, { "category": "Natural Gas", "mwh": 296.0, "resource_group": "gas", "share": 0.0 } ], "claimant": { "id": 95, "link_basis": "curated", "name": "Seattle City Light" }, "facts": [ { "basis": "Washington Fuel Mix Disclosure: total MWh across fuel categories for the claimant's Washington customers, including line losses, for the report year", "coverage": { "eligible": 15, "included": 15, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868#disclosed_sales_mwh@2018", "label": "Washington retail sales disclosed", "locator": "Claimant ID=95", "maturity": "final", "method": "direct", "metric": "disclosed_sales_mwh", "missing_reason": null, "note": "Washington customers only for multi-state utilities; includes line losses", "period": { "hours": null, "kind": "calendar_year", "period_end": "2019-01-01T00:00:00Z", "period_start": "2018-01-01T00:00:00Z", "year": 2018 }, "precision": 0, "quality": "valid", "source_ref": "wa-fmd-2018-by-category", "unit": "MWh", "value": 9647588.0 } ], "method_era": "from_2018", "report_year": 2018, "source_ref": "wa-fmd-2018-by-category", "unspecified_share": 0.0136 }, { "available": true, "bpa_share": 0.452, "categories": [ { "category": "Hydro", "mwh": 7935518.0, "resource_group": "hydro", "share": 0.8345 }, { "category": "Market", "mwh": 612790.0, "resource_group": "unspecified", "share": 0.0644 }, { "category": "Nuclear", "mwh": 492317.0, "resource_group": "nuclear", "share": 0.0518 }, { "category": "Wind", "mwh": 349239.0, "resource_group": "wind", "share": 0.0367 }, { "category": "Biogas", "mwh": 119743.0, "resource_group": "waste", "share": 0.0126 } ], "claimant": { "id": 95, "link_basis": "curated", "name": "Seattle City Light" }, "facts": [ { "basis": "Washington Fuel Mix Disclosure: total MWh across fuel categories for the claimant's Washington customers, including line losses, for the report year", "coverage": { "eligible": 15, "included": 15, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868#disclosed_sales_mwh@2019", "label": "Washington retail sales disclosed", "locator": "Claimant ID=95", "maturity": "final", "method": "direct", "metric": "disclosed_sales_mwh", "missing_reason": null, "note": "Washington customers only for multi-state utilities; includes line losses", "period": { "hours": null, "kind": "calendar_year", "period_end": "2020-01-01T00:00:00Z", "period_start": "2019-01-01T00:00:00Z", "year": 2019 }, "precision": 0, "quality": "valid", "source_ref": "wa-fmd-2019-by-category", "unit": "MWh", "value": 9509607.0 } ], "method_era": "from_2018", "report_year": 2019, "source_ref": "wa-fmd-2019-by-category", "unspecified_share": 0.0644 }, { "available": true, "bpa_share": 0.4562, "categories": [ { "category": "Hydro", "mwh": 7909407.0, "resource_group": "hydro", "share": 0.8609 }, { "category": "Wind", "mwh": 472131.0, "resource_group": "wind", "share": 0.0514 }, { "category": "Nuclear", "mwh": 457743.0, "resource_group": "nuclear", "share": 0.0498 }, { "category": "Market", "mwh": 234663.0, "resource_group": "unspecified", "share": 0.0255 }, { "category": "Biogas", "mwh": 114168.0, "resource_group": "waste", "share": 0.0124 } ], "claimant": { "id": 95, "link_basis": "curated", "name": "Seattle City Light" }, "facts": [ { "basis": "Washington Fuel Mix Disclosure: total MWh across fuel categories for the claimant's Washington customers, including line losses, for the report year", "coverage": { "eligible": 15, "included": 15, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868#disclosed_sales_mwh@2020", "label": "Washington retail sales disclosed", "locator": "Claimant ID=95", "maturity": "final", "method": "direct", "metric": "disclosed_sales_mwh", "missing_reason": null, "note": "Washington customers only for multi-state utilities; includes line losses", "period": { "hours": null, "kind": "calendar_year", "period_end": "2021-01-01T00:00:00Z", "period_start": "2020-01-01T00:00:00Z", "year": 2020 }, "precision": 0, "quality": "valid", "source_ref": "wa-fmd-2020-by-category", "unit": "MWh", "value": 9188112.0 } ], "method_era": "from_2018", "report_year": 2020, "source_ref": "wa-fmd-2020-by-category", "unspecified_share": 0.0255 }, { "available": true, "bpa_share": 0.423, "categories": [ { "category": "Hydro", "mwh": 8192729.0, "resource_group": "hydro", "share": 0.8622 }, { "category": "Nuclear", "mwh": 437845.0, "resource_group": "nuclear", "share": 0.0461 }, { "category": "Wind", "mwh": 430108.0, "resource_group": "wind", "share": 0.0453 }, { "category": "Market", "mwh": 337611.0, "resource_group": "unspecified", "share": 0.0355 }, { "category": "Biogas", "mwh": 103988.0, "resource_group": "waste", "share": 0.0109 } ], "claimant": { "id": 95, "link_basis": "curated", "name": "Seattle City Light" }, "facts": [ { "basis": "Washington Fuel Mix Disclosure: total MWh across fuel categories for the claimant's Washington customers, including line losses, for the report year", "coverage": { "eligible": 15, "included": 15, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868#disclosed_sales_mwh@2021", "label": "Washington retail sales disclosed", "locator": "Claimant ID=95", "maturity": "final", "method": "direct", "metric": "disclosed_sales_mwh", "missing_reason": null, "note": "Washington customers only for multi-state utilities; includes line losses", "period": { "hours": null, "kind": "calendar_year", "period_end": "2022-01-01T00:00:00Z", "period_start": "2021-01-01T00:00:00Z", "year": 2021 }, "precision": 0, "quality": "valid", "source_ref": "wa-fmd-2021-by-category", "unit": "MWh", "value": 9502281.0 } ], "method_era": "from_2018", "report_year": 2021, "source_ref": "wa-fmd-2021-by-category", "unspecified_share": 0.0355 }, { "available": true, "bpa_share": 0.379, "categories": [ { "category": "Hydro", "mwh": 8616576.0, "resource_group": "hydro", "share": 0.8801 }, { "category": "Wind", "mwh": 511269.0, "resource_group": "wind", "share": 0.0522 }, { "category": "Nuclear", "mwh": 407442.0, "resource_group": "nuclear", "share": 0.0416 }, { "category": "Market", "mwh": 150501.0, "resource_group": "unspecified", "share": 0.0154 }, { "category": "Biogas", "mwh": 104769.0, "resource_group": "waste", "share": 0.0107 } ], "claimant": { "id": 95, "link_basis": "curated", "name": "Seattle City Light" }, "facts": [ { "basis": "Washington Fuel Mix Disclosure: total MWh across fuel categories for the claimant's Washington customers, including line losses, for the report year", "coverage": { "eligible": 15, "included": 15, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868#disclosed_sales_mwh@2022", "label": "Washington retail sales disclosed", "locator": "Claimant ID=95", "maturity": "final", "method": "direct", "metric": "disclosed_sales_mwh", "missing_reason": null, "note": "Washington customers only for multi-state utilities; includes line losses", "period": { "hours": null, "kind": "calendar_year", "period_end": "2023-01-01T00:00:00Z", "period_start": "2022-01-01T00:00:00Z", "year": 2022 }, "precision": 0, "quality": "valid", "source_ref": "wa-fmd-2022-by-category", "unit": "MWh", "value": 9790557.0 } ], "method_era": "from_2018", "report_year": 2022, "source_ref": "wa-fmd-2022-by-category", "unspecified_share": 0.0154 }, { "available": true, "bpa_share": 0.4136, "categories": [ { "category": "Hydro", "mwh": 7497314.0, "resource_group": "hydro", "share": 0.7828 }, { "category": "Wind", "mwh": 789681.0, "resource_group": "wind", "share": 0.0824 }, { "category": "Market", "mwh": 755008.0, "resource_group": "unspecified", "share": 0.0788 }, { "category": "Nuclear", "mwh": 445831.0, "resource_group": "nuclear", "share": 0.0465 }, { "category": "Biogas", "mwh": 91147.0, "resource_group": "waste", "share": 0.0095 } ], "claimant": { "id": 95, "link_basis": "curated", "name": "Seattle City Light" }, "facts": [ { "basis": "Washington Fuel Mix Disclosure: total MWh across fuel categories for the claimant's Washington customers, including line losses, for the report year", "coverage": { "eligible": 15, "included": 15, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868#disclosed_sales_mwh@2023", "label": "Washington retail sales disclosed", "locator": "Claimant ID=95", "maturity": "final", "method": "direct", "metric": "disclosed_sales_mwh", "missing_reason": null, "note": "Washington customers only for multi-state utilities; includes line losses", "period": { "hours": null, "kind": "calendar_year", "period_end": "2024-01-01T00:00:00Z", "period_start": "2023-01-01T00:00:00Z", "year": 2023 }, "precision": 0, "quality": "valid", "source_ref": "wa-fmd-2023-by-category", "unit": "MWh", "value": 9578981.0 } ], "method_era": "from_2018", "report_year": 2023, "source_ref": "wa-fmd-2023-by-category", "unspecified_share": 0.0788 }, { "available": true, "bpa_share": 0.4519, "categories": [ { "category": "Hydro", "mwh": 7295920.0, "resource_group": "hydro", "share": 0.7748 }, { "category": "Wind", "mwh": 990706.0, "resource_group": "wind", "share": 0.1052 }, { "category": "Nuclear", "mwh": 548930.0, "resource_group": "nuclear", "share": 0.0583 }, { "category": "Market", "mwh": 502119.0, "resource_group": "unspecified", "share": 0.0533 }, { "category": "Biogas", "mwh": 79112.0, "resource_group": "waste", "share": 0.0084 } ], "claimant": { "id": 95, "link_basis": "curated", "name": "Seattle City Light" }, "facts": [ { "basis": "Washington Fuel Mix Disclosure: total MWh across fuel categories for the claimant's Washington customers, including line losses, for the report year", "coverage": { "eligible": 15, "included": 15, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868#disclosed_sales_mwh@2024", "label": "Washington retail sales disclosed", "locator": "Claimant ID=95", "maturity": "final", "method": "direct", "metric": "disclosed_sales_mwh", "missing_reason": null, "note": "Washington customers only for multi-state utilities; includes line losses", "period": { "hours": null, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "wa-fmd-2024-by-category", "unit": "MWh", "value": 9416787.0 } ], "method_era": "from_2018", "report_year": 2024, "source_ref": "wa-fmd-2024-by-category", "unspecified_share": 0.0533 } ], "history_note": "Each year as Commerce's fuel-mix system holds it: MWh and shares of the utility's Washington retail sales including line losses, never generation and never a compliance finding. Years before CY2018 are Commerce's restatement under the 2019 method, not the disclosure published for the year; no change is taken across that break.", "method_era": "from_2018", "method_eras": { "from_2018": { "document": "CY2022-Aggregate Fuel Mix Time Series.xlsx", "label": "CY2018 on", "locator": "Info!A10; Info!A16", "note": "Unspecified power is disclosed as its own category, as the statute has required since ESHB 1428 (2019); Commerce's statutory aggregate carries an unspecified row from CY2018.", "source_ref": "wa-fmd-2022-aggregate-time-series", "url": "https://deptofcommerce.app.box.com/s/l9sqx4bcfnko3omrpk4tv8n0vbzcvsdz/folder/368878833354" }, "restated_pre_2018": { "document": "CY2022-Aggregate Fuel Mix Time Series.xlsx", "label": "Before CY2018: restated", "locator": "Info!A10; Info!A16", "note": "Commerce's current system run over what utilities reported for a year before CY2018. The disclosure published for that year followed the old law, which required Commerce to assign fuel shares to unspecified power; this run keeps unspecified power as its own Market category, and Commerce's statewide totals for these years differ from the statutory reports. Not the label customers received, and not comparable with CY2018 on.", "source_ref": "wa-fmd-2022-aggregate-time-series", "url": "https://deptofcommerce.app.box.com/s/l9sqx4bcfnko3omrpk4tv8n0vbzcvsdz/folder/368878833354" } }, "note": "Categories and shares as Commerce computed them from declared resources, the BPA system mix (BPA's own mix applied to BPA deliveries, remainder unspecified) and unspecified purchases; a declared resource needs ownership or an auditable contract and its REC; renewable power without the REC counts as unspecified. Not an emissions accounting.", "plant_claims": [ { "category": "Hydro", "claim_type": "BPA Claim", "fuel_type": "Water", "mwh": 3204231.0, "plant": null, "plant_code": "9999991", "plant_name": "BPA Claim", "rec": null, "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 2314850.0, "plant": { "id": "plant:eia:6433", "name": "Boundary Dam" }, "plant_code": "6433", "plant_name": "Boundary", "rec": null, "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 664454.0, "plant": { "id": "plant:eia:6431", "name": "Gorge Dam" }, "plant_code": "6431", "plant_name": "Gorge", "rec": null, "renewable": true }, { "category": "Nuclear", "claim_type": "BPA Claim", "fuel_type": "Nuclear", "mwh": 548930.0, "plant": null, "plant_code": "9999991", "plant_name": "BPA Claim", "rec": null, "renewable": false }, { "category": "Market", "claim_type": "BPA Claim", "fuel_type": "Market", "mwh": 502119.0, "plant": null, "plant_code": "9999991", "plant_name": "BPA Claim", "rec": null, "renewable": false }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 389476.0, "plant": { "id": "plant:eia:55989", "name": "Stateline Wind Energy Center" }, "plant_code": "55989", "plant_name": "FPL Energy Vansycle LLC (OR)", "rec": "True", "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 348581.0, "plant": { "id": "plant:eia:6432", "name": "Diablo Dam" }, "plant_code": "6432", "plant_name": "Diablo", "rec": null, "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 242853.0, "plant": { "id": "plant:eia:6202", "name": "Ross Dam" }, "plant_code": "6202", "plant_name": "Ross", "rec": null, "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 209828.0, "plant": { "id": "plant:eia:10014", "name": "Lucky Peak Power Plant Project" }, "plant_code": "10014", "plant_name": "Lucky Peak Power Plant Project", "rec": null, "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 190680.0, "plant": { "id": "plant:eia:56695", "name": "Summer Falls Power Plant" }, "plant_code": "56695", "plant_name": "Summer Falls Power Plant", "rec": null, "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 74987.0, "plant": { "id": "plant:eia:55739", "name": "Condon Windpower LLC" }, "plant_code": "55739", "plant_name": "Condon Windpower LLC", "rec": "True", "renewable": true }, { "category": "Biogas", "claim_type": "Utility Specified", "fuel_type": "Landfill Gas", "mwh": 69586.0, "plant": { "id": "plant:eia:57015", "name": "Waste Management Columbia Ridge LFGTE" }, "plant_code": "57015", "plant_name": "Waste Management Columbia Ridge LFGTE", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 69366.0, "plant": { "id": "plant:eia:57125", "name": "Camp Reed" }, "plant_code": "57125", "plant_name": "Camp Reed", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 64380.0, "plant": { "id": "plant:eia:56441", "name": "Salmon Falls Wind Park" }, "plant_code": "56441", "plant_name": "Salmon Falls Wind Park", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 60250.0, "plant": { "id": "plant:eia:57749", "name": "Sawtooth Wind Project" }, "plant_code": "57749", "plant_name": "Sawtooth Wind Project", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 57339.0, "plant": { "id": "plant:eia:57761", "name": "Power County Wind Park North" }, "plant_code": "57761", "plant_name": "Power County Wind Park North", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 57337.0, "plant": { "id": "plant:eia:57760", "name": "Power County Wind Park South" }, "plant_code": "57760", "plant_name": "Power County Wind Park South", "rec": "True", "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 49818.0, "plant": { "id": "plant:eia:56698", "name": "Main Canal Headworks" }, "plant_code": "56698", "plant_name": "Main Canal Headworks", "rec": null, "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 43048.0, "plant": { "id": "plant:eia:622", "name": "South Fork Tolt" }, "plant_code": "622", "plant_name": "South Fork Tolt", "rec": null, "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 40575.0, "plant": { "id": "plant:eia:56439", "name": "Oregon Trail Wind Park" }, "plant_code": "56439", "plant_name": "Oregon Trail Wind Park", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 34803.0, "plant": { "id": "plant:eia:56435", "name": "Golden Valley Wind Park LLC" }, "plant_code": "56435", "plant_name": "Golden Valley Wind Park LLC", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 34126.0, "plant": { "id": "plant:eia:56442", "name": "Thousand Springs Wind Park" }, "plant_code": "56442", "plant_name": "Thousand Springs Wind Park", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 31534.0, "plant": { "id": "plant:eia:57136", "name": "Tuana Springs" }, "plant_code": "57136", "plant_name": "Tuana Springs", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 29764.0, "plant": { "id": "plant:eia:57578", "name": "PaTu Wind Farm LLC" }, "plant_code": "57578", "plant_name": "PaTu Wind Farm LLC", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 23953.0, "plant": { "id": "plant:eia:56443", "name": "Tuana Gulch Wind Park" }, "plant_code": "56443", "plant_name": "Tuana Gulch Wind Park", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 13666.0, "plant": { "id": "plant:eia:55560", "name": "Stateline Wind Energy Center" }, "plant_code": "55560", "plant_name": "FPL Energy Vansycle LLC (WA)", "rec": "True", "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 13240.0, "plant": { "id": "plant:eia:3887", "name": "Priest Rapids Dam" }, "plant_code": "3887", "plant_name": "Priest Rapids", "rec": "True", "renewable": true }, { "category": "Biogas", "claim_type": "Utility Specified", "fuel_type": "Other Biomass Gas", "mwh": 9526.0, "plant": { "id": "plant:eia:50329", "name": "West Point Treatment Plant" }, "plant_code": "50329", "plant_name": "West Point Treatment Plant", "rec": "True", "renewable": true }, { "category": "Wind", "claim_type": "Utility Specified", "fuel_type": "Wind", "mwh": 9150.0, "plant": { "id": "plant:eia:56468", "name": "Klondike Windpower III" }, "plant_code": "56468", "plant_name": "Klondike Windpower III", "rec": "True", "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 5962.0, "plant": { "id": "plant:eia:6430", "name": "Cedar Falls (WA)" }, "plant_code": "6430", "plant_name": "Cedar Falls (WA)", "rec": null, "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 5944.0, "plant": { "id": "plant:eia:3888", "name": "Wanapum Dam" }, "plant_code": "3888", "plant_name": "Wanapum", "rec": "True", "renewable": true }, { "category": "Hydro", "claim_type": "Utility Specified", "fuel_type": "Water", "mwh": 2431.0, "plant": { "id": "plant:eia:56697", "name": "Potholes East Canal 66.0" }, "plant_code": "56697", "plant_name": "Potholes East Canal 66.0", "rec": null, "renewable": true }, { "category": "Natural Gas", "claim_type": "Utility Specified", "fuel_type": "Natural Gas", "mwh": 0.0, "plant": { "id": "plant:eia:50329", "name": "West Point Treatment Plant" }, "plant_code": "50329", "plant_name": "West Point Treatment Plant", "rec": "True", "renewable": false } ], "plant_claims_total": 33, "products": [], "report_year": 2024, "source_ref": "wa-fmd-2024-by-category", "state": "WA", "unspecified_share": 0.0533 }, "distributed": { "by_class": [ { "capacity_mw": 55.014, "coverage": { "capacity_mw": { "eligible": 5, "included": 1, "unit": "native rows" }, "customers": { "eligible": 5, "included": 1, "unit": "native rows" } }, "customer_class": "residential", "customers": 7560, "is_storage": false, "quality": "suspect", "rows": 5, "utilities": 1 }, { "capacity_mw": 9.141, "coverage": { "capacity_mw": { "eligible": 5, "included": 1, "unit": "native rows" }, "customers": { "eligible": 5, "included": 1, "unit": "native rows" } }, "customer_class": "commercial", "customers": 448, "is_storage": false, "quality": "suspect", "rows": 5, "utilities": 1 }, { "capacity_mw": null, "coverage": { "capacity_mw": { "eligible": 5, "included": 0, "unit": "native rows" }, "customers": { "eligible": 5, "included": 0, "unit": "native rows" } }, "customer_class": "industrial", "customers": null, "is_storage": false, "quality": "missing", "rows": 5, "utilities": 1 }, { "capacity_mw": null, "coverage": { "capacity_mw": { "eligible": 5, "included": 0, "unit": "native rows" }, "customers": { "eligible": 5, "included": 0, "unit": "native rows" } }, "customer_class": "transportation", "customers": null, "is_storage": false, "quality": "missing", "rows": 5, "utilities": 1 } ], "by_tech": [ { "capacity_mw": 64.155, "coverage": { "capacity_mw": { "eligible": 4, "included": 2, "unit": "native rows" }, "customers": { "eligible": 4, "included": 2, "unit": "native rows" } }, "customers": 8008, "is_storage": false, "program": "net_metering", "quality": "suspect", "rows": 4, "tech_class": "pv", "utilities": 1 }, { "capacity_mw": 2.122, "coverage": { "capacity_mw": { "eligible": 4, "included": 2, "unit": "native rows" }, "customers": { "eligible": 4, "included": 2, "unit": "native rows" } }, "customers": 99, "is_storage": true, "program": "net_metering", "quality": "suspect", "rows": 4, "tech_class": "storage_pv", "utilities": 1 }, { "capacity_mw": null, "coverage": { "capacity_mw": { "eligible": 4, "included": 0, "unit": "native rows" }, "customers": { "eligible": 4, "included": 0, "unit": "native rows" } }, "customers": null, "is_storage": false, "program": "net_metering", "quality": "missing", "rows": 4, "tech_class": "chp_cogen", "utilities": 1 }, { "capacity_mw": null, "coverage": { "capacity_mw": { "eligible": 4, "included": 0, "unit": "native rows" }, "customers": { "eligible": 4, "included": 0, "unit": "native rows" } }, "customers": null, "is_storage": false, "program": "net_metering", "quality": "missing", "rows": 4, "tech_class": "other", "utilities": 1 }, { "capacity_mw": null, "coverage": { "capacity_mw": { "eligible": 4, "included": 0, "unit": "native rows" }, "customers": { "eligible": 4, "included": 0, "unit": "native rows" } }, "customers": null, "is_storage": true, "program": "net_metering", "quality": "missing", "rows": 4, "tech_class": "storage_nonpv", "utilities": 1 }, { "capacity_mw": null, "coverage": { "capacity_mw": { "eligible": 4, "included": 0, "unit": "native rows" }, "customers": { "eligible": 4, "included": 0, "unit": "native rows" } }, "customers": null, "is_storage": false, "program": "net_metering", "quality": "missing", "rows": 4, "tech_class": "virtual_pv", "utilities": 1 }, { "capacity_mw": null, "coverage": { "capacity_mw": { "eligible": 4, "included": 0, "unit": "native rows" }, "customers": { "eligible": 4, "included": 0, "unit": "native rows" } }, "customers": null, "is_storage": false, "program": "net_metering", "quality": "missing", "rows": 4, "tech_class": "wind", "utilities": 1 } ], "coverage": { "leaf_rows": 28, "net_metering_source_total_row_mw": 64.155, "rollup_rows_excluded": 4, "utilities": 1 }, "facts": [ { "basis": "Sum of EIA-861 utility-reported nameplate capacity over leaf technology classes, excluding storage and source rollup rows; utility x state grain; no locations; not part of the EIA-860 plant inventory", "coverage": { "blank_cells_excluded": 18, "eligible": 1, "included": 1, "unit": "reporting utilities" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/distributed#distributed_capacity_mw@2024", "label": "Distributed generation capacity (net-metered + non-net-metered)", "locator": "core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table)", "maturity": "final", "method": "derived", "metric": "distributed_capacity_mw", "missing_reason": null, "note": "net-metered + non-net-metered; the two EIA-861 schedules are disjoint by design", "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-net-metering", "unit": "MW", "value": 64.155 }, { "basis": "EIA-861 net metering schedule, leaf technology classes excluding storage", "coverage": { "blank_cells_excluded": 18, "eligible": 1, "included": 1, "unit": "reporting utilities" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/distributed#net_metering_capacity_mw@2024", "label": "Net-metered capacity", "locator": "core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table)", "maturity": "final", "method": "derived", "metric": "net_metering_capacity_mw", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-net-metering", "unit": "MW", "value": 64.155 }, { "basis": "EIA-861 non-net-metering distributed generation schedule, leaf technology classes excluding storage", "coverage": { "blank_cells_excluded": 0, "eligible": 0, "included": 0, "unit": "reporting utilities" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/distributed#non_net_metering_capacity_mw@2024", "label": "Non-net-metered distributed capacity", "locator": "core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table)", "maturity": "final", "method": "derived", "metric": "non_net_metering_capacity_mw", "missing_reason": "not_reported", "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "missing", "source_ref": "pudl-net-metering", "unit": "MW", "value": null }, { "basis": "EIA-861 net metering customer count over leaf technology classes; a customer with two technologies can be counted twice by the source", "coverage": { "blank_cells_excluded": 18, "eligible": 1, "included": 1, "unit": "reporting utilities" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/distributed#net_metering_customers@2024", "label": "Net-metered customers", "locator": "core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table)", "maturity": "final", "method": "derived", "metric": "net_metering_customers", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-net-metering", "unit": "count", "value": 8008.0 }, { "basis": "EIA-861 net metering schedule; export to the utility, not customer generation", "coverage": { "blank_cells_excluded": 20, "eligible": 1, "included": 0, "unit": "reporting utilities" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/distributed#net_metering_sold_to_utility_mwh@2024", "label": "Energy sold back to the utility by net-metered customers", "locator": "core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table)", "maturity": "final", "method": "derived", "metric": "net_metering_sold_to_utility_mwh", "missing_reason": "not_reported", "note": "1 of 1 reporting utilities have no value for this metric", "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "missing", "source_ref": "pudl-net-metering", "unit": "MWh", "value": null }, { "basis": "EIA-861 storage technology classes (storage_pv, storage_nonpv, all_storage); power rating, kept separate from generation capacity", "coverage": { "blank_cells_excluded": 6, "eligible": 1, "included": 1, "unit": "reporting utilities" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/distributed#distributed_storage_capacity_mw@2024", "label": "Distributed storage capacity", "locator": "core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table)", "maturity": "final", "method": "derived", "metric": "distributed_storage_capacity_mw", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-net-metering", "unit": "MW", "value": 2.1220000000000003 }, { "basis": "EIA-861 storage technology classes; usable energy as reported", "coverage": { "blank_cells_excluded": 8, "eligible": 1, "included": 0, "unit": "reporting utilities" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/distributed#distributed_storage_energy_mwh@2024", "label": "Distributed storage energy capacity", "locator": "core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table)", "maturity": "final", "method": "derived", "metric": "distributed_storage_energy_mwh", "missing_reason": "not_reported", "note": "1 of 1 reporting utilities have no value for this metric", "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "missing", "source_ref": "pudl-net-metering", "unit": "MWh", "value": null } ], "note": "Utility-reported, no locations, not in the EIA-860 plant inventory (>= 1 MW). Storage is listed separately and never added to generation capacity. Non-net-metered units >= 1 MW can also appear in EIA-860; the overlap is disclosed, not resolved. Source rollup rows are excluded from every sum.", "scope_sentence": "Distributed generation reported by this utility to EIA-861 for 2024, by state" }, "distribution_screening": null, "entity_type": "M", "entity_type_label": "Municipally-owned utility", "facts": [ { "basis": "Sum of operating generator nameplate MW at plants where this organization is the reported operator", "coverage": { "eligible": 7, "included": 7, "plants_with_partial_capacity": 0, "unit": "plants" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868#operated_nameplate_mw_op@2024", "label": "Operated nameplate capacity, operating generators", "locator": "out_eia__yearly_utilities.parquet; report_date=2024-01-01; utility_id_eia=16868", "maturity": "final", "method": "derived", "metric": "operated_nameplate_mw_op", "missing_reason": null, "note": "Reported operating capacity; partial plant/unit coverage is marked", "period": { "kind": "inventory_year", "note": "EIA-860 annual inventory; status as of the end of the reporting year", "report_date": "2024-01-01", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-generators", "unit": "MW", "value": 2046.2 }, { "basis": "Sum over operating generators of nameplate MW x this organization's ownership fraction (reported schedule or EIA-860 schedule-4 default)", "coverage": { "eligible": 6, "included": 6, "unit": "plants" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868#owned_nameplate_mw_op@2024", "label": "Owned nameplate capacity, operating generators", "locator": "out_eia__yearly_utilities.parquet; report_date=2024-01-01; utility_id_eia=16868", "maturity": "final", "method": "derived", "metric": "owned_nameplate_mw_op", "missing_reason": null, "note": null, "period": { "kind": "inventory_year", "note": "EIA-860 annual inventory; status as of the end of the reporting year", "report_date": "2024-01-01", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-ownership", "unit": "MW", "value": 2046.2 } ], "id": "org:eia:16868", "money": { "available": false, "checked": [ "pudl-assn-ferc1-utilities" ], "note": "FERC Form 1: not a respondent (public power, cooperative, federal or non-utility); checked PUDL v2026.9.0 respondent list 2026-09-18", "reason": "not_a_respondent" }, "name": "Seattle City Light", "obligations": { "available": true, "checked": "2026-09-27", "coverage": { "assertions": 9, "kinds_present": [ "filed_achievement", "target" ], "programs": 2, "review_due": 0 }, "note": "Five kinds kept apart: what applies, what is owed, what the utility filed, what the issuing body decided, and the open proceeding. The disclosed-supply block above is the same utility's fuel mix as Commerce computed it; read it beside these rows, never as a verdict on them. Rows checked through 2026-09-27; a row past its review date is marked, not removed.", "programs": [ { "applicability": { "as_of": null, "assertion_id": null, "basis": null, "curation": null, "docket": null, "document": null, "evidence": null, "fact": null, "issuer": null, "kind": "applicability", "locator": null, "method": "curated", "metric": null, "missing_reason": "not_yet_included", "next_step": null, "next_step_date": null, "note": "The atlas has not curated an assertion of this kind for this utility; this is the atlas's coverage, not the utility's record, and it is not a finding of compliance or of its absence", "participation_url": null, "percent_decimals": null, "period": { "kind": "none" }, "source_publisher": null, "source_ref": "clean-energy-obligations", "source_url": null, "standing": null, "statement": "no curated applicability for this utility under Clean Energy Transformation Act", "unit": null, "value": null }, "applicability_all": [], "applicability_rows": 0, "comparisons": [], "deciding_events": [ { "as_of": null, "assertion_id": null, "basis": null, "curation": null, "docket": null, "document": null, "evidence": null, "fact": null, "issuer": null, "kind": "deciding_event", "locator": null, "method": "curated", "metric": null, "missing_reason": "not_yet_included", "next_step": null, "next_step_date": null, "note": "The atlas has not curated an assertion of this kind for this utility; this is the atlas's coverage, not the utility's record, and it is not a finding of compliance or of its absence", "participation_url": null, "percent_decimals": null, "period": { "kind": "none" }, "source_publisher": null, "source_ref": "clean-energy-obligations", "source_url": null, "standing": null, "statement": "no curated deciding event for this utility under Clean Energy Transformation Act", "unit": null, "value": null } ], "determinations": [ { "as_of": null, "assertion_id": null, "basis": null, "curation": null, "docket": null, "document": null, "evidence": null, "fact": null, "issuer": null, "kind": "determination", "locator": null, "method": "curated", "metric": null, "missing_reason": "not_yet_included", "next_step": null, "next_step_date": null, "note": "The atlas has not curated an assertion of this kind for this utility; this is the atlas's coverage, not the utility's record, and it is not a finding of compliance or of its absence", "participation_url": null, "percent_decimals": null, "period": { "kind": "none" }, "source_publisher": null, "source_ref": "clean-energy-obligations", "source_url": null, "standing": null, "statement": "no curated determination for this utility under Clean Energy Transformation Act", "unit": null, "value": null } ], "filed_achievements": [ { "as_of": null, "assertion_id": null, "basis": null, "curation": null, "docket": null, "document": null, "evidence": null, "fact": null, "issuer": null, "kind": "filed_achievement", "locator": null, "method": "curated", "metric": null, "missing_reason": "not_yet_included", "next_step": null, "next_step_date": null, "note": "The atlas has not curated an assertion of this kind for this utility; this is the atlas's coverage, not the utility's record, and it is not a finding of compliance or of its absence", "participation_url": null, "percent_decimals": null, "period": { "kind": "none" }, "source_publisher": null, "source_ref": "clean-energy-obligations", "source_url": null, "standing": null, "statement": "no curated filed achievement for this utility under Clean Energy Transformation Act", "unit": null, "value": null } ], "instrument": "Clean energy implementation plan every four years (RCW 19.405.060) with interim targets; coal out of the allocation by 2025-12-31, greenhouse gas neutral retail sales from 2030-01-01, 100 percent renewable or nonemitting by 2045-01-01", "issuing_body": "Washington State Department of Commerce (plan adopted by the utility's governing board)", "kinds_checked_absent": [], "kinds_present": [ "target" ], "name": "Clean Energy Transformation Act", "program_id": "ceta", "review_due": 0, "statute": "RCW 19.405", "statute_url": "https://app.leg.wa.gov/RCW/default.aspx?cite=19.405", "targets": [ { "as_of": "2022-12-15", "assertion_id": "ceta-16868-target-clean-share-of-retail-load-2022-2025", "basis": "of retail electric load", "curation": { "checked": "2026-09-18", "review_after": "2026-12-31", "review_due": false, "reviewer": "claude-4b4" }, "docket": null, "document": "CEIP Draft Aggregate Workbook 22.12.15.xlsx, sheet Interim targets", "evidence": "reported", "fact": { "basis": "of retail electric load", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/obligation/ceta-16868-target-clean-share-of-retail-load-2022-2025#policy_target_share", "label": "interim target for the 2022-2025 compliance period", "locator": "ceta-16868-target-clean-share-of-retail-load-2022-2025; CEIP Draft Aggregate Workbook 22.12.15.xlsx, sheet Interim targets", "maturity": "final", "method": "curated", "metric": "policy_target_share", "missing_reason": null, "note": "Annual interim targets 2022 97, 2023 97.2, 2024 97.2, 2025 97 percent. The utility reported a combined total only, with no renewable and nonemitting split. Utility Number in the Commerce workbook is the EIA utility identifier.", "period": { "as_of": "2022-12-15", "end_year": 2025, "kind": "obligation_period", "label": "2022-2025", "start_year": 2022 }, "precision": 1, "quality": "valid", "source_ref": "clean-energy-obligations", "unit": "percent", "value": 97.0 }, "issuer": "Washington State Department of Commerce", "kind": "target", "locator": null, "method": "curated", "metric": "clean_share_of_retail_load", "missing_reason": null, "next_step": null, "next_step_date": null, "note": "Annual interim targets 2022 97, 2023 97.2, 2024 97.2, 2025 97 percent. The utility reported a combined total only, with no renewable and nonemitting split. Utility Number in the Commerce workbook is the EIA utility identifier.", "participation_url": null, "percent_decimals": null, "period": { "as_of": "2022-12-15", "end_year": 2025, "kind": "obligation_period", "label": "2022-2025", "start_year": 2022 }, "source_publisher": "Washington State Department of Commerce", "source_ref": "clean-energy-obligations", "source_url": "https://deptofcommerce.app.box.com/index.php?rm=box_download_shared_file&shared_name=o94co7f5uq7qyjqu26rlx5u0q45mugu4&file_id=f_1167733598455", "standing": "compiled", "state": "WA", "statement": "interim target for the 2022-2025 compliance period", "unit": "percent", "value": 97.0 }, { "as_of": "2019-05-07", "assertion_id": "ceta-wa-target-coal-share-of-allocation-2025", "basis": "of the utility's allocation of electricity supplied by coal-fired resources", "curation": { "checked": "2026-09-18", "review_after": "2027-07-01", "review_due": false, "reviewer": "claude-4b4" }, "docket": null, "document": "RCW 19.405.030 Coal-fired resources - Depreciation schedule - Penalties", "evidence": "reported", "fact": { "basis": "of the utility's allocation of electricity supplied by coal-fired resources", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/obligation/ceta-wa-target-coal-share-of-allocation-2025#policy_target_share", "label": "eliminate coal-fired resources from the utility's allocation of electricity", "locator": "ceta-wa-target-coal-share-of-allocation-2025; RCW 19.405.030 Coal-fired resources - Depreciation schedule - Penalties", "maturity": "final", "method": "curated", "metric": "policy_target_share", "missing_reason": null, "note": "On or before December 31, 2025. Excludes decommissioning and remediation costs; long-term BPA purchases are exempt unless the electricity is known to be coal-fired. The commission must set depreciation schedules ending no later than 2025-12-31.", "period": { "as_of": "2019-05-07", "end_year": 2025, "kind": "obligation_period", "label": "2025", "start_year": 2025 }, "precision": 1, "quality": "valid", "source_ref": "clean-energy-obligations", "unit": "percent", "value": 0.0 }, "issuer": "Washington State Legislature", "kind": "target", "locator": null, "method": "curated", "metric": "coal_share_of_allocation", "missing_reason": null, "next_step": null, "next_step_date": null, "note": "On or before December 31, 2025. Excludes decommissioning and remediation costs; long-term BPA purchases are exempt unless the electricity is known to be coal-fired. The commission must set depreciation schedules ending no later than 2025-12-31.", "participation_url": null, "percent_decimals": null, "period": { "as_of": "2019-05-07", "end_year": 2025, "kind": "obligation_period", "label": "2025", "start_year": 2025 }, "source_publisher": "Washington State Legislature", "source_ref": "clean-energy-obligations", "source_url": "https://app.leg.wa.gov/RCW/default.aspx?cite=19.405.030", "standing": "enacted", "state": "WA", "statement": "eliminate coal-fired resources from the utility's allocation of electricity", "unit": "percent", "value": 0.0 }, { "as_of": "2019-05-07", "assertion_id": "ceta-wa-target-clean-share-of-retail-sales-2030", "basis": "of retail sales of electricity to Washington retail electric customers", "curation": { "checked": "2026-09-18", "review_after": "2027-07-01", "review_due": false, "reviewer": "claude-4b4" }, "docket": null, "document": "RCW 19.405.040 Greenhouse gas neutral electricity supply", "evidence": "reported", "fact": { "basis": "of retail sales of electricity to Washington retail electric customers", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/obligation/ceta-wa-target-clean-share-of-retail-sales-2030#policy_target_share", "label": "greenhouse gas neutral retail sales, at least 80 percent from renewable and nonemitting resources", "locator": "ceta-wa-target-clean-share-of-retail-sales-2030; RCW 19.405.040 Greenhouse gas neutral electricity supply", "maturity": "final", "method": "curated", "metric": "policy_target_share", "missing_reason": null, "note": "By January 1, 2030. Up to 20 percent of the obligation may be met by alternative compliance: alternative compliance payments, unbundled renewable energy credits or energy transformation projects. Four-year compliance periods 2030-2033, 2034-2037, 2038-2041 and 2042-2044.", "period": { "as_of": "2019-05-07", "end_year": 2030, "kind": "obligation_period", "label": "2030", "start_year": 2030 }, "precision": 1, "quality": "valid", "source_ref": "clean-energy-obligations", "unit": "percent", "value": 80.0 }, "issuer": "Washington State Legislature", "kind": "target", "locator": null, "method": "curated", "metric": "clean_share_of_retail_sales", "missing_reason": null, "next_step": null, "next_step_date": null, "note": "By January 1, 2030. Up to 20 percent of the obligation may be met by alternative compliance: alternative compliance payments, unbundled renewable energy credits or energy transformation projects. Four-year compliance periods 2030-2033, 2034-2037, 2038-2041 and 2042-2044.", "participation_url": null, "percent_decimals": null, "period": { "as_of": "2019-05-07", "end_year": 2030, "kind": "obligation_period", "label": "2030", "start_year": 2030 }, "source_publisher": "Washington State Legislature", "source_ref": "clean-energy-obligations", "source_url": "https://app.leg.wa.gov/RCW/default.aspx?cite=19.405.040", "standing": "enacted", "state": "WA", "statement": "greenhouse gas neutral retail sales, at least 80 percent from renewable and nonemitting resources", "unit": "percent", "value": 80.0 }, { "as_of": "2019-05-07", "assertion_id": "ceta-wa-target-clean-share-of-retail-sales-2045", "basis": "of retail sales of electricity to Washington retail electric customers", "curation": { "checked": "2026-09-18", "review_after": "2027-07-01", "review_due": false, "reviewer": "claude-4b4" }, "docket": null, "document": "RCW 19.405.050 One hundred percent renewable and nonemitting electricity supply", "evidence": "reported", "fact": { "basis": "of retail sales of electricity to Washington retail electric customers", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/obligation/ceta-wa-target-clean-share-of-retail-sales-2045#policy_target_share", "label": "nonemitting generation and renewable resources supply 100 percent of retail sales", "locator": "ceta-wa-target-clean-share-of-retail-sales-2045; RCW 19.405.050 One hundred percent renewable and nonemitting electricity supply", "maturity": "final", "method": "curated", "metric": "policy_target_share", "missing_reason": null, "note": "By January 1, 2045, with an annual demonstration of compliance after that date.", "period": { "as_of": "2019-05-07", "end_year": 2045, "kind": "obligation_period", "label": "2045", "start_year": 2045 }, "precision": 1, "quality": "valid", "source_ref": "clean-energy-obligations", "unit": "percent", "value": 100.0 }, "issuer": "Washington State Legislature", "kind": "target", "locator": null, "method": "curated", "metric": "clean_share_of_retail_sales", "missing_reason": null, "next_step": null, "next_step_date": null, "note": "By January 1, 2045, with an annual demonstration of compliance after that date.", "participation_url": null, "percent_decimals": null, "period": { "as_of": "2019-05-07", "end_year": 2045, "kind": "obligation_period", "label": "2045", "start_year": 2045 }, "source_publisher": "Washington State Legislature", "source_ref": "clean-energy-obligations", "source_url": "https://app.leg.wa.gov/RCW/default.aspx?cite=19.405.050", "standing": "enacted", "state": "WA", "statement": "nonemitting generation and renewable resources supply 100 percent of retail sales", "unit": "percent", "value": 100.0 } ], "uncertainties": [ { "anchor": "docs/research/2026-09-18-policy-sources.md#3-bodies-and-decisions-43", "id": "utc-endpoint", "resolution": "The document endpoint served every filing read on 2026-09-19 and 2026-09-21; it remains undocumented.", "status": "resolved", "text": "No documented JSON API; the `apiproxy` host answered HTTP 500.30 all session and detail pages said \"Record not found\"." }, { "anchor": "docs/research/2026-09-18-policy-sources.md#3-bodies-and-decisions-43", "id": "utc-pre-2024", "resolution": null, "status": "open", "text": "Docket files before 2024 are not available. We are working to resolve the issue." }, { "anchor": "docs/research/2026-09-18-policy-sources.md#23-ceip-filings--consumer-owned-commerce", "id": "cou-ceips-ongoing", "resolution": null, "status": "open", "text": "The collection of 2026-2029 CEIPs … are still ongoing." } ] }, { "applicability": { "as_of": null, "assertion_id": null, "basis": null, "curation": null, "docket": null, "document": null, "evidence": null, "fact": null, "issuer": null, "kind": "applicability", "locator": null, "method": "curated", "metric": null, "missing_reason": "not_yet_included", "next_step": null, "next_step_date": null, "note": "The atlas has not curated an assertion of this kind for this utility; this is the atlas's coverage, not the utility's record, and it is not a finding of compliance or of its absence", "participation_url": null, "percent_decimals": null, "period": { "kind": "none" }, "source_publisher": null, "source_ref": "clean-energy-obligations", "source_url": null, "standing": null, "statement": "no curated applicability for this utility under Energy Independence Act (Initiative 937)", "unit": null, "value": null }, "applicability_all": [], "applicability_rows": 0, "comparisons": [ { "aggregate": "state-WA", "id": "wa-eia-conservation-2024-2025", "title": "Energy Independence Act conservation, 2024–2025" } ], "deciding_events": [ { "as_of": null, "assertion_id": null, "basis": null, "curation": null, "docket": null, "document": null, "evidence": null, "fact": null, "issuer": null, "kind": "deciding_event", "locator": null, "method": "curated", "metric": null, "missing_reason": "not_yet_included", "next_step": null, "next_step_date": null, "note": "The atlas has not curated an assertion of this kind for this utility; this is the atlas's coverage, not the utility's record, and it is not a finding of compliance or of its absence", "participation_url": null, "percent_decimals": null, "period": { "kind": "none" }, "source_publisher": null, "source_ref": "clean-energy-obligations", "source_url": null, "standing": null, "statement": "no curated deciding event for this utility under Energy Independence Act (Initiative 937)", "unit": null, "value": null } ], "determinations": [ { "as_of": null, "assertion_id": null, "basis": null, "curation": null, "docket": null, "document": null, "evidence": null, "fact": null, "issuer": null, "kind": "determination", "locator": null, "method": "curated", "metric": null, "missing_reason": "not_yet_included", "next_step": null, "next_step_date": null, "note": "The atlas has not curated an assertion of this kind for this utility; this is the atlas's coverage, not the utility's record, and it is not a finding of compliance or of its absence", "participation_url": null, "percent_decimals": null, "period": { "kind": "none" }, "source_publisher": null, "source_ref": "clean-energy-obligations", "source_url": null, "standing": null, "statement": "no curated determination for this utility under Energy Independence Act (Initiative 937)", "unit": null, "value": null } ], "filed_achievements": [ { "as_of": "2026-06-01", "assertion_id": "eia-16868-filed_achievement-conservation-mwh-2024", "basis": null, "curation": { "checked": "2026-09-27", "review_after": "2027-07-01", "review_due": false, "reviewer": "claude-w55" }, "docket": null, "document": "EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility", "evidence": "reported", "fact": { "basis": "What the utility itself reported for the period in MWh; 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Commerce formats it as a percent to one decimal.", "period": { "as_of": "2026-06-01", "end_year": 2025, "kind": "obligation_period", "label": "2024-2025", "start_year": 2024 }, "precision": 6, "quality": "valid", "source_ref": "clean-energy-obligations", "unit": "fraction", "value": 0.008931 }, "issuer": "Washington State Department of Commerce", "kind": "filed_achievement", "locator": "cell G18", "method": "curated", "metric": "conservation_share_of_retail_load", "missing_reason": null, "next_step": null, "next_step_date": null, "note": "Commerce's column G formula, (2024 acquired + 2025 acquired) / the biennial period's two load years on sheet Select Data (columns C and D); the cell's value, not recomputed. Commerce formats it as a percent to one decimal.", "participation_url": null, "percent_decimals": 1, "period": { "as_of": "2026-06-01", "end_year": 2025, "kind": "obligation_period", "label": "2024-2025", "start_year": 2024 }, "source_publisher": "Washington State Department of Commerce", "source_ref": "clean-energy-obligations", "source_url": "https://deptofcommerce.app.box.com/index.php?rm=box_download_shared_file&shared_name=y27oz4btzu41qjzorjijhy44xquuoa1u&file_id=f_2394988863865", "standing": "compiled", "state": "WA", "statement": "2024-2025 conservation acquired as a share of retail load, as Commerce computed it", "unit": "fraction", "value": 0.008931 }, { "as_of": "2026-06-01", "assertion_id": "eia-16868-filed_achievement-conservation-share-of-target-2024-2025", "basis": "of the 2024-2025 conservation target in Commerce's column B", "curation": { "checked": "2026-09-27", "review_after": "2027-07-01", "review_due": false, "reviewer": "claude-w55" }, "docket": null, "document": "EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility", "evidence": "reported", "fact": { "basis": "of the 2024-2025 conservation target in Commerce's column B", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/obligation/eia-16868-filed_achievement-conservation-share-of-target-2024-2025#policy_filed_share", "label": "total conservation savings as a share of the 2024-2025 target, as Commerce computed it", "locator": "eia-16868-filed_achievement-conservation-share-of-target-2024-2025; EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility; cell F18", "maturity": "final", "method": "curated", "metric": "policy_filed_share", "missing_reason": null, "note": "Commerce's column F formula, (2024 acquired + 2025 acquired + excess from the prior two bienniums) / 2024-2025 target; the cell's value, not recomputed. Commerce formats it as a whole percent.", "period": { "as_of": "2026-06-01", "end_year": 2025, "kind": "obligation_period", "label": "2024-2025", "start_year": 2024 }, "precision": 6, "quality": "valid", "source_ref": "clean-energy-obligations", "unit": "fraction", "value": 1.216413 }, "issuer": "Washington State Department of Commerce", "kind": "filed_achievement", "locator": "cell F18", "method": "curated", "metric": "conservation_share_of_target", "missing_reason": null, "next_step": null, "next_step_date": null, "note": "Commerce's column F formula, (2024 acquired + 2025 acquired + excess from the prior two bienniums) / 2024-2025 target; the cell's value, not recomputed. Commerce formats it as a whole percent.", "participation_url": null, "percent_decimals": 0, "period": { "as_of": "2026-06-01", "end_year": 2025, "kind": "obligation_period", "label": "2024-2025", "start_year": 2024 }, "source_publisher": "Washington State Department of Commerce", "source_ref": "clean-energy-obligations", "source_url": "https://deptofcommerce.app.box.com/index.php?rm=box_download_shared_file&shared_name=y27oz4btzu41qjzorjijhy44xquuoa1u&file_id=f_2394988863865", "standing": "compiled", "state": "WA", "statement": "total conservation savings as a share of the 2024-2025 target, as Commerce computed it", "unit": "fraction", "value": 1.216413 }, { "as_of": "2026-06-01", "assertion_id": "eia-16868-filed_achievement-excess-conservation-mwh-2024-2025", "basis": null, "curation": { "checked": "2026-09-27", "review_after": "2027-07-01", "review_due": false, "reviewer": "claude-w55" }, "docket": null, "document": "EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility", "evidence": "reported", "fact": { "basis": "What the utility itself reported for the period in MWh; 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the utility's account, not the issuing body's finding", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/obligation/eia-16868-filed_achievement-conservation-mwh-2025#policy_filed_mwh", "label": "conservation acquired in 2025", "locator": "eia-16868-filed_achievement-conservation-mwh-2025; EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility; cell D18", "maturity": "final", "method": "curated", "metric": "policy_filed_mwh", "missing_reason": null, "note": "Counts toward the 2024-2025 biennial target.", "period": { "as_of": "2026-06-01", "end_year": 2025, "kind": "obligation_period", "label": "2025", "start_year": 2025 }, "precision": 0, "quality": "valid", "source_ref": "clean-energy-obligations", "unit": "MWh", "value": 87521.0 }, "issuer": "Washington State Department of Commerce", "kind": "filed_achievement", "locator": "cell D18", "method": "curated", "metric": "conservation_mwh", "missing_reason": null, "next_step": null, "next_step_date": null, "note": "Counts toward the 2024-2025 biennial target.", "participation_url": null, "percent_decimals": null, "period": { "as_of": "2026-06-01", "end_year": 2025, "kind": "obligation_period", "label": "2025", "start_year": 2025 }, "source_publisher": "Washington State Department of Commerce", "source_ref": "clean-energy-obligations", "source_url": "https://deptofcommerce.app.box.com/index.php?rm=box_download_shared_file&shared_name=y27oz4btzu41qjzorjijhy44xquuoa1u&file_id=f_2394988863865", "standing": "compiled", "state": "WA", "statement": "conservation acquired in 2025", "unit": "MWh", "value": 87521.0 }, { "as_of": "2026-09-18", "assertion_id": "eia-16868-filed_achievement-qualifying-renewables-mwh-2026", "basis": null, "curation": { "checked": "2026-09-18", "review_after": "2027-07-01", "review_due": false, "reviewer": "claude-4b4" }, "docket": null, "document": "EIA 2026 Report Summary and Detail.xlsx, sheet Renewable by Utility", "evidence": "reported", "fact": { "basis": "What the utility itself reported for the period in MWh; the utility's account, not the issuing body's finding", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/obligation/eia-16868-filed_achievement-qualifying-renewables-mwh-2026#policy_filed_mwh", "label": "qualifying renewable resources acquired for 2026", "locator": "eia-16868-filed_achievement-qualifying-renewables-mwh-2026; EIA 2026 Report Summary and Detail.xlsx, sheet Renewable by Utility", "maturity": "final", "method": "curated", "metric": "policy_filed_mwh", "missing_reason": null, "note": "Equal to 0.15 of average load 2024-2025; 2025 qualifying renewables were 1348540 MWh. Incremental cost of eligible renewables as a share of revenue requirement 0.005754. SB 5445 (2025-26) allows accelerated conservation and demand response toward the renewable target; Seattle City Light used 249,370 MWh of demand response.", "period": { "as_of": "2026-09-18", "end_year": 2026, "kind": "obligation_period", "label": "2026", "start_year": 2026 }, "precision": 0, "quality": "valid", "source_ref": "clean-energy-obligations", "unit": "MWh", "value": 1345968.0 }, "issuer": "Washington State Department of Commerce", "kind": "filed_achievement", "locator": null, "method": "curated", "metric": "qualifying_renewables_mwh", "missing_reason": null, "next_step": null, "next_step_date": null, "note": "Equal to 0.15 of average load 2024-2025; 2025 qualifying renewables were 1348540 MWh. Incremental cost of eligible renewables as a share of revenue requirement 0.005754. SB 5445 (2025-26) allows accelerated conservation and demand response toward the renewable target; Seattle City Light used 249,370 MWh of demand response.", "participation_url": null, "percent_decimals": null, "period": { "as_of": "2026-09-18", "end_year": 2026, "kind": "obligation_period", "label": "2026", "start_year": 2026 }, "source_publisher": "Washington State Department of Commerce", "source_ref": "clean-energy-obligations", "source_url": "https://deptofcommerce.app.box.com/index.php?rm=box_download_shared_file&shared_name=y27oz4btzu41qjzorjijhy44xquuoa1u&file_id=f_2394988863865", "standing": "compiled", "state": "WA", "statement": "qualifying renewable resources acquired for 2026", "unit": "MWh", "value": 1345968.0 } ], "instrument": "Biennial conservation acquisition target and an annual eligible-renewable target (15 percent of load from 2020) for utilities serving more than 25,000 Washington customers", "issuing_body": "the utility's governing board, examined by the Washington State Auditor", "kinds_checked_absent": [], "kinds_present": [ "filed_achievement", "target" ], "name": "Energy Independence Act (Initiative 937)", "program_id": "eia", "review_due": 0, "statute": "RCW 19.285", "statute_url": "https://app.leg.wa.gov/RCW/default.aspx?cite=19.285", "targets": [ { "as_of": "2006-11-07", "assertion_id": "eia-wa-target-renewable-share-of-load-2020", "basis": "of the qualifying utility's load", "curation": { "checked": "2026-09-21", "review_after": "2027-07-01", "review_due": false, "reviewer": "claude-w14" }, "docket": null, "document": "RCW 19.285.040 Energy conservation and renewable energy targets", "evidence": "reported", "fact": { "basis": "of the qualifying utility's load", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/obligation/eia-wa-target-renewable-share-of-load-2020#policy_target_share", "label": "eligible renewable resources or renewable energy credits, or a combination, equal to at least 15 percent of load each year from 2020", "locator": "eia-wa-target-renewable-share-of-load-2020; RCW 19.285.040 Energy conservation and renewable energy targets; (2)(a)(iii)", "maturity": "final", "method": "curated", "metric": "policy_target_share", "missing_reason": null, "note": "\"At least 15 percent of its load by January 1, 2020, and each year thereafter\" (2)(a)(iii), after 3 percent (2012-2015) and 9 percent (2016-2019). Initiative 937, approved 2006-11-07 (2007 c 1). Subsection (2) also provides alternative compliance paths (accelerated conservation and demand response; the four percent incremental-cost cap), so a utility can comply below 15 percent, as Clark Public Utilities does.", "period": { "as_of": "2006-11-07", "end_year": null, "kind": "obligation_period", "label": "2020-", "start_year": 2020 }, "precision": 1, "quality": "valid", "source_ref": "clean-energy-obligations", "unit": "percent", "value": 15.0 }, "issuer": "Washington State Legislature", "kind": "target", "locator": "(2)(a)(iii)", "method": "curated", "metric": "renewable_share_of_load", "missing_reason": null, "next_step": null, "next_step_date": null, "note": "\"At least 15 percent of its load by January 1, 2020, and each year thereafter\" (2)(a)(iii), after 3 percent (2012-2015) and 9 percent (2016-2019). Initiative 937, approved 2006-11-07 (2007 c 1). Subsection (2) also provides alternative compliance paths (accelerated conservation and demand response; the four percent incremental-cost cap), so a utility can comply below 15 percent, as Clark Public Utilities does.", "participation_url": null, "percent_decimals": null, "period": { "as_of": "2006-11-07", "end_year": null, "kind": "obligation_period", "label": "2020-", "start_year": 2020 }, "source_publisher": "Washington State Legislature", "source_ref": "clean-energy-obligations", "source_url": "https://app.leg.wa.gov/RCW/default.aspx?cite=19.285.040", "standing": "enacted", "state": "WA", "statement": "eligible renewable resources or renewable energy credits, or a combination, equal to at least 15 percent of load each year from 2020", "unit": "percent", "value": 15.0 }, { "as_of": "2026-06-01", "assertion_id": "eia-16868-target-conservation-mwh-2024-2025", "basis": null, "curation": { "checked": "2026-09-27", "review_after": "2027-07-01", "review_due": false, "reviewer": "claude-w55" }, "docket": null, "document": "EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility", "evidence": "reported", "fact": { "basis": "A target in MWh as the statute, order or filing states it (conservation acquisition, eligible renewables); standing on the item says who set it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/obligation/eia-16868-target-conservation-mwh-2024-2025#policy_target_mwh", "label": "biennial conservation acquisition target for 2024-2025", "locator": "eia-16868-target-conservation-mwh-2024-2025; EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility; cell B18", "maturity": "final", "method": "curated", "metric": "policy_target_mwh", "missing_reason": null, "note": "Biennium 2024-2025. Prior biennium 2022-2023 target 164162.4 MWh; change from the 2022-2023 target -0.039488.", "period": { "as_of": "2026-06-01", "end_year": 2025, "kind": "obligation_period", "label": "2024-2025", "start_year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "clean-energy-obligations", "unit": "MWh", "value": 157680.0 }, "issuer": "Washington State Department of Commerce", "kind": "target", "locator": "cell B18", "method": "curated", "metric": "conservation_mwh", "missing_reason": null, "next_step": null, "next_step_date": null, "note": "Biennium 2024-2025. Prior biennium 2022-2023 target 164162.4 MWh; change from the 2022-2023 target -0.039488.", "participation_url": null, "percent_decimals": null, "period": { "as_of": "2026-06-01", "end_year": 2025, "kind": "obligation_period", "label": "2024-2025", "start_year": 2024 }, "source_publisher": "Washington State Department of Commerce", "source_ref": "clean-energy-obligations", "source_url": "https://deptofcommerce.app.box.com/index.php?rm=box_download_shared_file&shared_name=y27oz4btzu41qjzorjijhy44xquuoa1u&file_id=f_2394988863865", "standing": "compiled", "state": "WA", "statement": "biennial conservation acquisition target for 2024-2025", "unit": "MWh", "value": 157680.0 }, { "as_of": "2026-09-18", "assertion_id": "eia-16868-target-renewable-share-of-load-2026", "basis": "of average load 2024-2025", "curation": { "checked": "2026-09-18", "review_after": "2027-07-01", "review_due": false, "reviewer": "claude-4b4" }, "docket": null, "document": "EIA 2026 Report Summary and Detail.xlsx, sheet Renewable by Utility", "evidence": "reported", "fact": { "basis": "of average load 2024-2025", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/obligation/eia-16868-target-renewable-share-of-load-2026#policy_target_share", "label": "renewable energy target for 2026", "locator": "eia-16868-target-renewable-share-of-load-2026; EIA 2026 Report Summary and Detail.xlsx, sheet Renewable by Utility", "maturity": "final", "method": "curated", "metric": "policy_target_share", "missing_reason": null, "note": "Average load 2024-2025 8973113 MWh. SB 5445 (2025-26) allows accelerated conservation and demand response toward the renewable target; Seattle City Light used 249,370 MWh of demand response.", "period": { "as_of": "2026-09-18", "end_year": 2026, "kind": "obligation_period", "label": "2026", "start_year": 2026 }, "precision": 6, "quality": "valid", "source_ref": "clean-energy-obligations", "unit": "fraction", "value": 0.15 }, "issuer": "Washington State Department of Commerce", "kind": "target", "locator": null, "method": "curated", "metric": "renewable_share_of_load", "missing_reason": null, "next_step": null, "next_step_date": null, "note": "Average load 2024-2025 8973113 MWh. SB 5445 (2025-26) allows accelerated conservation and demand response toward the renewable target; Seattle City Light used 249,370 MWh of demand response.", "participation_url": null, "percent_decimals": null, "period": { "as_of": "2026-09-18", "end_year": 2026, "kind": "obligation_period", "label": "2026", "start_year": 2026 }, "source_publisher": "Washington State Department of Commerce", "source_ref": "clean-energy-obligations", "source_url": "https://deptofcommerce.app.box.com/index.php?rm=box_download_shared_file&shared_name=y27oz4btzu41qjzorjijhy44xquuoa1u&file_id=f_2394988863865", "standing": "compiled", "state": "WA", "statement": "renewable energy target for 2026", "unit": "fraction", "value": 0.15 } ], "uncertainties": [ { "anchor": "docs/research/2026-09-18-policy-sources.md#21-obligations-statute-text", "id": "sao-count", "resolution": null, "status": "open", "text": "SAO says it examines \"13 qualifying utilities\" for EIA and \"39 qualifying utilities\" for CETA — the count difference (18 vs 13) is unexplained; cooperatives are audited independently." }, { "anchor": "docs/research/2026-09-18-policy-sources.md#21-obligations-statute-text", "id": "biennial-2026", "resolution": null, "status": "open", "text": "After June 12, 2026, utilities will shift from annual reporting on EIA compliance progress to biennial reporting." }, { "anchor": "docs/research/2026-09-18-policy-sources.md#24-eia-compliance-summaries", "id": "sao-findings", "resolution": null, "status": "open", "text": "PDFs; findings are the legal compliance determinations for COUs." } ] } ], "rules": [ "A fuel-mix value is not a compliance verdict: the disclosed-supply block reports what a utility sold by category as Commerce computed it; compliance is what the issuing body decides on the utility's filing, and that decision is a determination row here.", "A filing that restates a target does not enact it: only rows with standing enacted or ordered are the obligation; standing filed, proposed or compiled is the utility's or an agency's expression of it." ], "source_ref": "clean-energy-obligations" }, "operates": [ { "id": "plant:eia:6433", "name": "Boundary Dam", "nameplate_mw_op": 1159.7, "state": "WA" }, { "id": "plant:eia:6202", "name": "Ross Dam", "nameplate_mw_op": 450.0, "state": "WA" }, { "id": "plant:eia:6431", "name": "Gorge Dam", "nameplate_mw_op": 207.3, "state": "WA" }, { "id": "plant:eia:6432", "name": "Diablo Dam", "nameplate_mw_op": 182.4, "state": "WA" }, { "id": "plant:eia:6430", "name": "Cedar Falls (WA)", "nameplate_mw_op": 30.0, "state": "WA" }, { "id": "plant:eia:622", "name": "South Fork Tolt", "nameplate_mw_op": 16.8, "state": "WA" }, { "id": "plant:eia:9842", "name": "Newhalem", "nameplate_mw_op": 0.0, "state": "WA" } ], "oregon_supply": { "available": false, "note": "Not an electricity supplier in DEQ's Oregon workbook (2010–2024 loaded), or not linked by the reviewed supplier crosswalk", "reason": "not_a_supplier" }, "owns": [ { "bases": [ "eia860_schedule4_default" ], "generators": 6, "id": "plant:eia:6433", "name": "Boundary Dam", "owned_mw": 1159.7, "state": "WA" }, { "bases": [ "eia860_schedule4_default" ], "generators": 4, "id": "plant:eia:6202", "name": "Ross Dam", "owned_mw": 450.0, "state": "WA" }, { "bases": [ "eia860_schedule4_default" ], "generators": 4, "id": "plant:eia:6431", "name": "Gorge Dam", "owned_mw": 207.3, "state": "WA" }, { "bases": [ "eia860_schedule4_default" ], "generators": 4, "id": "plant:eia:6432", "name": "Diablo Dam", "owned_mw": 182.4, "state": "WA" }, { "bases": [ "eia860_schedule4_default" ], "generators": 2, "id": "plant:eia:6430", "name": "Cedar Falls (WA)", "owned_mw": 30.0, "state": "WA" }, { "bases": [ "eia860_schedule4_default" ], "generators": 1, "id": "plant:eia:622", "name": "South Fork Tolt", "owned_mw": 16.8, "state": "WA" } ], "programmes": { "coverage": { "bucket": false, "demand_response": { "classes_filed": [], "comparison_year_reason": "no_source_row", "short_form_years": [], "states": [], "years_filed": [], "years_listed_without_values": [], "years_without_row": [ 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 ] }, "energy_efficiency": { "classes_filed": [ "commercial", "industrial", "residential", "total", "transportation" ], "comparison_year_reason": null, "short_form_years": [], "states": [ "WA" ], "years_filed": [ 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 ], "years_listed_without_values": [], "years_without_row": [] }, "long_form_respondent": true, "note": "Population: organizations of this release with EIA-861 rows in the core states. A short-form respondent has no figures to file; a long-form respondent without a row may have no programmes or may have a nonutility administrator reporting for it. Years without a row are listed against the table's span, not against the years this utility filed the form.", "short_form_respondent": false, "table_years": [ 2013, 2024 ], "year": 2024 }, "demand_response": { "available": false, "form_part": "EIA-861 Schedule 6 Part B", "note": "Filed the long Form EIA-861 for 2024 with no demand response row on Schedule 6. A respondent with no programmes leaves the part blank, and a utility whose programmes a listed nonutility administrator runs (Energy Trust of Oregon for Oregon's investor-owned utilities) does not report them; the administrator files under its own id. The data does not say which applies.", "programme": "demand_response", "reason": "no_source_row", "rows": [], "source_ref": "pudl-eia861-demand-response" }, "energy_efficiency": { "available": true, "form_part": "EIA-861 Schedule 6 Part A", "metric_definitions": { "customer_incentives_incremental_cost": { "basis": "reported", "form_line": "5-8", "horizon": "reporting_year", "label": "Customer incentives, reporting-year incremental cost (nominal)", "unit": "USD" }, "customer_incentives_incremental_life_cycle_cost": { "basis": "reported", "form_line": "5-8", "horizon": "life_cycle", "label": "Customer incentives, incremental life-cycle cost (nominal)", "unit": "USD" }, "customer_other_costs_incremental_life_cycle_cost": { "basis": "reported", "form_line": "5-8", "horizon": "life_cycle", "label": "Other costs, incremental life-cycle (nominal)", "unit": "USD" }, "incremental_energy_savings_mwh": { "basis": "reported", "form_line": "1", "horizon": "reporting_year", "label": "Incremental annual energy savings, reporting year (annualized)", "unit": "MWh" }, "incremental_life_cycle_energy_savings_mwh": { "basis": "reported", "form_line": "3", "horizon": "life_cycle", "label": "Incremental life-cycle energy savings (lump sum over the programmes' life)", "unit": "MWh" }, "incremental_life_cycle_peak_reduction_mw": { "basis": "reported", "form_line": "4", "horizon": "life_cycle", "label": "Incremental life-cycle peak demand savings (average annual over the programmes' life)", "unit": "MW" }, "incremental_peak_reduction_mw": { "basis": "reported", "form_line": "2", "horizon": "reporting_year", "label": "Incremental annual peak demand savings, reporting year", "unit": "MW" }, "other_costs_incremental_cost": { "basis": "reported", "form_line": "5-8", "horizon": "reporting_year", "label": "Other costs, reporting-year incremental (nominal)", "unit": "USD" }, "weighted_average_life_years": { "basis": "reported", "form_line": "10", "horizon": "portfolio", "label": "Weighted average life of the energy-efficiency portfolio", "unit": "years" } }, "note": "Reported by the utility on EIA-861 Schedule 6 Part A as adjusted gross savings at the customer meter under its own evaluation; figures are not comparable across utilities. Reporting-year incremental savings are annualized for participants new that year; life-cycle savings run over the programmes' planned life (energy as a lump sum, peak as the average annual reduction). Each class is shown as filed and the total row is the filer's own; nothing is summed here. Costs are nominal dollars of the report year (the form collects thousands; PUDL publishes dollars). A blank stays blank.", "programme": "energy_efficiency", "rows": [ { "ba_code": "SCL", "customer_class": "commercial", "evidence": "reported", "filed": true, "maturity": "final", "metrics": { "customer_incentives_incremental_cost": { "missing_reason": null, "unit": "USD", "value": 8528000.0 }, "customer_incentives_incremental_life_cycle_cost": { "missing_reason": null, "unit": "USD", "value": 102333000.0 }, "customer_other_costs_incremental_life_cycle_cost": { "missing_reason": null, "unit": "USD", "value": 98323000.0 }, "incremental_energy_savings_mwh": { "missing_reason": null, "unit": "MWh", "value": 45747.0 }, "incremental_life_cycle_energy_savings_mwh": { "missing_reason": null, "unit": "MWh", "value": 548959.0 }, "incremental_life_cycle_peak_reduction_mw": { "missing_reason": "not_reported", "unit": "MW", "value": null }, "incremental_peak_reduction_mw": { "missing_reason": "not_reported", "unit": "MW", "value": null }, "other_costs_incremental_cost": { "missing_reason": null, "unit": "USD", "value": 8194000.0 }, "weighted_average_life_years": { "missing_reason": null, "unit": "years", "value": 12.0 } }, "reported_total": false, "short_form": null, "state": "WA", "year": 2013 }, { "ba_code": "SCL", "customer_class": "industrial", "evidence": "reported", "filed": true, "maturity": "final", "metrics": { "customer_incentives_incremental_cost": { "missing_reason": null, "unit": "USD", "value": 2564000.0 }, "customer_incentives_incremental_life_cycle_cost": { "missing_reason": null, "unit": "USD", "value": 25643000.0 }, "customer_other_costs_incremental_life_cycle_cost": { "missing_reason": null, "unit": "USD", "value": 11858000.0 }, "incremental_energy_savings_mwh": { "missing_reason": null, "unit": "MWh", "value": 10247.0 }, "incremental_life_cycle_energy_savings_mwh": { "missing_reason": null, "unit": "MWh", "value": 102467.0 }, "incremental_life_cycle_peak_reduction_mw": { "missing_reason": "not_reported", "unit": "MW", "value": null }, "incremental_peak_reduction_mw": { "missing_reason": "not_reported", "unit": "MW", "value": null }, "other_costs_incremental_cost": { "missing_reason": null, "unit": "USD", "value": 1186000.0 }, "weighted_average_life_years": { "missing_reason": null, "unit": "years", "value": 10.0 } }, "reported_total": false, "short_form": null, "state": "WA", "year": 2013 }, { "ba_code": "SCL", "customer_class": "residential", "evidence": "reported", "filed": true, "maturity": "final", "metrics": { "customer_incentives_incremental_cost": { "missing_reason": null, "unit": "USD", "value": 9980000.0 }, "customer_incentives_incremental_life_cycle_cost": { "missing_reason": null, "unit": "USD", "value": 66996000.0 }, "customer_other_costs_incremental_life_cycle_cost": { "missing_reason": null, "unit": "USD", "value": 58030000.0 }, "incremental_energy_savings_mwh": { "missing_reason": null, "unit": "MWh", "value": 82166.0 }, "incremental_life_cycle_energy_savings_mwh": { "missing_reason": null, "unit": 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null, "unit": "MWh", "value": 71100.226 }, "incremental_life_cycle_energy_savings_mwh": { "missing_reason": null, "unit": "MWh", "value": 757282.249 }, "incremental_life_cycle_peak_reduction_mw": { "missing_reason": null, "unit": "MW", "value": 10.487 }, "incremental_peak_reduction_mw": { "missing_reason": null, "unit": "MW", "value": 12.919 }, "other_costs_incremental_cost": { "missing_reason": null, "unit": "USD", "value": 20311418.0 } }, "reported_total": true, "short_form": null, "state": "WA", "year": 2024 } ], "source_ref": "pudl-eia861-energy-efficiency", "years": [ 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 ] }, "note": "Programme results as each utility filed them, by customer class and report year, each in its own unit. Classes are never added into a total, years are never added into a period, and savings are never divided by sales. The one ratio shown, enrolled demand-response customers against the utility's own EIA-861 customer count for the same state, class and year, carries both counts.", "source_refs": [ "pudl-eia861-energy-efficiency" ], "year": 2024 }, "published_lines": null, "release_id": "20260929T050546Z-51ae0f7d3c78", "reliability": { "available": true, "by_state": [ { "facts": [ { "basis": "EIA-861 Schedule 3 Part B line 3 or Part C line 10, Including Major Event Days: customer-minutes of sustained interruption over the report year divided by customers served, as the utility calculates and reports it for the stated state under the stated method", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/reliability/ieee_standard#saidi_with_med@2024", "label": "SAIDI, major event days included", "locator": "core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard", "maturity": "final", "method": "direct", "metric": "saidi_with_med", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-reliability", "unit": "minutes/customer/year", "value": 323.6 }, { "basis": "EIA-861 Schedule 3 Part B line 3 or Part C line 10, Excluding Major Event Days: as above with the days the utility classed as major events left out; Part B respondents determine those days under IEEE 1366, Part C respondents under their own method", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/reliability/ieee_standard#saidi_without_med@2024", "label": "SAIDI, major event days excluded", "locator": "core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard", "maturity": "final", "method": "direct", "metric": "saidi_without_med", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-reliability", "unit": "minutes/customer/year", "value": 110.8 }, { "basis": "EIA-861 Schedule 3 Part B line 4: SAIDI including major event days but excluding events initiated by a loss of supply from the high-voltage system. Part B (IEEE 1366) only; Part C has no such line", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/reliability/ieee_standard#saidi_with_med_less_supply@2024", "label": "SAIDI, major event days included, loss of supply removed", "locator": "core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard", "maturity": "final", "method": "direct", "metric": "saidi_with_med_less_supply", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-reliability", "unit": "minutes/customer/year", "value": 323.6 }, { "basis": "EIA-861 Schedule 3 Part B line 5 or Part C line 11, Including Major Event Days: customers interrupted over the report year divided by customers served, as the utility calculates and reports it for the stated state under the stated method", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/reliability/ieee_standard#saifi_with_med@2024", "label": "SAIFI, major event days included", "locator": "core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard", "maturity": "final", "method": "direct", "metric": "saifi_with_med", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 2, "quality": "valid", "source_ref": "pudl-reliability", "unit": "interruptions/customer/year", "value": 1.119 }, { "basis": "EIA-861 Schedule 3 Part B line 5 or Part C line 11, Excluding Major Event Days", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/reliability/ieee_standard#saifi_without_med@2024", "label": "SAIFI, major event days excluded", "locator": "core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard", "maturity": "final", "method": "direct", "metric": "saifi_without_med", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 2, "quality": "valid", "source_ref": "pudl-reliability", "unit": "interruptions/customer/year", "value": 0.761 }, { "basis": "EIA-861 Schedule 3 Part B line 6: SAIFI including major event days but excluding events initiated by a loss of supply from the high-voltage system. Part B (IEEE 1366) only", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/reliability/ieee_standard#saifi_with_med_less_supply@2024", "label": "SAIFI, major event days included, loss of supply removed", "locator": "core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard", "maturity": "final", "method": "direct", "metric": "saifi_with_med_less_supply", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 2, "quality": "valid", "source_ref": "pudl-reliability", "unit": "interruptions/customer/year", "value": 1.119 }, { "basis": "Published by EIA with the Schedule 3 data as SAIDI divided by SAIFI on the same basis; the form asks the utility for SAIDI and SAIFI only. Shown as published, never recomputed here", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/reliability/ieee_standard#caidi_with_med@2024", "label": "CAIDI, major event days included", "locator": "core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard", "maturity": "final", "method": "direct", "metric": "caidi_with_med", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-reliability", "unit": "minutes/interruption", "value": 289.18677 }, { "basis": "Published by EIA with the Schedule 3 data as SAIDI divided by SAIFI, both excluding major event days; not a line on the form. Shown as published, never recomputed here", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/reliability/ieee_standard#caidi_without_med@2024", "label": "CAIDI, major event days excluded", "locator": "core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard", "maturity": "final", "method": "direct", "metric": "caidi_without_med", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-reliability", "unit": "minutes/interruption", "value": 145.5979 }, { "basis": "Published by EIA with the Schedule 3 Part B data as SAIDI divided by SAIFI, both with loss-of-supply events removed; not a line on the form. Shown as published, never recomputed here", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/reliability/ieee_standard#caidi_with_med_less_supply@2024", "label": "CAIDI, major event days included, loss of supply removed", "locator": "core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard", "maturity": "final", "method": "direct", "metric": "caidi_with_med_less_supply", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-reliability", "unit": "minutes/interruption", "value": 289.18677 }, { "basis": "EIA-861 Schedule 3 Part B line 7 or Part C line 12: total number of customers used to calculate SAIDI and SAIFI on this schedule. Under IEEE 1366 a customer is a metered service point with an active account; under another method the utility says whether inactive accounts are included. Not the retail customer count of Schedule 4", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/reliability/ieee_standard#reliability_customers@2024", "label": "Customers the indices are based on", "locator": "core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard", "maturity": "final", "method": "direct", "metric": "reliability_customers", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-reliability", "unit": "count", "value": 537470.0 }, { "basis": "EIA-861 Schedule 3 Part B line 8 or Part C line 15: the highest voltage the utility considers part of its distribution system rather than the supply system; it sets which outages count as loss of supply", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/reliability/ieee_standard#reliability_distribution_voltage_kv@2024", "label": "Highest voltage counted as distribution", "locator": "core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard", "maturity": "final", "method": "direct", "metric": "reliability_distribution_voltage_kv", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "pudl-reliability", "unit": "kV", "value": 34.0 } ], "form_part": "EIA-861 Schedule 3 Part B", "major_event_day_basis": "Determined under IEEE 1366-2003 or IEEE 1366-2012; the form does not record which edition", "method": { "inactive_accounts_included": null, "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": true }, "peer_groups": { "with_med": "aggregate:state-WA/reliability/ieee_standard/with_med", "without_med": "aggregate:state-WA/reliability/ieee_standard/without_med" }, "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA" } ], "history": [ { "caidi_with_med_less_supply_minutes": 115.45455, "caidi_with_med_minutes": 115.45455, "caidi_without_med_minutes": 76.666667, "customers": 409619.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 26.0, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": true, "saidi_with_med_less_supply_minutes": 127.0, "saidi_with_med_minutes": 127.0, "saidi_without_med_minutes": 69.0, "saifi_with_med_interruptions": 1.1, "saifi_with_med_less_supply_interruptions": 1.1, "saifi_without_med_interruptions": 0.9, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2013 }, { "caidi_with_med_less_supply_minutes": 99.72973, "caidi_with_med_minutes": 99.72973, "caidi_without_med_minutes": 77.640449, "customers": 425815.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 26.4, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": false, "saidi_with_med_less_supply_minutes": 147.6, "saidi_with_med_minutes": 147.6, "saidi_without_med_minutes": 69.1, "saifi_with_med_interruptions": 1.48, "saifi_with_med_less_supply_interruptions": 1.48, "saifi_without_med_interruptions": 0.89, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2014 }, { "caidi_with_med_less_supply_minutes": 277.56061, "caidi_with_med_minutes": 277.56061, "caidi_without_med_minutes": 125.0, "customers": 437194.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 26.4, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": false, "saidi_with_med_less_supply_minutes": 183.19, "saidi_with_med_minutes": 183.19, "saidi_without_med_minutes": 62.5, "saifi_with_med_interruptions": 0.66, "saifi_with_med_less_supply_interruptions": 0.66, "saifi_without_med_interruptions": 0.5, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2015 }, { "caidi_with_med_less_supply_minutes": 175.63218, "caidi_with_med_minutes": 175.63218, "caidi_without_med_minutes": 121.8, "customers": 442330.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 34.0, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": false, "saidi_with_med_less_supply_minutes": 152.8, "saidi_with_med_minutes": 152.8, "saidi_without_med_minutes": 60.9, "saifi_with_med_interruptions": 0.87, "saifi_with_med_less_supply_interruptions": 0.87, "saifi_without_med_interruptions": 0.5, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2016 }, { "caidi_with_med_less_supply_minutes": 212.40506, "caidi_with_med_minutes": 212.40506, "caidi_without_med_minutes": 143.33333, "customers": 468522.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 34.0, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": false, "saidi_with_med_less_supply_minutes": 167.8, "saidi_with_med_minutes": 167.8, "saidi_without_med_minutes": 64.5, "saifi_with_med_interruptions": 0.79, "saifi_with_med_less_supply_interruptions": 0.79, "saifi_without_med_interruptions": 0.45, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2017 }, { "caidi_with_med_less_supply_minutes": 188.4507, "caidi_with_med_minutes": 188.4507, "caidi_without_med_minutes": 116.6, "customers": 475500.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 34.0, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": false, "saidi_with_med_less_supply_minutes": 133.8, "saidi_with_med_minutes": 133.8, "saidi_without_med_minutes": 58.3, "saifi_with_med_interruptions": 0.71, "saifi_with_med_less_supply_interruptions": 0.71, "saifi_without_med_interruptions": 0.5, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2018 }, { "caidi_with_med_less_supply_minutes": 216.9697, "caidi_with_med_minutes": 216.9697, "caidi_without_med_minutes": 153.46939, "customers": 488000.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 34.0, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": false, "saidi_with_med_less_supply_minutes": 179.0, "saidi_with_med_minutes": 179.0, "saidi_without_med_minutes": 75.2, "saifi_with_med_interruptions": 0.825, "saifi_with_med_less_supply_interruptions": 0.825, "saifi_without_med_interruptions": 0.49, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2019 }, { "caidi_with_med_less_supply_minutes": 144.72727, "caidi_with_med_minutes": 144.72727, "caidi_without_med_minutes": 136.93878, "customers": 492240.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 34.0, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": false, "saidi_with_med_less_supply_minutes": 79.6, "saidi_with_med_minutes": 79.6, "saidi_without_med_minutes": 67.1, "saifi_with_med_interruptions": 0.55, "saifi_with_med_less_supply_interruptions": 0.55, "saifi_without_med_interruptions": 0.49, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2020 }, { "caidi_with_med_less_supply_minutes": 272.0, "caidi_with_med_minutes": 272.0, "caidi_without_med_minutes": 161.66667, "customers": 498690.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 34.0, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": false, "saidi_with_med_less_supply_minutes": 244.8, "saidi_with_med_minutes": 244.8, "saidi_without_med_minutes": 106.7, "saifi_with_med_interruptions": 0.9, "saifi_with_med_less_supply_interruptions": 0.9, "saifi_without_med_interruptions": 0.66, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2021 }, { "caidi_with_med_less_supply_minutes": 182.36842, "caidi_with_med_minutes": 182.36842, "caidi_without_med_minutes": 160.63492, "customers": 509519.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 34.0, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": false, "saidi_with_med_less_supply_minutes": 138.6, "saidi_with_med_minutes": 138.6, "saidi_without_med_minutes": 101.2, "saifi_with_med_interruptions": 0.76, "saifi_with_med_less_supply_interruptions": 0.76, "saifi_without_med_interruptions": 0.63, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2022 }, { "caidi_with_med_less_supply_minutes": 160.03344, "caidi_with_med_minutes": 160.03344, "caidi_without_med_minutes": 160.03344, "customers": 519758.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 34.0, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": false, "saidi_with_med_less_supply_minutes": 95.7, "saidi_with_med_minutes": 95.7, "saidi_without_med_minutes": 95.7, "saifi_with_med_interruptions": 0.598, "saifi_with_med_less_supply_interruptions": 0.598, "saifi_without_med_interruptions": 0.598, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2023 } ], "note": "Reported by the utility on EIA-861 Schedule 3 under the method it declares. IEEE 1366 and other-method figures are not comparable, and values with and without major event days answer different questions. A system average says nothing about one address. CAIDI is published by EIA as SAIDI divided by SAIFI; it is not a line on the form. A value the utility left blank stays blank.", "rows": [ { "caidi_with_med_less_supply_minutes": 289.18677, "caidi_with_med_minutes": 289.18677, "caidi_without_med_minutes": 145.5979, "customers": 537470.0, "evidence": "reported", "form_part": "EIA-861 Schedule 3 Part B", "highest_distribution_voltage_kv": 34.0, "inactive_accounts_included": null, "maturity": "final", "momentary_interruption_definition": null, "momentary_interruption_label": null, "outages_recorded_automatically": true, "saidi_with_med_less_supply_minutes": 323.6, "saidi_with_med_minutes": 323.6, "saidi_without_med_minutes": 110.8, "saifi_with_med_interruptions": 1.119, "saifi_with_med_less_supply_interruptions": 1.119, "saifi_without_med_interruptions": 0.761, "source_ref": "pudl-reliability", "standard": "ieee_standard", "standard_label": "IEEE 1366", "state": "WA", "year": 2024 } ], "source_ref": "pudl-reliability", "year": 2024 }, "retail": { "available": true, "bundled_by_class": [ { "bas": [ "SCL" ], "customer_class": "commercial", "facts": [ { "basis": "EIA-861 electricity sold to ultimate customers for the stated utility, state, customer class and service type; calendar year", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/commercial#retail_sales_mwh@2024", "label": "Retail sales", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=commercial; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_sales_mwh", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "MWh", "value": 4954390.0 }, { "basis": "EIA-861 customer count for the stated utility, state, class and service type; year-end", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/commercial#retail_customers@2024", "label": "Retail customers", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=commercial; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_customers", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "count", "value": 52473.0 }, { "basis": "EIA-861 revenue from electricity sold; nominal dollars of the report year", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/commercial#retail_revenue_usd@2024", "label": "Retail revenue", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=commercial; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_revenue_usd", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "USD", "value": 583327900.0 }, { "basis": "revenue_usd / (sales_mwh x 10) over bundled (full-service) rows only; a realized average, not a tariff or marginal rate", "coverage": { "eligible": 1, "included": 1, "unit": "native rows with both revenue and sales" }, "denominator": { "metric": "retail_sales_mwh", "rows": 1, "unit": "MWh", "value": 4954390.0 }, "evidence": "reported", "fact_id": "org:eia:16868/WA/commercial#retail_price_cents_per_kwh@2024", "label": "Average revenue per kWh sold", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=commercial; business_model=retail; service_type=bundled", "maturity": "final", "method": "derived", "metric": "retail_price_cents_per_kwh", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 2, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "cents/kWh", "value": 11.77396006370108 } ], "state": "WA" }, { "bas": [ "SCL" ], "customer_class": "industrial", "facts": [ { "basis": "EIA-861 electricity sold to ultimate customers for the stated utility, state, customer class and service type; calendar year", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/industrial#retail_sales_mwh@2024", "label": "Retail sales", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=industrial; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_sales_mwh", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "MWh", "value": 693409.0 }, { "basis": "EIA-861 customer count for the stated utility, state, class and service type; year-end", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/industrial#retail_customers@2024", "label": "Retail customers", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=industrial; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_customers", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "count", "value": 58.0 }, { "basis": "EIA-861 revenue from electricity sold; nominal dollars of the report year", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/industrial#retail_revenue_usd@2024", "label": "Retail revenue", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=industrial; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_revenue_usd", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "USD", "value": 69995600.0 }, { "basis": "revenue_usd / (sales_mwh x 10) over bundled (full-service) rows only; a realized average, not a tariff or marginal rate", "coverage": { "eligible": 1, "included": 1, "unit": "native rows with both revenue and sales" }, "denominator": { "metric": "retail_sales_mwh", "rows": 1, "unit": "MWh", "value": 693409.0 }, "evidence": "reported", "fact_id": "org:eia:16868/WA/industrial#retail_price_cents_per_kwh@2024", "label": "Average revenue per kWh sold", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=industrial; business_model=retail; service_type=bundled", "maturity": "final", "method": "derived", "metric": "retail_price_cents_per_kwh", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 2, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "cents/kWh", "value": 10.094417580389063 } ], "state": "WA" }, { "bas": [ "SCL" ], "customer_class": "residential", "facts": [ { "basis": "EIA-861 electricity sold to ultimate customers for the stated utility, state, customer class and service type; calendar year", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/residential#retail_sales_mwh@2024", "label": "Retail sales", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=residential; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_sales_mwh", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "MWh", "value": 3317659.0 }, { "basis": "EIA-861 customer count for the stated utility, state, class and service type; year-end", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/residential#retail_customers@2024", "label": "Retail customers", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=residential; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_customers", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "count", "value": 459964.0 }, { "basis": "EIA-861 revenue from electricity sold; nominal dollars of the report year", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/residential#retail_revenue_usd@2024", "label": "Retail revenue", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=residential; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_revenue_usd", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "USD", "value": 467404300.0 }, { "basis": "revenue_usd / (sales_mwh x 10) over bundled (full-service) rows only; a realized average, not a tariff or marginal rate", "coverage": { "eligible": 1, "included": 1, "unit": "native rows with both revenue and sales" }, "denominator": { "metric": "retail_sales_mwh", "rows": 1, "unit": "MWh", "value": 3317659.0 }, "evidence": "reported", "fact_id": "org:eia:16868/WA/residential#retail_price_cents_per_kwh@2024", "label": "Average revenue per kWh sold", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=residential; business_model=retail; service_type=bundled", "maturity": "final", "method": "derived", "metric": "retail_price_cents_per_kwh", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 2, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "cents/kWh", "value": 14.088376774104873 } ], "state": "WA" }, { "bas": [ "SCL" ], "customer_class": "transportation", "facts": [ { "basis": "EIA-861 electricity sold to ultimate customers for the stated utility, state, customer class and service type; calendar year", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/transportation#retail_sales_mwh@2024", "label": "Retail sales", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=transportation; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_sales_mwh", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "MWh", "value": 76818.0 }, { "basis": "EIA-861 customer count for the stated utility, state, class and service type; year-end", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/transportation#retail_customers@2024", "label": "Retail customers", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=transportation; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_customers", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "count", "value": 3.0 }, { "basis": "EIA-861 revenue from electricity sold; nominal dollars of the report year", "coverage": { "eligible": 1, "included": 1, "unit": "native rows" }, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/WA/transportation#retail_revenue_usd@2024", "label": "Retail revenue", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=transportation; business_model=retail; service_type=bundled", "maturity": "final", "method": "direct", "metric": "retail_revenue_usd", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "USD", "value": 8705200.0 }, { "basis": "revenue_usd / (sales_mwh x 10) over bundled (full-service) rows only; a realized average, not a tariff or marginal rate", "coverage": { "eligible": 1, "included": 1, "unit": "native rows with both revenue and sales" }, "denominator": { "metric": "retail_sales_mwh", "rows": 1, "unit": "MWh", "value": 76818.0 }, "evidence": "reported", "fact_id": "org:eia:16868/WA/transportation#retail_price_cents_per_kwh@2024", "label": "Average revenue per kWh sold", "locator": "core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; customer_class=transportation; business_model=retail; service_type=bundled", "maturity": "final", "method": "derived", "metric": "retail_price_cents_per_kwh", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "year": 2024 }, "precision": 2, "quality": "valid", "source_ref": "pudl-retail-sales", "unit": "cents/kWh", "value": 11.332239839620922 } ], "state": "WA" } ], "filed_as": [], "note": "Sold to retail customers in the stated state (utility x state grain); bundled full-service rows only in the summaries; energy-only and delivery-only rows are listed but never added to bundled sales. Realized average revenue per kWh is not a tariff.", "rows": [ { "ba": "SCL", "business_model": "retail", "customer_class": "commercial", "customers": 52473, "evidence": "reported", "maturity": "final", "revenue_usd": 583327900.0, "sales_mwh": 4954390.0, "service_type": "bundled", "short_form": null, "source_ref": "pudl-retail-sales", "state": "WA" }, { "ba": "SCL", "business_model": "retail", "customer_class": "industrial", "customers": 58, "evidence": "reported", "maturity": "final", "revenue_usd": 69995600.0, "sales_mwh": 693409.0, "service_type": "bundled", "short_form": null, "source_ref": "pudl-retail-sales", "state": "WA" }, { "ba": "SCL", "business_model": "retail", "customer_class": "other", "customers": null, "evidence": "reported", "maturity": "final", "revenue_usd": null, "sales_mwh": null, "service_type": "bundled", "short_form": null, "source_ref": "pudl-retail-sales", "state": "WA" }, { "ba": "SCL", "business_model": "retail", "customer_class": "residential", "customers": 459964, "evidence": "reported", "maturity": "final", "revenue_usd": 467404300.0, "sales_mwh": 3317659.0, "service_type": "bundled", "short_form": null, "source_ref": "pudl-retail-sales", "state": "WA" }, { "ba": "SCL", "business_model": "retail", "customer_class": "transportation", "customers": 3, "evidence": "reported", "maturity": "final", "revenue_usd": 8705200.0, "sales_mwh": 76818.0, "service_type": "bundled", "short_form": null, "source_ref": "pudl-retail-sales", "state": "WA" } ], "short_form_respondent": false, "short_form_totals": [], "year": 2024 }, "roles": { "operator": true, "owner": true, "retail_seller": true }, "row_note": null, "schema_version": "1.41.0", "source_name": "City of Seattle - (WA)", "sources": [ "clean-energy-obligations", "curated-aliases", "pudl-eia861-energy-efficiency", "pudl-generators", "pudl-ownership", "pudl-reliability", "pudl-utilities", "supply-accounts" ], "state": "WA", "supply_account": { "available": true, "bill_trace": { "effective_date": "2026-01-01", "items": [ { "as_printed": "If BPA implements new rates for power and/or transmission services, the updated BPA contract cost under the new rates for the subsequent 12-month period shall be compared with the Department's cost assumption used in the adopted revenue requirement for the same time period. If the calculated difference is more than $1.5 million, then it will be deemed material and passed through in rates. Within three months after the BPA rate implementation, energy charges in all rate schedules will be adjusted upwards or downwards by a consistent fixed per-kWh amount such that the identified material cost difference, including taxes, is collected from or credited to customers over the subsequent 12-month period from the onset of the rate adjustment.", "component": "Automatic BPA cost adjustment", "component_locator": "SMC 21.49.081 Automatic BPA cost adjustment, printed where Ordinance 127473 Section 10 repeals it; PDF pp. 46-47", "locator": "SMC 21.49.081 Automatic BPA cost adjustment, printed where Ordinance 127473 Section 10 repeals it; PDF pp. 46-47", "missing_reason": null, "name": "Automatic BPA cost adjustment", "note": "In force until January 1, 2027, when Section 10 of Ordinance 127473 (passed 2026-07-21, approved 2026-07-22) repeals it (Section 15); the ordinance's recital moves BPA cost uncertainty into the expanded Rate Stabilization Account mechanism. A pass-through moves every per-kWh charge and has no line or price of its own: Ordinance 127122 records one effective 2024-01-01 that 'increased all per kWh charges by 0.12 cents per kWh' (recital, PDF p. 2), and the 2025 Financial Statements' unaudited rate notes say a 1.01% BPA passthrough 'is being applied to all retail energy charges beginning January 1, 2024' (page 93). The rates page prints no pass-through, and none is added to the computed bills", "price": null, "reviewer": "claude-w68", "source_url": "https://clerk.seattle.gov/~archives/Ordinances/Ord_127473.pdf", "step": "adjustment_clause", "trace_id": "scl-bill-bpa-cost-adjustment", "verified_on": "2026-09-28" }, { "as_printed": "Power: 42%", "component": null, "component_locator": null, "locator": "Residential Rates, What Your Rate Covers, chart below 'The average rate you pay is about 16 cents per kWh and this is where it goes' (where_rates_go.png), first of six segments", "missing_reason": null, "name": "Where the average rate goes", "note": "One segment for power, not split by supplier, of an average rate the page puts at about 16 cents per kWh, with no class or period stated: not BPA alone", "price": null, "reviewer": "claude-w68", "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "step": "stated_share", "trace_id": "scl-bill-power-share", "verified_on": "2026-09-28" }, { "as_printed": null, "component": null, "component_locator": null, "locator": "Residential Rates, Current Residential Rates and What Your Rate Covers", "missing_reason": "no_source", "name": "Share of a residential bill that pays for BPA power", "note": "Not stated in any document read: the residential rates page, SMC 21.49.030 as Ordinances 127122 and 127473 set it, and the 2025 Financial Statements. Note 20's BPA dollars (USD 163.4 million in 2025) are all of the utility's BPA purchases, not a residential class's, so no share of a residential bill is derived from them", "price": null, "reviewer": "claude-w68", "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "step": "share_absent", "trace_id": "scl-bill-bpa-share", "verified_on": "2026-09-28" } ], "note": "Where BPA's costs and benefits reach this utility's residential bill, in the utility's own documents: each clause that carries them into the sheet's charges, cited to the document that sets it, a price only where the utility prints one, and what no document states. The account's BPA dollars are never divided by revenue or sales to make a share of a bill.", "schedule": "2026 rates", "schedule_name": "Residential Service, flat rate", "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tariff_id": "scl-res-2026" }, "by_kind": { "above_rhwm": [ { "as_printed": null, "assertion_id": "scl-above-rhwm-fy2026", "basis": "The forecast load net of resources less the RHWM where that is positive, as the sheet computes it; zero means BPA forecast the RHWM covers the load", "column_label": "Above RHWM 2026", "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-10-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Final 2026 RHWM outputs", "evidence": "modeled", "fact": { "basis": "The forecast load net of resources less the RHWM where that is positive, as the sheet computes it; zero means BPA forecast the RHWM covers the load", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/supply/scl-above-rhwm-fy2026#supply_above_rhwm", "label": "Load BPA forecast above the RHWM, FY2026", "locator": "scl-above-rhwm-fy2026; Final 2026 RHWM outputs; AboveRHWMLoad!J106", "maturity": "final", "method": "direct", "metric": "supply_above_rhwm", "missing_reason": null, "note": null, "period": { "end": "2026-09-30", "kind": "bpa_fiscal_year", "label": "FY2026 (Oct 2025–Sep 2026)", "start": "2025-10-01" }, "precision": 3, "quality": "valid", "source_ref": "bpa-rhwm-fy2026-final", "unit": "MWa", "value": 0.0 }, "holder": null, "kind": "above_rhwm", "locator": "AboveRHWMLoad!J106", "method": "direct", "missing_reason": null, "note": null, "period": { "end": "2026-09-30", "kind": "bpa_fiscal_year", "label": "FY2026 (Oct 2025–Sep 2026)", "start": "2025-10-01" }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2024-10-01", "source_ref": "bpa-rhwm-fy2026-final", "source_url": "https://www.bpa.gov/-/media/Aep/rates-tariff/rhwm/FY-2026-2028-RHWM-Process-Material/10012024-final-2026-rhwm-outputs.xlsx", "statement": "Load BPA forecast above the RHWM, FY2026", "unit": "MWa", "unit_basis": "aMW: the RHWM sheet labels its resource column aMW (RHWM!M3) and forms this column from it by subtraction; the atlas writes aMW as MWa", "value": 0.0, "value_from": "cell", "value_text": null }, { "as_printed": null, "assertion_id": "scl-above-rhwm-fy2027", "basis": "The forecast load net of resources less the RHWM where that is positive, as the sheet computes it; zero means BPA forecast the RHWM covers the load", "column_label": "Above RHWM 2027", "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-10-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Final 2026 RHWM outputs", "evidence": "modeled", "fact": { "basis": "The forecast load net of resources less the RHWM where that is positive, as the sheet computes it; zero means BPA forecast the RHWM covers the load", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/supply/scl-above-rhwm-fy2027#supply_above_rhwm", "label": "Load BPA forecast above the RHWM, FY2027", "locator": "scl-above-rhwm-fy2027; 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the atlas writes aMW as MWa", "value": 0.0, "value_from": "cell", "value_text": null }, { "as_printed": null, "assertion_id": "scl-above-rhwm-fy2028", "basis": "The forecast load net of resources less the RHWM where that is positive, as the sheet computes it; zero means BPA forecast the RHWM covers the load", "column_label": "Above RHWM 2028", "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-10-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Final 2026 RHWM outputs", "evidence": "modeled", "fact": { "basis": "The forecast load net of resources less the RHWM where that is positive, as the sheet computes it; zero means BPA forecast the RHWM covers the load", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/supply/scl-above-rhwm-fy2028#supply_above_rhwm", "label": "Load BPA forecast above the RHWM, FY2028", "locator": "scl-above-rhwm-fy2028; 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the atlas writes aMW as MWa", "value": 3.439, "value_from": "cell", "value_text": null } ], "cdq": [ { "as_printed": null, "assertion_id": "scl-cdq-october", "basis": "A monthly demand amount in the Regional Dialogue contract as BPA revised the CDQs effective 2026-05-01 (Sheet1!D2); not a measured peak and not energy", "column_label": "October", "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Final CDQs (effective 2026-05-01)", "evidence": "reported", "fact": { "basis": "A monthly demand amount in the Regional Dialogue contract as BPA revised the CDQs effective 2026-05-01 (Sheet1!D2); not a measured peak and not energy", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-cdq-october#supply_cdq", "label": "Contract Demand Quantity, October", "locator": "scl-cdq-october; 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not a measured peak and not energy", "column_label": "December", "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Final CDQs (effective 2026-05-01)", "evidence": "reported", "fact": { "basis": "A monthly demand amount in the Regional Dialogue contract as BPA revised the CDQs effective 2026-05-01 (Sheet1!D2); not a measured peak and not energy", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-cdq-december#supply_cdq", "label": "Contract Demand Quantity, December", "locator": "scl-cdq-december; Final CDQs (effective 2026-05-01); Sheet1!F108", "maturity": "final", "method": "direct", "metric": "supply_cdq", "missing_reason": null, "note": null, "period": { "as_of": "2026-05-01", "end": "2026-05-01", "kind": "instant", "label": "2026-05-01", "start": "2026-05-01" }, "precision": 0, "quality": "valid", "source_ref": "bpa-cdq-20260501", "unit": "kW", "value": 163255.0 }, "holder": null, "kind": "cdq", "locator": "Sheet1!F108", "method": "direct", "missing_reason": null, "note": null, "period": { "as_of": "2026-05-01", "end": "2026-05-01", "kind": "instant", "label": "2026-05-01", "start": "2026-05-01" }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2026-05-01", "source_ref": "bpa-cdq-20260501", "source_url": "https://www.bpa.gov/-/media/Aep/power/regional-dialogue/20260501-final-cdqs.xlsx", "statement": "Contract Demand Quantity, December", "unit": "kW", "unit_basis": "Sheet1!D1: \"Final CDQs (kW)\"", "value": 163255.0, "value_from": "cell", "value_text": null }, { "as_printed": null, "assertion_id": "scl-cdq-january", "basis": "A monthly demand amount in the Regional Dialogue contract as BPA revised the CDQs effective 2026-05-01 (Sheet1!D2); 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not a measured peak and not energy", "column_label": "August", "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Final CDQs (effective 2026-05-01)", "evidence": "reported", "fact": { "basis": "A monthly demand amount in the Regional Dialogue contract as BPA revised the CDQs effective 2026-05-01 (Sheet1!D2); not a measured peak and not energy", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-cdq-august#supply_cdq", "label": "Contract Demand Quantity, August", "locator": "scl-cdq-august; Final CDQs (effective 2026-05-01); Sheet1!N108", "maturity": "final", "method": "direct", "metric": "supply_cdq", "missing_reason": null, "note": null, "period": { "as_of": "2026-05-01", "end": "2026-05-01", "kind": "instant", "label": "2026-05-01", "start": "2026-05-01" }, "precision": 0, "quality": "valid", "source_ref": "bpa-cdq-20260501", "unit": "kW", "value": 102818.0 }, "holder": null, "kind": "cdq", "locator": "Sheet1!N108", "method": "direct", "missing_reason": null, "note": null, "period": { "as_of": "2026-05-01", "end": "2026-05-01", "kind": "instant", "label": "2026-05-01", "start": "2026-05-01" }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2026-05-01", "source_ref": "bpa-cdq-20260501", "source_url": "https://www.bpa.gov/-/media/Aep/power/regional-dialogue/20260501-final-cdqs.xlsx", "statement": "Contract Demand Quantity, August", "unit": "kW", "unit_basis": "Sheet1!D1: \"Final CDQs (kW)\"", "value": 102818.0, "value_from": "cell", "value_text": null }, { "as_printed": null, "assertion_id": "scl-cdq-september", "basis": "A monthly demand amount in the Regional Dialogue contract as BPA revised the CDQs effective 2026-05-01 (Sheet1!D2); 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the atlas writes aMW as MWa", "value": 531.727, "value_from": "cell", "value_text": null }, { "as_printed": null, "assertion_id": "scl-chwm-poc-final", "basis": "BPA's one-time FY 2026 calculation from FY 2023 PF-eligible load and a base allowance of the 2024 RHWM, with its headroom, conservation, new-resource, load-growth and proportional-share adjustments (Calculation!I2:N2): the maximum the customer may buy at the Tier 1 rate over the Provider of Choice contract period, not a current delivery right", "column_label": "Provider of Choice CHWM", "component": null, "context": null, "contract": "provider_of_choice", "contract_label": "Provider of Choice", "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-09-30", "review_due": false, "reviewer": "claude-w68" }, "document": "Provider of Choice FY 2026 CHWM Calculation, final CHWMs", "evidence": "reported", "fact": { "basis": "BPA's one-time FY 2026 calculation from FY 2023 PF-eligible load and a base allowance of the 2024 RHWM, with its headroom, conservation, new-resource, load-growth and proportional-share adjustments (Calculation!I2:N2): the maximum the customer may buy at the Tier 1 rate over the Provider of Choice contract period, not a current delivery right", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-chwm-poc-final#supply_chwm", "label": "Provider of Choice Contract High Water Mark, final as published 2026-05-28", "locator": "scl-chwm-poc-final; Provider of Choice FY 2026 CHWM Calculation, final CHWMs; Calculation!O109", "maturity": "final", "method": "direct", "metric": "supply_chwm", "missing_reason": null, "note": "Final: BPA declined the one dispute filed (another customer's) on 2026-05-28 and will not revisit the FY 2026 calculation, though CHWMs may be adjusted in later rate periods under the contracts (CHWM Implementation Policy, 2025-08-14, pages 2-3). The period's end is the utility's: its 2026A official statement says the next Power Sales Agreement “will be in place from October 1, 2028 through September 30, 2044” (page B-28, PDF page 90)", "period": { "end": "2044-09-30", "kind": "contract_period", "label": "Oct 2028–Sep 2044", "start": "2028-10-01" }, "precision": 3, "quality": "valid", "source_ref": "bpa-poc-chwm-fy2026-final", "unit": "MWa", "value": 569.6171539938945 }, "holder": null, "kind": "chwm", "locator": "Calculation!O109", "method": "direct", "missing_reason": null, "note": "Final: BPA declined the one dispute filed (another customer's) on 2026-05-28 and will not revisit the FY 2026 calculation, though CHWMs may be adjusted in later rate periods under the contracts (CHWM Implementation Policy, 2025-08-14, pages 2-3). The period's end is the utility's: its 2026A official statement says the next Power Sales Agreement “will be in place from October 1, 2028 through September 30, 2044” (page B-28, PDF page 90)", "period": { "end": "2044-09-30", "kind": "contract_period", "label": "Oct 2028–Sep 2044", "start": "2028-10-01" }, "products_in_period": [ { "contract": "provider_of_choice", "contract_label": "Provider of Choice", "end": "2044-09-30", "label": "Oct 2028–Sep 2044", "product": "Slice/Block", "start": "2028-10-01" } ], "published": "2026-05-28", "source_ref": "bpa-poc-chwm-fy2026-final", "source_url": "https://www.bpa.gov/-/media/Aep/power/provider-of-choice/Implementation/20260528-poc-fy-2026-chwm-calculation-final-chwms.xlsx", "statement": "Provider of Choice Contract High Water Mark, final as published 2026-05-28", "unit": "MWa", "unit_basis": "Calculation!B5: \"Note: All data is in aMW\"; the atlas writes aMW as MWa", "value": 569.6171539938945, "value_from": "cell", "value_text": null } ], "disclosed_bpa_energy": [ { "as_printed": null, "assertion_id": "scl-fmd-bpa-2024", "basis": "Commerce's disclosure attribution of the utility's Washington retail sales to the BPA system mix, summed over fuel categories; not energy BPA delivered and not reconciled with BPA's figures or the utility's dollars", "column_label": null, "component": null, "context": { "label": "all disclosed Washington retail sales", "unit": "MWh", "value": 9416787.0 }, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-03-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Fuel Mix Disclosure CY2024, Utility Fuel Mix by Fuel Category extract (sheet Report Extract, run 2025-12-10)", "evidence": "reported", "fact": { "basis": "Commerce's disclosure attribution of the utility's Washington retail sales to the BPA system mix, summed over fuel categories; not energy BPA delivered and not reconciled with BPA's figures or the utility's dollars", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-fmd-bpa-2024#supply_disclosed_bpa_energy@2024", "label": "Washington retail sales Commerce attributes to BPA, CY2024", "locator": "scl-fmd-bpa-2024; Fuel Mix Disclosure CY2024, Utility Fuel Mix by Fuel Category extract (sheet Report Extract, run 2025-12-10); claimant_id=95", "maturity": "final", "method": "derived", "metric": "supply_disclosed_bpa_energy", "missing_reason": null, "note": null, "period": { "end": "2024-12-31", "kind": "calendar_year", "label": "CY2024", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "start": "2024-01-01", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "wa-fmd-2024-by-category", "unit": "MWh", "value": 4255280.0 }, "holder": null, "kind": "disclosed_bpa_energy", "locator": "claimant_id=95", "method": "derived", "missing_reason": null, "note": null, "period": { "end": "2024-12-31", "kind": "calendar_year", "label": "CY2024", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "start": "2024-01-01", "year": 2024 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": null, "source_ref": "wa-fmd-2024-by-category", "source_url": "https://deptofcommerce.app.box.com/index.php?rm=box_download_shared_file&shared_name=l9sqx4bcfnko3omrpk4tv8n0vbzcvsdz&file_id=f_2071208725637", "statement": "Washington retail sales Commerce attributes to BPA, CY2024", "unit": "MWh", "unit_basis": "The extract's Total BPA MWh and Total MWh columns", "value": 4255280.0, "value_from": "release", "value_text": null } ], "net_requirement": [ { "as_printed": null, "assertion_id": "scl-net-requirement-fy2026", "basis": "BPA's forecast in the RHWM process of 2024: the load it sets against the RHWM. A forecast, not a measurement, and not BPA's annual net-requirement determination", "column_label": "TRL - NLSL - Existing Resource 2026", "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-10-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Final 2026 RHWM outputs", "evidence": "modeled", "fact": { "basis": "BPA's forecast in the RHWM process of 2024: the load it sets against the RHWM. A forecast, not a measurement, and not BPA's annual net-requirement determination", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/supply/scl-net-requirement-fy2026#supply_net_requirement", "label": "Forecast total retail load less new large single loads and existing resources, FY2026", "locator": "scl-net-requirement-fy2026; Final 2026 RHWM outputs; RHWM!P106", "maturity": "final", "method": "direct", "metric": "supply_net_requirement", "missing_reason": null, "note": null, "period": { "end": "2026-09-30", "kind": "bpa_fiscal_year", "label": "FY2026 (Oct 2025–Sep 2026)", "start": "2025-10-01" }, "precision": 3, "quality": "valid", "source_ref": "bpa-rhwm-fy2026-final", "unit": "MWa", "value": 500.021 }, "holder": null, "kind": "net_requirement", "locator": "RHWM!P106", "method": "direct", "missing_reason": null, "note": null, "period": { "end": "2026-09-30", "kind": "bpa_fiscal_year", "label": "FY2026 (Oct 2025–Sep 2026)", "start": "2025-10-01" }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2024-10-01", "source_ref": "bpa-rhwm-fy2026-final", "source_url": "https://www.bpa.gov/-/media/Aep/rates-tariff/rhwm/FY-2026-2028-RHWM-Process-Material/10012024-final-2026-rhwm-outputs.xlsx", "statement": "Forecast total retail load less new large single loads and existing resources, FY2026", "unit": "MWa", "unit_basis": "aMW: the RHWM sheet labels its resource column aMW (RHWM!M3) and forms this column from it by subtraction; the atlas writes aMW as MWa", "value": 500.021, "value_from": "cell", "value_text": null }, { "as_printed": null, "assertion_id": "scl-net-requirement-fy2027", "basis": "BPA's forecast in the RHWM process of 2024: the load it sets against the RHWM. A forecast, not a measurement, and not BPA's annual net-requirement determination", "column_label": "TRL - NLSL - Existing Resource 2027", "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-10-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Final 2026 RHWM outputs", "evidence": "modeled", "fact": { "basis": "BPA's forecast in the RHWM process of 2024: the load it sets against the RHWM. A forecast, not a measurement, and not BPA's annual net-requirement determination", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/supply/scl-net-requirement-fy2027#supply_net_requirement", "label": "Forecast total retail load less new large single loads and existing resources, FY2027", "locator": "scl-net-requirement-fy2027; Final 2026 RHWM outputs; RHWM!Q106", "maturity": "final", "method": "direct", "metric": "supply_net_requirement", "missing_reason": null, "note": null, "period": { "end": "2027-09-30", "kind": "bpa_fiscal_year", "label": "FY2027 (Oct 2026–Sep 2027)", "start": "2026-10-01" }, "precision": 3, "quality": "valid", "source_ref": "bpa-rhwm-fy2026-final", "unit": "MWa", "value": 513.844 }, "holder": null, "kind": "net_requirement", "locator": "RHWM!Q106", "method": "direct", "missing_reason": null, "note": null, "period": { "end": "2027-09-30", "kind": "bpa_fiscal_year", "label": "FY2027 (Oct 2026–Sep 2027)", "start": "2026-10-01" }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2024-10-01", "source_ref": "bpa-rhwm-fy2026-final", "source_url": "https://www.bpa.gov/-/media/Aep/rates-tariff/rhwm/FY-2026-2028-RHWM-Process-Material/10012024-final-2026-rhwm-outputs.xlsx", "statement": "Forecast total retail load less new large single loads and existing resources, FY2027", "unit": "MWa", "unit_basis": "aMW: the RHWM sheet labels its resource column aMW (RHWM!M3) and forms this column from it by subtraction; the atlas writes aMW as MWa", "value": 513.844, "value_from": "cell", "value_text": null }, { "as_printed": null, "assertion_id": "scl-net-requirement-fy2028", "basis": "BPA's forecast in the RHWM process of 2024: the load it sets against the RHWM. A forecast, not a measurement, and not BPA's annual net-requirement determination", "column_label": "TRL - NLSL - Existing Resource 2028", "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-10-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Final 2026 RHWM outputs", "evidence": "modeled", "fact": { "basis": "BPA's forecast in the RHWM process of 2024: the load it sets against the RHWM. A forecast, not a measurement, and not BPA's annual net-requirement determination", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/supply/scl-net-requirement-fy2028#supply_net_requirement", "label": "Forecast total retail load less new large single loads and existing resources, FY2028", "locator": "scl-net-requirement-fy2028; Final 2026 RHWM outputs; RHWM!R106", "maturity": "final", "method": "direct", "metric": "supply_net_requirement", "missing_reason": null, "note": null, "period": { "end": "2028-09-30", "kind": "bpa_fiscal_year", "label": "FY2028 (Oct 2027–Sep 2028)", "start": "2027-10-01" }, "precision": 3, "quality": "valid", "source_ref": "bpa-rhwm-fy2026-final", "unit": "MWa", "value": 530.37 }, "holder": null, "kind": "net_requirement", "locator": "RHWM!R106", "method": "direct", "missing_reason": null, "note": null, "period": { "end": "2028-09-30", "kind": "bpa_fiscal_year", "label": "FY2028 (Oct 2027–Sep 2028)", "start": "2027-10-01" }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2024-10-01", "source_ref": "bpa-rhwm-fy2026-final", "source_url": "https://www.bpa.gov/-/media/Aep/rates-tariff/rhwm/FY-2026-2028-RHWM-Process-Material/10012024-final-2026-rhwm-outputs.xlsx", "statement": "Forecast total retail load less new large single loads and existing resources, FY2028", "unit": "MWa", "unit_basis": "aMW: the RHWM sheet labels its resource column aMW (RHWM!M3) and forms this column from it by subtraction; the atlas writes aMW as MWa", "value": 530.37, "value_from": "cell", "value_text": null } ], "purchase_cost": [ { "as_printed": "156.5", "assertion_id": "scl-bpa-purchases-2015", "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal, the subtotal of the note's Bonneville Block and Bonneville Slice rows printed above it", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal, the subtotal of the note's Bonneville Block and Bonneville Slice rows printed above it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2015#supply_purchase_cost@2015", "label": "Power purchased from BPA", "locator": "scl-bpa-purchases-2015; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Long-term purchase power—Bonneville, column Expense 2015, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2016 and 2015 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 68, PDF page 72). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2015; it is not netted against this figure", "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "USD", "value": 156500000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 18, table of long-term purchased power, row Long-term purchase power—Bonneville, column Expense 2015, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": "Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2016 and 2015 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 68, PDF page 72). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2015; it is not netted against this figure", "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Long-term purchase power—Bonneville", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 156500000.0, "value_from": "document", "value_text": null }, { "as_printed": "$ 78.7", "assertion_id": "scl-bpa-purchases-block-2015", "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Block", "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-block-2015#supply_purchase_cost@2015", "label": "Power purchased from BPA, Block component", "locator": "scl-bpa-purchases-block-2015; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Bonneville Block, column Expense 2015, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": null, "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "USD", "value": 78700000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 18, table of long-term purchased power, row Bonneville Block, column Expense 2015, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Bonneville Block", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 78700000.0, "value_from": "document", "value_text": null }, { "as_printed": "77.8", "assertion_id": "scl-bpa-purchases-slice-2015", "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Slice", "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-slice-2015#supply_purchase_cost@2015", "label": "Power purchased from BPA, Slice component", "locator": "scl-bpa-purchases-slice-2015; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Bonneville Slice, column Expense 2015, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": null, "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "USD", "value": 77800000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 18, table of long-term purchased power, row Bonneville Slice, column Expense 2015, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Bonneville Slice", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 77800000.0, "value_from": "document", "value_text": null }, { "as_printed": "160.7", "assertion_id": "scl-bpa-purchases-2016", "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal, the subtotal of the note's Bonneville Block and Bonneville Slice rows printed above it", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal, the subtotal of the note's Bonneville Block and Bonneville Slice rows printed above it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2016#supply_purchase_cost@2016", "label": "Power purchased from BPA", "locator": "scl-bpa-purchases-2016; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Long-term purchase power—Bonneville, column Expense 2016, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2016 and 2015 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 68, PDF page 72). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2016; it is not netted against this figure", "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "USD", "value": 160700000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 18, table of long-term purchased power, row Long-term purchase power—Bonneville, column Expense 2016, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": "Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2016 and 2015 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 68, PDF page 72). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2016; it is not netted against this figure", "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Long-term purchase power—Bonneville", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 160700000.0, "value_from": "document", "value_text": null }, { "as_printed": "$ 80.0", "assertion_id": "scl-bpa-purchases-block-2016", "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Block", "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-block-2016#supply_purchase_cost@2016", "label": "Power purchased from BPA, Block component", "locator": "scl-bpa-purchases-block-2016; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Bonneville Block, column Expense 2016, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "USD", "value": 80000000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 18, table of long-term purchased power, row Bonneville Block, column Expense 2016, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Bonneville Block", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 80000000.0, "value_from": "document", "value_text": null }, { "as_printed": "80.7", "assertion_id": "scl-bpa-purchases-slice-2016", "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Slice", "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-slice-2016#supply_purchase_cost@2016", "label": "Power purchased from BPA, Slice component", "locator": "scl-bpa-purchases-slice-2016; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Bonneville Slice, column Expense 2016, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "USD", "value": 80700000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 18, table of long-term purchased power, row Bonneville Slice, column Expense 2016, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Bonneville Slice", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 80700000.0, "value_from": "document", "value_text": null }, { "as_printed": "168.1", "assertion_id": "scl-bpa-purchases-2017", "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal, the subtotal of the note's Bonneville Block and Bonneville Slice rows printed above it", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": true, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2018 Financial Statements", "evidence": "reported", "fact": { "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal, the subtotal of the note's Bonneville Block and Bonneville Slice rows printed above it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2017#supply_purchase_cost@2017", "label": "Power purchased from BPA", "locator": "scl-bpa-purchases-2017; Seattle City Light 2018 Financial Statements; Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2017, page 74 (PDF page 78)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2018 and 2017 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 73, PDF page 77). Management's discussion (unaudited), 2017 against 2016: “Bonneville costs increased largely because of changing to Block power purchases only, effective October 2017, and thereby reducing Slice power purchases. A lower Bonneville Slice true-up credit also added to the higher Bonneville costs.” (page 16, PDF page 20). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2017; it is not netted against this figure; Spans the product change: Slice/Block Oct 2011–Sep 2017, Block Oct 2017–Sep 2028", "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "USD", "value": 168100000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2017, page 74 (PDF page 78)", "method": "curated", "missing_reason": null, "note": "Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2018 and 2017 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 73, PDF page 77). Management's discussion (unaudited), 2017 against 2016: “Bonneville costs increased largely because of changing to Block power purchases only, effective October 2017, and thereby reducing Slice power purchases. A lower Bonneville Slice true-up credit also added to the higher Bonneville costs.” (page 16, PDF page 20). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2017; it is not netted against this figure", "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" }, { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2019-05-20", "source_ref": "scl-financial-statements-2018", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2018-Financials.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2018 and 2017 were as follows: Long-term purchased power-Bonneville", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 168100000.0, "value_from": "document", "value_text": null }, { "as_printed": "$ 103.8", "assertion_id": "scl-bpa-purchases-block-2017", "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase to 2017-09-30 and the Block product from 2017-10-01: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Block", "context": null, "contract": null, "contract_label": null, "crosses_product_change": true, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2018 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase to 2017-09-30 and the Block product from 2017-10-01: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-block-2017#supply_purchase_cost@2017", "label": "Power purchased from BPA, Block component", "locator": "scl-bpa-purchases-block-2017; Seattle City Light 2018 Financial Statements; Note 19, table of long-term purchased power, row Bonneville Block, column Expense 2017, page 74 (PDF page 78)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "Spans the product change: Slice/Block Oct 2011–Sep 2017, Block Oct 2017–Sep 2028", "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "USD", "value": 103800000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 19, table of long-term purchased power, row Bonneville Block, column Expense 2017, page 74 (PDF page 78)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" }, { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2019-05-20", "source_ref": "scl-financial-statements-2018", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2018-Financials.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2018 and 2017 were as follows: Bonneville Block", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 103800000.0, "value_from": "document", "value_text": null }, { "as_printed": "64.3", "assertion_id": "scl-bpa-purchases-slice-2017", "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase, which ended 2017-09-30: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Slice", "context": null, "contract": null, "contract_label": null, "crosses_product_change": true, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2018 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase, which ended 2017-09-30: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-slice-2017#supply_purchase_cost@2017", "label": "Power purchased from BPA, Slice component", "locator": "scl-bpa-purchases-slice-2017; Seattle City Light 2018 Financial Statements; Note 19, table of long-term purchased power, row Bonneville Slice, column Expense 2017, page 74 (PDF page 78)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "Spans the product change: Slice/Block Oct 2011–Sep 2017, Block Oct 2017–Sep 2028", "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "USD", "value": 64300000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 19, table of long-term purchased power, row Bonneville Slice, column Expense 2017, page 74 (PDF page 78)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" }, { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2019-05-20", "source_ref": "scl-financial-statements-2018", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2018-Financials.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2018 and 2017 were as follows: Bonneville Slice", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 64300000.0, "value_from": "document", "value_text": null }, { "as_printed": "164.7", "assertion_id": "scl-bpa-purchases-2018", "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2018 Financial Statements", "evidence": "reported", "fact": { "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2018#supply_purchase_cost@2018", "label": "Power purchased from BPA", "locator": "scl-bpa-purchases-2018; Seattle City Light 2018 Financial Statements; Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2018, page 74 (PDF page 78)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "The note also prints a Bonneville Block row equal to this one and a Bonneville Slice row of “-” (Slice ended 2017-09-30); the Block row is not repeated here. Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2018 and 2017 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 73, PDF page 77). Management's discussion (unaudited), 2018 against 2017: “Bonneville costs decreased largely because of shifting to purchase only Block power effective October 2017, and thereby reducing Slice power purchases. A final higher Bonneville Slice true-up credit also added to the lower Bonneville costs.” (page 15, PDF page 19). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2018; it is not netted against this figure", "period": { "end": "2018-12-31", "kind": "calendar_year", "label": "CY2018", "period_end": "2019-01-01T00:00:00Z", "period_start": "2018-01-01T00:00:00Z", "start": "2018-01-01", "year": 2018 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "USD", "value": 164700000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2018, page 74 (PDF page 78)", "method": "curated", "missing_reason": null, "note": "The note also prints a Bonneville Block row equal to this one and a Bonneville Slice row of “-” (Slice ended 2017-09-30); the Block row is not repeated here. Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2018 and 2017 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 73, PDF page 77). Management's discussion (unaudited), 2018 against 2017: “Bonneville costs decreased largely because of shifting to purchase only Block power effective October 2017, and thereby reducing Slice power purchases. A final higher Bonneville Slice true-up credit also added to the lower Bonneville costs.” (page 15, PDF page 19). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2018; it is not netted against this figure", "period": { "end": "2018-12-31", "kind": "calendar_year", "label": "CY2018", "period_end": "2019-01-01T00:00:00Z", "period_start": "2018-01-01T00:00:00Z", "start": "2018-01-01", "year": 2018 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2019-05-20", "source_ref": "scl-financial-statements-2018", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2018-Financials.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2018 and 2017 were as follows: Long-term purchased power-Bonneville", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 164700000.0, "value_from": "document", "value_text": null }, { "as_printed": "$ 162.9", "assertion_id": "scl-bpa-purchases-2019", "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2021A Official Statement", "evidence": "reported", "fact": { "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2019#supply_purchase_cost@2019", "label": "Power purchased from BPA", "locator": "scl-bpa-purchases-2019; Seattle City Light 2021A Official Statement; Appendix C (2020 Audited Financial Statements), Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2019, page 78 (PDF page 286)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "Bonneville's Residential Exchange Program refunds, audited note: “The Department received the final billing credit of $4.3 million in 2019 related to the Block and Slice agreement.” (page 77, PDF page 285). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.4) for 2019; it is not netted against this figure", "period": { "end": "2019-12-31", "kind": "calendar_year", "label": "CY2019", "period_end": "2020-01-01T00:00:00Z", "period_start": "2019-01-01T00:00:00Z", "start": "2019-01-01", "year": 2019 }, "precision": 0, "quality": "valid", "source_ref": "scl-official-statement-2021a", "unit": "USD", "value": 162900000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Appendix C (2020 Audited Financial Statements), Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2019, page 78 (PDF page 286)", "method": "curated", "missing_reason": null, "note": "Bonneville's Residential Exchange Program refunds, audited note: “The Department received the final billing credit of $4.3 million in 2019 related to the Block and Slice agreement.” (page 77, PDF page 285). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.4) for 2019; it is not netted against this figure", "period": { "end": "2019-12-31", "kind": "calendar_year", "label": "CY2019", "period_end": "2020-01-01T00:00:00Z", "period_start": "2019-01-01T00:00:00Z", "start": "2019-01-01", "year": 2019 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2021-06-29", "source_ref": "scl-official-statement-2021a", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2021%20documents/seattle%20city%20light%202021a%20final%20os%20plus%20addendum.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2020 and 2019 were as follows: Long-term purchased power-Bonneville", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 162900000.0, "value_from": "document", "value_text": null }, { "as_printed": "$ 161.1", "assertion_id": "scl-bpa-purchases-2020", "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2021A Official Statement", "evidence": "reported", "fact": { "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2020#supply_purchase_cost@2020", "label": "Power purchased from BPA", "locator": "scl-bpa-purchases-2020; Seattle City Light 2021A Official Statement; Appendix C (2020 Audited Financial Statements), Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2020, page 78 (PDF page 286)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.4) for 2020; it is not netted against this figure", "period": { "end": "2020-12-31", "kind": "calendar_year", "label": "CY2020", "period_end": "2021-01-01T00:00:00Z", "period_start": "2020-01-01T00:00:00Z", "start": "2020-01-01", "year": 2020 }, "precision": 0, "quality": "valid", "source_ref": "scl-official-statement-2021a", "unit": "USD", "value": 161100000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Appendix C (2020 Audited Financial Statements), Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2020, page 78 (PDF page 286)", "method": "curated", "missing_reason": null, "note": "The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.4) for 2020; it is not netted against this figure", "period": { "end": "2020-12-31", "kind": "calendar_year", "label": "CY2020", "period_end": "2021-01-01T00:00:00Z", "period_start": "2020-01-01T00:00:00Z", "start": "2020-01-01", "year": 2020 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2021-06-29", "source_ref": "scl-official-statement-2021a", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2021%20documents/seattle%20city%20light%202021a%20final%20os%20plus%20addendum.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2020 and 2019 were as follows: Long-term purchased power-Bonneville", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 161100000.0, "value_from": "document", "value_text": null }, { "as_printed": "$ 154.7", "assertion_id": "scl-bpa-purchases-2021", "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2022 Financial Statements", "evidence": "reported", "fact": { "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2021#supply_purchase_cost@2021", "label": "Power purchased from BPA", "locator": "scl-bpa-purchases-2021; Seattle City Light 2022 Financial Statements; Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2021, page 83 (PDF page 85)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.5) for 2021; it is not netted against this figure", "period": { "end": "2021-12-31", "kind": "calendar_year", "label": "CY2021", "period_end": "2022-01-01T00:00:00Z", "period_start": "2021-01-01T00:00:00Z", "start": "2021-01-01", "year": 2021 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2022", "unit": "USD", "value": 154700000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2021, page 83 (PDF page 85)", "method": "curated", "missing_reason": null, "note": "The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.5) for 2021; it is not netted against this figure", "period": { "end": "2021-12-31", "kind": "calendar_year", "label": "CY2021", "period_end": "2022-01-01T00:00:00Z", "period_start": "2021-01-01T00:00:00Z", "start": "2021-01-01", "year": 2021 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2023-05-05", "source_ref": "scl-financial-statements-2022", "source_url": "https://www.seattle.gov/documents/Departments/CityLight/Communications/2022FinancialStatement.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2022 and 2021 were as follows: Long-term purchased power-Bonneville", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 154700000.0, "value_from": "document", "value_text": null }, { "as_printed": "$ 106.5", "assertion_id": "scl-bpa-purchases-2022", "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2022 Financial Statements", "evidence": "reported", "fact": { "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2022#supply_purchase_cost@2022", "label": "Power purchased from BPA", "locator": "scl-bpa-purchases-2022; Seattle City Light 2022 Financial Statements; Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2022, page 83 (PDF page 85)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "Management's discussion (unaudited), 2022 against 2021: “Long-term purchased power expenses of $150.5 million decreased by $57.0 million mostly due to BPA Power Reserves Distribution Clause credit and expiration of the Stateline Wind contract.” (page 20, PDF page 22). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.6) for 2022; it is not netted against this figure", "period": { "end": "2022-12-31", "kind": "calendar_year", "label": "CY2022", "period_end": "2023-01-01T00:00:00Z", "period_start": "2022-01-01T00:00:00Z", "start": "2022-01-01", "year": 2022 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2022", "unit": "USD", "value": 106500000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2022, page 83 (PDF page 85)", "method": "curated", "missing_reason": null, "note": "Management's discussion (unaudited), 2022 against 2021: “Long-term purchased power expenses of $150.5 million decreased by $57.0 million mostly due to BPA Power Reserves Distribution Clause credit and expiration of the Stateline Wind contract.” (page 20, PDF page 22). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.6) for 2022; it is not netted against this figure", "period": { "end": "2022-12-31", "kind": "calendar_year", "label": "CY2022", "period_end": "2023-01-01T00:00:00Z", "period_start": "2022-01-01T00:00:00Z", "start": "2022-01-01", "year": 2022 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2023-05-05", "source_ref": "scl-financial-statements-2022", "source_url": "https://www.seattle.gov/documents/Departments/CityLight/Communications/2022FinancialStatement.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2022 and 2021 were as follows: Long-term purchased power-Bonneville", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 106500000.0, "value_from": "document", "value_text": null }, { "as_printed": "$ 138.2", "assertion_id": "scl-bpa-purchases-2023", "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2024 Financial Statements", "evidence": "reported", "fact": { "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2023#supply_purchase_cost@2023", "label": "Power purchased from BPA", "locator": "scl-bpa-purchases-2023; Seattle City Light 2024 Financial Statements; Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2023, page 81 (PDF page 83)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "Management's discussion (unaudited), 2023 against 2022: “Long-term purchased power expenses of $175.4 million increased by $24.9 million largely due to a reduced BPA Power Reserves Distribution Clause credit in 2023 by $15.7 million, and a $16.0 million increase due to BPA Block power costs.” (page 21, PDF page 23). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.7) for 2023; it is not netted against this figure", "period": { "end": "2023-12-31", "kind": "calendar_year", "label": "CY2023", "period_end": "2024-01-01T00:00:00Z", "period_start": "2023-01-01T00:00:00Z", "start": "2023-01-01", "year": 2023 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2024", "unit": "USD", "value": 138200000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2023, page 81 (PDF page 83)", "method": "curated", "missing_reason": null, "note": "Management's discussion (unaudited), 2023 against 2022: “Long-term purchased power expenses of $175.4 million increased by $24.9 million largely due to a reduced BPA Power Reserves Distribution Clause credit in 2023 by $15.7 million, and a $16.0 million increase due to BPA Block power costs.” (page 21, PDF page 23). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.7) for 2023; it is not netted against this figure", "period": { "end": "2023-12-31", "kind": "calendar_year", "label": "CY2023", "period_end": "2024-01-01T00:00:00Z", "period_start": "2023-01-01T00:00:00Z", "start": "2023-01-01", "year": 2023 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2025-05-02", "source_ref": "scl-financial-statements-2024", "source_url": "https://www.seattle.gov/documents/Departments/CityLight/Communications/2024FinancialStatement.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2024 and 2023 were as follows: Long-term purchased power-Bonneville", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 138200000.0, "value_from": "document", "value_text": null }, { "as_printed": "$ 165.1", "assertion_id": "scl-bpa-purchases-2024", "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. The operating statement's 'Long-term purchased power—Bonneville and other' (page 26) adds other suppliers and is not used", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2025 Financial Statements", "evidence": "reported", "fact": { "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. The operating statement's 'Long-term purchased power—Bonneville and other' (page 26) adds other suppliers and is not used", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2024#supply_purchase_cost@2024", "label": "Power purchased from BPA", "locator": "scl-bpa-purchases-2024; Seattle City Light 2025 Financial Statements; Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2024, page 77 (PDF page 79)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.6) for 2025 and (3.8) for 2024; it is not netted against this figure", "period": { "end": "2024-12-31", "kind": "calendar_year", "label": "CY2024", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "start": "2024-01-01", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2025", "unit": "USD", "value": 165100000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2024, page 77 (PDF page 79)", "method": "curated", "missing_reason": null, "note": "The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.6) for 2025 and (3.8) for 2024; it is not netted against this figure", "period": { "end": "2024-12-31", "kind": "calendar_year", "label": "CY2024", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "start": "2024-01-01", "year": 2024 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2026-04-30", "source_ref": "scl-financial-statements-2025", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2026%20documents/2025%20scl%20financial%20statements%20with%20bt%20reports.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2025 and 2024 were as follows: Long-term purchased power-Bonneville", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 165100000.0, "value_from": "document", "value_text": null }, { "as_printed": "$ 163.4", "assertion_id": "scl-bpa-purchases-2025", "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. The operating statement's 'Long-term purchased power—Bonneville and other' (page 26) adds other suppliers and is not used", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2025 Financial Statements", "evidence": "reported", "fact": { "basis": "What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. The operating statement's 'Long-term purchased power—Bonneville and other' (page 26) adds other suppliers and is not used", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2025#supply_purchase_cost@2025", "label": "Power purchased from BPA", "locator": "scl-bpa-purchases-2025; Seattle City Light 2025 Financial Statements; Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2025, page 77 (PDF page 79)", "maturity": "final", "method": "curated", "metric": "supply_purchase_cost", "missing_reason": null, "note": "The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.6) for 2025 and (3.8) for 2024; it is not netted against this figure", "period": { "end": "2025-12-31", "kind": "calendar_year", "label": "CY2025", "period_end": "2026-01-01T00:00:00Z", "period_start": "2025-01-01T00:00:00Z", "start": "2025-01-01", "year": 2025 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2025", "unit": "USD", "value": 163400000.0 }, "holder": null, "kind": "purchase_cost", "locator": "Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2025, page 77 (PDF page 79)", "method": "curated", "missing_reason": null, "note": "The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.6) for 2025 and (3.8) for 2024; it is not netted against this figure", "period": { "end": "2025-12-31", "kind": "calendar_year", "label": "CY2025", "period_end": "2026-01-01T00:00:00Z", "period_start": "2025-01-01T00:00:00Z", "start": "2025-01-01", "year": 2025 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2026-04-30", "source_ref": "scl-financial-statements-2025", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2026%20documents/2025%20scl%20financial%20statements%20with%20bt%20reports.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2025 and 2024 were as follows: Long-term purchased power-Bonneville", "unit": "USD", "unit_basis": "As printed, ($ in millions)", "value": 163400000.0, "value_from": "document", "value_text": null } ], "purchased_energy": [ { "as_printed": "567.6", "assertion_id": "scl-bpa-energy-mwa-2015", "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-2015#supply_purchased_energy_mwa@2015", "label": "Energy purchased from BPA, average", "locator": "scl-bpa-energy-mwa-2015; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Long-term purchase power—Bonneville, column Average Megawatts 2015, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": "The note's 567.6 MWa and the energy table's 4,971,459 MWh do not agree to print rounding on either an 8,760- or an 8,784-hour year; each is kept as printed and neither is converted into the other", "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "MWa", "value": 567.6 }, "holder": null, "kind": "purchased_energy", "locator": "Note 18, table of long-term purchased power, row Long-term purchase power—Bonneville, column Average Megawatts 2015, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": "The note's 567.6 MWa and the energy table's 4,971,459 MWh do not agree to print rounding on either an 8,760- or an 8,784-hour year; each is kept as printed and neither is converted into the other", "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Long-term purchase power—Bonneville", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 567.6, "value_from": "document", "value_text": null }, { "as_printed": "269.8", "assertion_id": "scl-bpa-energy-mwa-block-2015", "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Block", "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-block-2015#supply_purchased_energy_mwa@2015", "label": "Energy purchased from BPA, average, Block component", "locator": "scl-bpa-energy-mwa-block-2015; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Bonneville Block, column Average Megawatts 2015, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "MWa", "value": 269.8 }, "holder": null, "kind": "purchased_energy", "locator": "Note 18, table of long-term purchased power, row Bonneville Block, column Average Megawatts 2015, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Bonneville Block", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 269.8, "value_from": "document", "value_text": null }, { "as_printed": "297.8", "assertion_id": "scl-bpa-energy-mwa-slice-2015", "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Slice", "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-slice-2015#supply_purchased_energy_mwa@2015", "label": "Energy purchased from BPA, average, Slice component", "locator": "scl-bpa-energy-mwa-slice-2015; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Bonneville Slice, column Average Megawatts 2015, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "MWa", "value": 297.8 }, "holder": null, "kind": "purchased_energy", "locator": "Note 18, table of long-term purchased power, row Bonneville Slice, column Average Megawatts 2015, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Bonneville Slice", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 297.8, "value_from": "document", "value_text": null }, { "as_printed": "4,971,459", "assertion_id": "scl-bpa-energy-mwh-2015", "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwh-2015#supply_purchased_energy@2015", "label": "Energy purchased from BPA", "locator": "scl-bpa-energy-mwh-2015; Seattle City Light 2016 Financial Statements; Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2015, page 83 (PDF page 87)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy", "missing_reason": null, "note": null, "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "MWh", "value": 4971459.0 }, "holder": null, "kind": "purchased_energy", "locator": "Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2015, page 83 (PDF page 87)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Historical Energy Resources (in MWh), Energy Purchases, row Bonneville", "unit": "MWh", "unit_basis": "As printed, in the table headed Historical Energy Resources (in MWh)", "value": 4971459.0, "value_from": "document", "value_text": null }, { "as_printed": "585.0", "assertion_id": "scl-bpa-energy-mwa-2016", "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-2016#supply_purchased_energy_mwa@2016", "label": "Energy purchased from BPA, average", "locator": "scl-bpa-energy-mwa-2016; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Long-term purchase power—Bonneville, column Average Megawatts 2016, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "MWa", "value": 585.0 }, "holder": null, "kind": "purchased_energy", "locator": "Note 18, table of long-term purchased power, row Long-term purchase power—Bonneville, column Average Megawatts 2016, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Long-term purchase power—Bonneville", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 585.0, "value_from": "document", "value_text": null }, { "as_printed": "264.7", "assertion_id": "scl-bpa-energy-mwa-block-2016", "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Block", "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-block-2016#supply_purchased_energy_mwa@2016", "label": "Energy purchased from BPA, average, Block component", "locator": "scl-bpa-energy-mwa-block-2016; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Bonneville Block, column Average Megawatts 2016, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "MWa", "value": 264.7 }, "holder": null, "kind": "purchased_energy", "locator": "Note 18, table of long-term purchased power, row Bonneville Block, column Average Megawatts 2016, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Bonneville Block", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 264.7, "value_from": "document", "value_text": null }, { "as_printed": "320.3", "assertion_id": "scl-bpa-energy-mwa-slice-2016", "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Slice", "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-slice-2016#supply_purchased_energy_mwa@2016", "label": "Energy purchased from BPA, average, Slice component", "locator": "scl-bpa-energy-mwa-slice-2016; Seattle City Light 2016 Financial Statements; Note 18, table of long-term purchased power, row Bonneville Slice, column Average Megawatts 2016, page 69 (PDF page 73)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "MWa", "value": 320.3 }, "holder": null, "kind": "purchased_energy", "locator": "Note 18, table of long-term purchased power, row Bonneville Slice, column Average Megawatts 2016, page 69 (PDF page 73)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Expenses incurred and energy received under these and other long-term purchased power agreements at December 31, 2016 and 2015 were as follows: Bonneville Slice", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 320.3, "value_from": "document", "value_text": null }, { "as_printed": "5,138,417", "assertion_id": "scl-bpa-energy-mwh-2016", "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2016 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwh-2016#supply_purchased_energy@2016", "label": "Energy purchased from BPA", "locator": "scl-bpa-energy-mwh-2016; Seattle City Light 2016 Financial Statements; Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2016, page 83 (PDF page 87)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "MWh", "value": 5138417.0 }, "holder": null, "kind": "purchased_energy", "locator": "Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2016, page 83 (PDF page 87)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" } ], "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf", "statement": "Historical Energy Resources (in MWh), Energy Purchases, row Bonneville", "unit": "MWh", "unit_basis": "As printed, in the table headed Historical Energy Resources (in MWh)", "value": 5138417.0, "value_from": "document", "value_text": null }, { "as_printed": "625.9", "assertion_id": "scl-bpa-energy-mwa-2017", "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": true, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2018 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-2017#supply_purchased_energy_mwa@2017", "label": "Energy purchased from BPA, average", "locator": "scl-bpa-energy-mwa-2017; Seattle City Light 2018 Financial Statements; Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2017, page 74 (PDF page 78)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": "Spans the product change: Slice/Block Oct 2011–Sep 2017, Block Oct 2017–Sep 2028", "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "MWa", "value": 625.9 }, "holder": null, "kind": "purchased_energy", "locator": "Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2017, page 74 (PDF page 78)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" }, { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2019-05-20", "source_ref": "scl-financial-statements-2018", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2018-Financials.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2018 and 2017 were as follows: Long-term purchased power-Bonneville", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 625.9, "value_from": "document", "value_text": null }, { "as_printed": "347.7", "assertion_id": "scl-bpa-energy-mwa-block-2017", "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase to 2017-09-30 and the Block product from 2017-10-01, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Block", "context": null, "contract": null, "contract_label": null, "crosses_product_change": true, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2018 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Block row, the Block part of the Slice/Block purchase to 2017-09-30 and the Block product from 2017-10-01, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-block-2017#supply_purchased_energy_mwa@2017", "label": "Energy purchased from BPA, average, Block component", "locator": "scl-bpa-energy-mwa-block-2017; Seattle City Light 2018 Financial Statements; Note 19, table of long-term purchased power, row Bonneville Block, column Average Megawatts 2017, page 74 (PDF page 78)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": "Spans the product change: Slice/Block Oct 2011–Sep 2017, Block Oct 2017–Sep 2028", "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "MWa", "value": 347.7 }, "holder": null, "kind": "purchased_energy", "locator": "Note 19, table of long-term purchased power, row Bonneville Block, column Average Megawatts 2017, page 74 (PDF page 78)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" }, { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2019-05-20", "source_ref": "scl-financial-statements-2018", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2018-Financials.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2018 and 2017 were as follows: Bonneville Block", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 347.7, "value_from": "document", "value_text": null }, { "as_printed": "278.2", "assertion_id": "scl-bpa-energy-mwa-slice-2017", "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase, which ended 2017-09-30, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "column_label": null, "component": "Slice", "context": null, "contract": null, "contract_label": null, "crosses_product_change": true, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2018 Financial Statements", "evidence": "reported", "fact": { "basis": "The note's Bonneville Slice row, the Slice part of the Slice/Block purchase, which ended 2017-09-30, as an average over the year: a component of the year's BPA purchase, never a product, shown beneath the Bonneville row and never added to it", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-slice-2017#supply_purchased_energy_mwa@2017", "label": "Energy purchased from BPA, average, Slice component", "locator": "scl-bpa-energy-mwa-slice-2017; Seattle City Light 2018 Financial Statements; Note 19, table of long-term purchased power, row Bonneville Slice, column Average Megawatts 2017, page 74 (PDF page 78)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": "Spans the product change: Slice/Block Oct 2011–Sep 2017, Block Oct 2017–Sep 2028", "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "MWa", "value": 278.2 }, "holder": null, "kind": "purchased_energy", "locator": "Note 19, table of long-term purchased power, row Bonneville Slice, column Average Megawatts 2017, page 74 (PDF page 78)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" }, { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2019-05-20", "source_ref": "scl-financial-statements-2018", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2018-Financials.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2018 and 2017 were as follows: Bonneville Slice", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 278.2, "value_from": "document", "value_text": null }, { "as_printed": "5,482,904", "assertion_id": "scl-bpa-energy-mwh-2017", "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": true, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2018 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwh-2017#supply_purchased_energy@2017", "label": "Energy purchased from BPA", "locator": "scl-bpa-energy-mwh-2017; Seattle City Light 2018 Financial Statements; Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2017, page 88 (PDF page 92)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy", "missing_reason": null, "note": "Spans the product change: Slice/Block Oct 2011–Sep 2017, Block Oct 2017–Sep 2028", "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "MWh", "value": 5482904.0 }, "holder": null, "kind": "purchased_energy", "locator": "Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2017, page 88 (PDF page 92)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" }, { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2019-05-20", "source_ref": "scl-financial-statements-2018", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2018-Financials.pdf", "statement": "Historical Energy Resources (in MWh), Energy Purchases, row Bonneville", "unit": "MWh", "unit_basis": "As printed, in the table headed Historical Energy Resources (in MWh)", "value": 5482904.0, "value_from": "document", "value_text": null }, { "as_printed": "506.4", "assertion_id": "scl-bpa-energy-mwa-2018", "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2018 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-2018#supply_purchased_energy_mwa@2018", "label": "Energy purchased from BPA, average", "locator": "scl-bpa-energy-mwa-2018; Seattle City Light 2018 Financial Statements; Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2018, page 74 (PDF page 78)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": "The note also prints a Bonneville Block row equal to this one and a Bonneville Slice row of “-” (Slice ended 2017-09-30); the Block row is not repeated here", "period": { "end": "2018-12-31", "kind": "calendar_year", "label": "CY2018", "period_end": "2019-01-01T00:00:00Z", "period_start": "2018-01-01T00:00:00Z", "start": "2018-01-01", "year": 2018 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "MWa", "value": 506.4 }, "holder": null, "kind": "purchased_energy", "locator": "Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2018, page 74 (PDF page 78)", "method": "curated", "missing_reason": null, "note": "The note also prints a Bonneville Block row equal to this one and a Bonneville Slice row of “-” (Slice ended 2017-09-30); the Block row is not repeated here", "period": { "end": "2018-12-31", "kind": "calendar_year", "label": "CY2018", "period_end": "2019-01-01T00:00:00Z", "period_start": "2018-01-01T00:00:00Z", "start": "2018-01-01", "year": 2018 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2019-05-20", "source_ref": "scl-financial-statements-2018", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2018-Financials.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2018 and 2017 were as follows: Long-term purchased power-Bonneville", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 506.4, "value_from": "document", "value_text": null }, { "as_printed": "4,435,838", "assertion_id": "scl-bpa-energy-mwh-2018", "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2018 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwh-2018#supply_purchased_energy@2018", "label": "Energy purchased from BPA", "locator": "scl-bpa-energy-mwh-2018; Seattle City Light 2018 Financial Statements; Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2018, page 88 (PDF page 92)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy", "missing_reason": null, "note": null, "period": { "end": "2018-12-31", "kind": "calendar_year", "label": "CY2018", "period_end": "2019-01-01T00:00:00Z", "period_start": "2018-01-01T00:00:00Z", "start": "2018-01-01", "year": 2018 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "MWh", "value": 4435838.0 }, "holder": null, "kind": "purchased_energy", "locator": "Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2018, page 88 (PDF page 92)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2018-12-31", "kind": "calendar_year", "label": "CY2018", "period_end": "2019-01-01T00:00:00Z", "period_start": "2018-01-01T00:00:00Z", "start": "2018-01-01", "year": 2018 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2019-05-20", "source_ref": "scl-financial-statements-2018", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2018-Financials.pdf", "statement": "Historical Energy Resources (in MWh), Energy Purchases, row Bonneville", "unit": "MWh", "unit_basis": "As printed, in the table headed Historical Energy Resources (in MWh)", "value": 4435838.0, "value_from": "document", "value_text": null }, { "as_printed": "501.0", "assertion_id": "scl-bpa-energy-mwa-2019", "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2021A Official Statement", "evidence": "reported", "fact": { "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-2019#supply_purchased_energy_mwa@2019", "label": "Energy purchased from BPA, average", "locator": "scl-bpa-energy-mwa-2019; Seattle City Light 2021A Official Statement; Appendix C (2020 Audited Financial Statements), Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2019, page 78 (PDF page 286)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2019-12-31", "kind": "calendar_year", "label": "CY2019", "period_end": "2020-01-01T00:00:00Z", "period_start": "2019-01-01T00:00:00Z", "start": "2019-01-01", "year": 2019 }, "precision": 1, "quality": "valid", "source_ref": "scl-official-statement-2021a", "unit": "MWa", "value": 501.0 }, "holder": null, "kind": "purchased_energy", "locator": "Appendix C (2020 Audited Financial Statements), Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2019, page 78 (PDF page 286)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2019-12-31", "kind": "calendar_year", "label": "CY2019", "period_end": "2020-01-01T00:00:00Z", "period_start": "2019-01-01T00:00:00Z", "start": "2019-01-01", "year": 2019 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2021-06-29", "source_ref": "scl-official-statement-2021a", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2021%20documents/seattle%20city%20light%202021a%20final%20os%20plus%20addendum.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2020 and 2019 were as follows: Long-term purchased power-Bonneville", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 501.0, "value_from": "document", "value_text": null }, { "as_printed": "4,388,973", "assertion_id": "scl-bpa-energy-mwh-2019", "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2021A Official Statement", "evidence": "reported", "fact": { "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwh-2019#supply_purchased_energy@2019", "label": "Energy purchased from BPA", "locator": "scl-bpa-energy-mwh-2019; Seattle City Light 2021A Official Statement; Appendix C (2020 Audited Financial Statements), Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2019(d), page 90 (PDF page 298)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy", "missing_reason": null, "note": "The column is headed 2019(d): “(d) Certain numbers were corrected in 2020.” (page 90, PDF page 298), without saying which; the 2019 edition was not located, so the uncorrected figure is unknown. The 2022 statements' table (page 97) prints the same figure", "period": { "end": "2019-12-31", "kind": "calendar_year", "label": "CY2019", "period_end": "2020-01-01T00:00:00Z", "period_start": "2019-01-01T00:00:00Z", "start": "2019-01-01", "year": 2019 }, "precision": 0, "quality": "valid", "source_ref": "scl-official-statement-2021a", "unit": "MWh", "value": 4388973.0 }, "holder": null, "kind": "purchased_energy", "locator": "Appendix C (2020 Audited Financial Statements), Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2019(d), page 90 (PDF page 298)", "method": "curated", "missing_reason": null, "note": "The column is headed 2019(d): “(d) Certain numbers were corrected in 2020.” (page 90, PDF page 298), without saying which; the 2019 edition was not located, so the uncorrected figure is unknown. The 2022 statements' table (page 97) prints the same figure", "period": { "end": "2019-12-31", "kind": "calendar_year", "label": "CY2019", "period_end": "2020-01-01T00:00:00Z", "period_start": "2019-01-01T00:00:00Z", "start": "2019-01-01", "year": 2019 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2021-06-29", "source_ref": "scl-official-statement-2021a", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2021%20documents/seattle%20city%20light%202021a%20final%20os%20plus%20addendum.pdf", "statement": "Historical Energy Resources (in MWh), Energy Purchases, row Bonneville", "unit": "MWh", "unit_basis": "As printed, in the table headed Historical Energy Resources (in MWh)", "value": 4388973.0, "value_from": "document", "value_text": null }, { "as_printed": "489.4", "assertion_id": "scl-bpa-energy-mwa-2020", "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2021A Official Statement", "evidence": "reported", "fact": { "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-2020#supply_purchased_energy_mwa@2020", "label": "Energy purchased from BPA, average", "locator": "scl-bpa-energy-mwa-2020; Seattle City Light 2021A Official Statement; Appendix C (2020 Audited Financial Statements), Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2020, page 78 (PDF page 286)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2020-12-31", "kind": "calendar_year", "label": "CY2020", "period_end": "2021-01-01T00:00:00Z", "period_start": "2020-01-01T00:00:00Z", "start": "2020-01-01", "year": 2020 }, "precision": 1, "quality": "valid", "source_ref": "scl-official-statement-2021a", "unit": "MWa", "value": 489.4 }, "holder": null, "kind": "purchased_energy", "locator": "Appendix C (2020 Audited Financial Statements), Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2020, page 78 (PDF page 286)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2020-12-31", "kind": "calendar_year", "label": "CY2020", "period_end": "2021-01-01T00:00:00Z", "period_start": "2020-01-01T00:00:00Z", "start": "2020-01-01", "year": 2020 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2021-06-29", "source_ref": "scl-official-statement-2021a", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2021%20documents/seattle%20city%20light%202021a%20final%20os%20plus%20addendum.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2020 and 2019 were as follows: Long-term purchased power-Bonneville", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 489.4, "value_from": "document", "value_text": null }, { "as_printed": "4,299,280", "assertion_id": "scl-bpa-energy-mwh-2020", "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2021A Official Statement", "evidence": "reported", "fact": { "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwh-2020#supply_purchased_energy@2020", "label": "Energy purchased from BPA", "locator": "scl-bpa-energy-mwh-2020; Seattle City Light 2021A Official Statement; Appendix C (2020 Audited Financial Statements), Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2020, page 90 (PDF page 298)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy", "missing_reason": null, "note": null, "period": { "end": "2020-12-31", "kind": "calendar_year", "label": "CY2020", "period_end": "2021-01-01T00:00:00Z", "period_start": "2020-01-01T00:00:00Z", "start": "2020-01-01", "year": 2020 }, "precision": 0, "quality": "valid", "source_ref": "scl-official-statement-2021a", "unit": "MWh", "value": 4299280.0 }, "holder": null, "kind": "purchased_energy", "locator": "Appendix C (2020 Audited Financial Statements), Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2020, page 90 (PDF page 298)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2020-12-31", "kind": "calendar_year", "label": "CY2020", "period_end": "2021-01-01T00:00:00Z", "period_start": "2020-01-01T00:00:00Z", "start": "2020-01-01", "year": 2020 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2021-06-29", "source_ref": "scl-official-statement-2021a", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2021%20documents/seattle%20city%20light%202021a%20final%20os%20plus%20addendum.pdf", "statement": "Historical Energy Resources (in MWh), Energy Purchases, row Bonneville", "unit": "MWh", "unit_basis": "As printed, in the table headed Historical Energy Resources (in MWh)", "value": 4299280.0, "value_from": "document", "value_text": null }, { "as_printed": "470.2", "assertion_id": "scl-bpa-energy-mwa-2021", "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2022 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-2021#supply_purchased_energy_mwa@2021", "label": "Energy purchased from BPA, average", "locator": "scl-bpa-energy-mwa-2021; Seattle City Light 2022 Financial Statements; Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2021, page 83 (PDF page 85)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2021-12-31", "kind": "calendar_year", "label": "CY2021", "period_end": "2022-01-01T00:00:00Z", "period_start": "2021-01-01T00:00:00Z", "start": "2021-01-01", "year": 2021 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2022", "unit": "MWa", "value": 470.2 }, "holder": null, "kind": "purchased_energy", "locator": "Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2021, page 83 (PDF page 85)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2021-12-31", "kind": "calendar_year", "label": "CY2021", "period_end": "2022-01-01T00:00:00Z", "period_start": "2021-01-01T00:00:00Z", "start": "2021-01-01", "year": 2021 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2023-05-05", "source_ref": "scl-financial-statements-2022", "source_url": "https://www.seattle.gov/documents/Departments/CityLight/Communications/2022FinancialStatement.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2022 and 2021 were as follows: Long-term purchased power-Bonneville", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 470.2, "value_from": "document", "value_text": null }, { "as_printed": "4,119,204", "assertion_id": "scl-bpa-energy-mwh-2021", "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2022 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwh-2021#supply_purchased_energy@2021", "label": "Energy purchased from BPA", "locator": "scl-bpa-energy-mwh-2021; Seattle City Light 2022 Financial Statements; Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2021, page 97 (PDF page 99)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy", "missing_reason": null, "note": null, "period": { "end": "2021-12-31", "kind": "calendar_year", "label": "CY2021", "period_end": "2022-01-01T00:00:00Z", "period_start": "2021-01-01T00:00:00Z", "start": "2021-01-01", "year": 2021 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2022", "unit": "MWh", "value": 4119204.0 }, "holder": null, "kind": "purchased_energy", "locator": "Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2021, page 97 (PDF page 99)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2021-12-31", "kind": "calendar_year", "label": "CY2021", "period_end": "2022-01-01T00:00:00Z", "period_start": "2021-01-01T00:00:00Z", "start": "2021-01-01", "year": 2021 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2023-05-05", "source_ref": "scl-financial-statements-2022", "source_url": "https://www.seattle.gov/documents/Departments/CityLight/Communications/2022FinancialStatement.pdf", "statement": "Historical Energy Resources (in MWh), Energy Purchases, row Bonneville", "unit": "MWh", "unit_basis": "As printed, in the table headed Historical Energy Resources (in MWh)", "value": 4119204.0, "value_from": "document", "value_text": null }, { "as_printed": "434.3", "assertion_id": "scl-bpa-energy-mwa-2022", "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2022 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-2022#supply_purchased_energy_mwa@2022", "label": "Energy purchased from BPA, average", "locator": "scl-bpa-energy-mwa-2022; Seattle City Light 2022 Financial Statements; Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2022, page 83 (PDF page 85)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2022-12-31", "kind": "calendar_year", "label": "CY2022", "period_end": "2023-01-01T00:00:00Z", "period_start": "2022-01-01T00:00:00Z", "start": "2022-01-01", "year": 2022 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2022", "unit": "MWa", "value": 434.3 }, "holder": null, "kind": "purchased_energy", "locator": "Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2022, page 83 (PDF page 85)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2022-12-31", "kind": "calendar_year", "label": "CY2022", "period_end": "2023-01-01T00:00:00Z", "period_start": "2022-01-01T00:00:00Z", "start": "2022-01-01", "year": 2022 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2023-05-05", "source_ref": "scl-financial-statements-2022", "source_url": "https://www.seattle.gov/documents/Departments/CityLight/Communications/2022FinancialStatement.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2022 and 2021 were as follows: Long-term purchased power-Bonneville", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 434.3, "value_from": "document", "value_text": null }, { "as_printed": "3,804,606", "assertion_id": "scl-bpa-energy-mwh-2022", "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2022 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwh-2022#supply_purchased_energy@2022", "label": "Energy purchased from BPA", "locator": "scl-bpa-energy-mwh-2022; Seattle City Light 2022 Financial Statements; Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2022, page 97 (PDF page 99)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy", "missing_reason": null, "note": "Table B-16 of the 2026A official statement (page B-22) prints 3,789,870 MWh for BPA (Block) in 2022; the statements' figure, printed alike in the 2024 and 2025 statements, is kept, and the two documents are never mixed", "period": { "end": "2022-12-31", "kind": "calendar_year", "label": "CY2022", "period_end": "2023-01-01T00:00:00Z", "period_start": "2022-01-01T00:00:00Z", "start": "2022-01-01", "year": 2022 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2022", "unit": "MWh", "value": 3804606.0 }, "holder": null, "kind": "purchased_energy", "locator": "Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2022, page 97 (PDF page 99)", "method": "curated", "missing_reason": null, "note": "Table B-16 of the 2026A official statement (page B-22) prints 3,789,870 MWh for BPA (Block) in 2022; the statements' figure, printed alike in the 2024 and 2025 statements, is kept, and the two documents are never mixed", "period": { "end": "2022-12-31", "kind": "calendar_year", "label": "CY2022", "period_end": "2023-01-01T00:00:00Z", "period_start": "2022-01-01T00:00:00Z", "start": "2022-01-01", "year": 2022 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2023-05-05", "source_ref": "scl-financial-statements-2022", "source_url": "https://www.seattle.gov/documents/Departments/CityLight/Communications/2022FinancialStatement.pdf", "statement": "Historical Energy Resources (in MWh), Energy Purchases, row Bonneville", "unit": "MWh", "unit_basis": "As printed, in the table headed Historical Energy Resources (in MWh)", "value": 3804606.0, "value_from": "document", "value_text": null }, { "as_printed": "461.1", "assertion_id": "scl-bpa-energy-mwa-2023", "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2024 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-2023#supply_purchased_energy_mwa@2023", "label": "Energy purchased from BPA, average", "locator": "scl-bpa-energy-mwa-2023; Seattle City Light 2024 Financial Statements; Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2023, page 81 (PDF page 83)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2023-12-31", "kind": "calendar_year", "label": "CY2023", "period_end": "2024-01-01T00:00:00Z", "period_start": "2023-01-01T00:00:00Z", "start": "2023-01-01", "year": 2023 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2024", "unit": "MWa", "value": 461.1 }, "holder": null, "kind": "purchased_energy", "locator": "Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2023, page 81 (PDF page 83)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2023-12-31", "kind": "calendar_year", "label": "CY2023", "period_end": "2024-01-01T00:00:00Z", "period_start": "2023-01-01T00:00:00Z", "start": "2023-01-01", "year": 2023 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2025-05-02", "source_ref": "scl-financial-statements-2024", "source_url": "https://www.seattle.gov/documents/Departments/CityLight/Communications/2024FinancialStatement.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2024 and 2023 were as follows: Long-term purchased power-Bonneville", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 461.1, "value_from": "document", "value_text": null }, { "as_printed": "4,039,150", "assertion_id": "scl-bpa-energy-mwh-2023", "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-29", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2024 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwh-2023#supply_purchased_energy@2023", "label": "Energy purchased from BPA", "locator": "scl-bpa-energy-mwh-2023; Seattle City Light 2024 Financial Statements; Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2023, page 95 (PDF page 97)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy", "missing_reason": null, "note": null, "period": { "end": "2023-12-31", "kind": "calendar_year", "label": "CY2023", "period_end": "2024-01-01T00:00:00Z", "period_start": "2023-01-01T00:00:00Z", "start": "2023-01-01", "year": 2023 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2024", "unit": "MWh", "value": 4039150.0 }, "holder": null, "kind": "purchased_energy", "locator": "Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2023, page 95 (PDF page 97)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2023-12-31", "kind": "calendar_year", "label": "CY2023", "period_end": "2024-01-01T00:00:00Z", "period_start": "2023-01-01T00:00:00Z", "start": "2023-01-01", "year": 2023 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2025-05-02", "source_ref": "scl-financial-statements-2024", "source_url": "https://www.seattle.gov/documents/Departments/CityLight/Communications/2024FinancialStatement.pdf", "statement": "Historical Energy Resources (in MWh), Energy Purchases, row Bonneville", "unit": "MWh", "unit_basis": "As printed, in the table headed Historical Energy Resources (in MWh)", "value": 4039150.0, "value_from": "document", "value_text": null }, { "as_printed": "488.4", "assertion_id": "scl-bpa-energy-mwa-2024", "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2025 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-2024#supply_purchased_energy_mwa@2024", "label": "Energy purchased from BPA, average", "locator": "scl-bpa-energy-mwa-2024; Seattle City Light 2025 Financial Statements; Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2024, page 77 (PDF page 79)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2024-12-31", "kind": "calendar_year", "label": "CY2024", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "start": "2024-01-01", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2025", "unit": "MWa", "value": 488.4 }, "holder": null, "kind": "purchased_energy", "locator": "Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2024, page 77 (PDF page 79)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2024-12-31", "kind": "calendar_year", "label": "CY2024", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "start": "2024-01-01", "year": 2024 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2026-04-30", "source_ref": "scl-financial-statements-2025", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2026%20documents/2025%20scl%20financial%20statements%20with%20bt%20reports.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2025 and 2024 were as follows: Long-term purchased power-Bonneville", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 488.4, "value_from": "document", "value_text": null }, { "as_printed": "4,278,100", "assertion_id": "scl-bpa-energy-mwh-2024", "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2025 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwh-2024#supply_purchased_energy@2024", "label": "Energy purchased from BPA", "locator": "scl-bpa-energy-mwh-2024; Seattle City Light 2025 Financial Statements; Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2024, page 92 (PDF page 94)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy", "missing_reason": null, "note": null, "period": { "end": "2024-12-31", "kind": "calendar_year", "label": "CY2024", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "start": "2024-01-01", "year": 2024 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2025", "unit": "MWh", "value": 4278100.0 }, "holder": null, "kind": "purchased_energy", "locator": "Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2024, page 92 (PDF page 94)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2024-12-31", "kind": "calendar_year", "label": "CY2024", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "start": "2024-01-01", "year": 2024 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2026-04-30", "source_ref": "scl-financial-statements-2025", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2026%20documents/2025%20scl%20financial%20statements%20with%20bt%20reports.pdf", "statement": "Historical Energy Resources (in MWh), Energy Purchases, row Bonneville", "unit": "MWh", "unit_basis": "As printed, in the table headed Historical Energy Resources (in MWh)", "value": 4278100.0, "value_from": "document", "value_text": null }, { "as_printed": "493.9", "assertion_id": "scl-bpa-energy-mwa-2025", "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2025 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility's audited note reports receiving from BPA in the calendar year, as an average over the year; never multiplied by hours into MWh", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwa-2025#supply_purchased_energy_mwa@2025", "label": "Energy purchased from BPA, average", "locator": "scl-bpa-energy-mwa-2025; Seattle City Light 2025 Financial Statements; Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2025, page 77 (PDF page 79)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy_mwa", "missing_reason": null, "note": null, "period": { "end": "2025-12-31", "kind": "calendar_year", "label": "CY2025", "period_end": "2026-01-01T00:00:00Z", "period_start": "2025-01-01T00:00:00Z", "start": "2025-01-01", "year": 2025 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2025", "unit": "MWa", "value": 493.9 }, "holder": null, "kind": "purchased_energy", "locator": "Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Average Megawatts 2025, page 77 (PDF page 79)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2025-12-31", "kind": "calendar_year", "label": "CY2025", "period_end": "2026-01-01T00:00:00Z", "period_start": "2025-01-01T00:00:00Z", "start": "2025-01-01", "year": 2025 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2026-04-30", "source_ref": "scl-financial-statements-2025", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2026%20documents/2025%20scl%20financial%20statements%20with%20bt%20reports.pdf", "statement": "Expenses incurred, and energy received under these and other long-term purchased power agreements at December 31, 2025 and 2024 were as follows: Long-term purchased power-Bonneville", "unit": "MWa", "unit_basis": "As printed, column headed Average Megawatts; the atlas writes average megawatts as MWa", "value": 493.9, "value_from": "document", "value_text": null }, { "as_printed": "4,326,469", "assertion_id": "scl-bpa-energy-mwh-2025", "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "column_label": null, "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-05-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Seattle City Light 2025 Financial Statements", "evidence": "reported", "fact": { "basis": "The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-energy-mwh-2025#supply_purchased_energy@2025", "label": "Energy purchased from BPA", "locator": "scl-bpa-energy-mwh-2025; Seattle City Light 2025 Financial Statements; Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2025, page 92 (PDF page 94)", "maturity": "final", "method": "curated", "metric": "supply_purchased_energy", "missing_reason": null, "note": null, "period": { "end": "2025-12-31", "kind": "calendar_year", "label": "CY2025", "period_end": "2026-01-01T00:00:00Z", "period_start": "2025-01-01T00:00:00Z", "start": "2025-01-01", "year": 2025 }, "precision": 0, "quality": "valid", "source_ref": "scl-financial-statements-2025", "unit": "MWh", "value": 4326469.0 }, "holder": null, "kind": "purchased_energy", "locator": "Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2025, page 92 (PDF page 94)", "method": "curated", "missing_reason": null, "note": null, "period": { "end": "2025-12-31", "kind": "calendar_year", "label": "CY2025", "period_end": "2026-01-01T00:00:00Z", "period_start": "2025-01-01T00:00:00Z", "start": "2025-01-01", "year": 2025 }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2026-04-30", "source_ref": "scl-financial-statements-2025", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2026%20documents/2025%20scl%20financial%20statements%20with%20bt%20reports.pdf", "statement": "Historical Energy Resources (in MWh), Energy Purchases, row Bonneville", "unit": "MWh", "unit_basis": "As printed, in the table headed Historical Energy Resources (in MWh)", "value": 4326469.0, "value_from": "document", "value_text": null } ], "rhwm": [ { "as_printed": null, "assertion_id": "scl-rhwm-fy2026-2028", "basis": "The most the customer may buy at the Tier 1 rate in each year of the rate period, set in BPA's RHWM process; a cap on eligibility, not a delivery or a purchase", "column_label": "RHWM 2026", "component": null, "context": null, "contract": null, "contract_label": null, "crosses_product_change": false, "curation": { "checked": "2026-09-28", "review_after": "2027-10-01", "review_due": false, "reviewer": "claude-w68" }, "document": "Final 2026 RHWM outputs", "evidence": "reported", "fact": { "basis": "The most the customer may buy at the Tier 1 rate in each year of the rate period, set in BPA's RHWM process; a cap on eligibility, not a delivery or a purchase", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-rhwm-fy2026-2028#supply_rhwm", "label": "Rate Period High Water Mark for the FY 2026-2028 rate period", "locator": "scl-rhwm-fy2026-2028; Final 2026 RHWM outputs; RHWM!S106", "maturity": "final", "method": "direct", "metric": "supply_rhwm", "missing_reason": null, "note": null, "period": { "end": "2028-09-30", "kind": "rate_period", "label": "FY2026–FY2028 rate period (Oct 2025–Sep 2028)", "start": "2025-10-01" }, "precision": 3, "quality": "valid", "source_ref": "bpa-rhwm-fy2026-final", "unit": "MWa", "value": 526.931 }, "holder": null, "kind": "rhwm", "locator": "RHWM!S106", "method": "direct", "missing_reason": null, "note": null, "period": { "end": "2028-09-30", "kind": "rate_period", "label": "FY2026–FY2028 rate period (Oct 2025–Sep 2028)", "start": "2025-10-01" }, "products_in_period": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" } ], "published": "2024-10-01", "source_ref": "bpa-rhwm-fy2026-final", "source_url": "https://www.bpa.gov/-/media/Aep/rates-tariff/rhwm/FY-2026-2028-RHWM-Process-Material/10012024-final-2026-rhwm-outputs.xlsx", "statement": "Rate Period High Water Mark for the FY 2026-2028 rate period", "unit": "MWa", "unit_basis": "aMW: the RHWM sheet labels its resource column aMW (RHWM!M3) and forms this column from it by subtraction; the atlas writes aMW as MWa", "value": 526.931, "value_from": "cell", "value_text": null } ] }, "checked": "2026-09-29", "customer": { "basis": "BES id 10349 is Seattle City Light in BPA's RHWM outputs (row 106) and Provider of Choice CHWM calculation (row 109) and SEATTLE in its CDQs (row 108); EIA utility 16868, City of Seattle - (WA), is Seattle City Light, as the reviewed Commerce claimant crosswalk also links it (claimant 95)", "bpa_customer_id": 10349, "document": "Final 2026 RHWM outputs", "locator": "RHWM!C106", "name_in_source": "Seattle City Light", "source_ref": "bpa-rhwm-fy2026-final", "source_url": "https://www.bpa.gov/-/media/Aep/rates-tariff/rhwm/FY-2026-2028-RHWM-Process-Material/10012024-final-2026-rhwm-outputs.xlsx" }, "documents": [ { "document": "Fuel Mix Disclosure CY2024, Utility Fuel Mix by Fuel Category extract (sheet Report Extract, run 2025-12-10)", "published": null, "source_ref": "wa-fmd-2024-by-category", "source_url": "https://deptofcommerce.app.box.com/index.php?rm=box_download_shared_file&shared_name=l9sqx4bcfnko3omrpk4tv8n0vbzcvsdz&file_id=f_2071208725637" }, { "document": "Seattle City Light 2016 Financial Statements", "published": "2017-05-01", "source_ref": "scl-financial-statements-2016", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2016-Financials.pdf" }, { "document": "Seattle City Light 2018 Financial Statements", "published": "2019-05-20", "source_ref": "scl-financial-statements-2018", "source_url": "https://www.seattle.gov/documents/Departments/FAS/InvestorRelations/Seattle-Light-2018-Financials.pdf" }, { "document": "Seattle City Light 2021A Official Statement", "published": "2021-06-29", "source_ref": "scl-official-statement-2021a", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2021%20documents/seattle%20city%20light%202021a%20final%20os%20plus%20addendum.pdf" }, { "document": "Customer Products List (2022-12-30)", "published": "2022-12-30", "source_ref": "bpa-customer-products-2022-12-30", "source_url": "https://www.bpa.gov/-/media/Aep/power/regional-dialogue/2022-12-30-customerproductslist.pdf" }, { "document": "Seattle City Light 2022 Financial Statements", "published": "2023-05-05", "source_ref": "scl-financial-statements-2022", "source_url": "https://www.seattle.gov/documents/Departments/CityLight/Communications/2022FinancialStatement.pdf" }, { "document": "Final 2026 RHWM outputs", "published": "2024-10-01", "source_ref": "bpa-rhwm-fy2026-final", "source_url": "https://www.bpa.gov/-/media/Aep/rates-tariff/rhwm/FY-2026-2028-RHWM-Process-Material/10012024-final-2026-rhwm-outputs.xlsx" }, { "document": "Seattle City Light 2024 Financial Statements", "published": "2025-05-02", "source_ref": "scl-financial-statements-2024", "source_url": "https://www.seattle.gov/documents/Departments/CityLight/Communications/2024FinancialStatement.pdf" }, { "document": "Customer Products List (2025-10-01)", "published": "2025-10-01", "source_ref": "bpa-customer-products-2025-10-01", "source_url": "https://www.bpa.gov/-/media/Aep/power/regional-dialogue/2025-10-01-customerproductslist.pdf" }, { "document": "Seattle City Light 2025 Financial Statements", "published": "2026-04-30", "source_ref": "scl-financial-statements-2025", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2026%20documents/2025%20scl%20financial%20statements%20with%20bt%20reports.pdf" }, { "document": "Final CDQs (effective 2026-05-01)", "published": "2026-05-01", "source_ref": "bpa-cdq-20260501", "source_url": "https://www.bpa.gov/-/media/Aep/power/regional-dialogue/20260501-final-cdqs.xlsx" }, { "document": "Provider of Choice FY 2026 CHWM Calculation, final CHWMs", "published": "2026-05-28", "source_ref": "bpa-poc-chwm-fy2026-final", "source_url": "https://www.bpa.gov/-/media/Aep/power/provider-of-choice/Implementation/20260528-poc-fy-2026-chwm-calculation-final-chwms.xlsx" }, { "document": "Seattle City Light 2026A Official Statement", "published": "2026-06-23", "source_ref": "scl-official-statement-2026a", "source_url": "https://www.seattle.gov/documents/Departments/InvestorRelations/2026%20Documents/Seattle%20City%20Light%202026A%20OS.pdf" } ], "ferc_records": { "as_of": "2026-09-29", "items": [ { "as_of": "2026-09-29", "curation": { "checked": "2026-09-29", "review_after": "2027-03-29", "review_due": false, "reviewer": "claude-w68" }, "locator": "core_pudl__assn_ferc1_pudl_utilities, PUDL v2026.9.0 (438 respondents, latest report year 2025)", "qualifier": null, "quote": null, "record": "form1", "source_url": "https://s3.us-west-2.amazonaws.com/pudl.catalyst.coop/v2026.9.0/core_pudl__assn_ferc1_pudl_utilities.parquet", "statement": "Neither Seattle City Light nor BPA files FERC Form 1: no respondent in PUDL's Form 1 utility table is named Seattle, Snohomish or Bonneville. Form 1 records a purchase from BPA only on a respondent's own purchased-power schedule, so it holds none of this utility's.", "title": "FERC Form 1" }, { "as_of": "2026-09-29", "curation": { "checked": "2026-09-29", "review_after": "2027-03-29", "review_due": false, "reviewer": "claude-w68" }, "locator": "core_ferceqr__contracts and core_ferceqr__transactions, seller C002357; PUDL EQR package 2026.8.1.dev56 (Last-Modified 2026-09-02)", "qualifier": { "source_url": "https://github.com/catalyst-cooperative/pudl/issues/4928", "text": "PUDL drops about 0.6% of EQR records for CSV quoting errors, so each absence is an absence in PUDL's extract, not necessarily in FERC's filings" }, "quote": { "locator": "18 CFR 35.10b(c)(2), excluded from the Electric Quarterly Report (eCFR, current to 2026-09-25)", "source_url": "https://www.ecfr.gov/current/title-18/chapter-I/subchapter-B/part-35/subpart-A/section-35.10b", "text": "Sales by a non-public utility under a long-term, cost-based agreement required to be made to certain customers under Federal or state statute" }, "record": "eqr_seller", "source_url": "https://s3.us-west-2.amazonaws.com/pudl.catalyst.coop/ferceqr/ferceqr_parquet_datapackage.json", "statement": "BPA files the Electric Quarterly Report as seller C002357. In PUDL's extract, none of BPA's contract rows in the eight quarters read (2015q4, 2018q4, 2021q4, 2023q4, 2024q4, 2025q3, 2025q4, 2026q2) is a Regional Dialogue or Priority Firm power sale, and every transaction BPA reports to Seattle City Light from 2013q3 to 2026q2 is a short-term market sale under its market-based agreement DE-MS79-91BP93445. No document read says BPA files its Regional Dialogue sales under the exclusion below, and its filings are consistent with it. The utility's statements do not say whether those market purchases sit in their Bonneville row.", "title": "Electric Quarterly Report: BPA's filing" }, { "as_of": "2026-09-29", "curation": { "checked": "2026-09-29", "review_after": "2027-03-29", "review_due": false, "reviewer": "claude-w68" }, "locator": "August 2025 CID listing: Seattle City Light, C003474; Bonneville Power Administration, C002357", "qualifier": null, "quote": null, "record": "eqr_buyer", "source_url": "https://www.ferc.gov/sites/default/files/2025-08/August_2025_CID.xlsx", "statement": "Seattle City Light files its own Electric Quarterly Report, as a seller (C003474). The report is filed by the seller, so a purchase from BPA can appear only in BPA's filing.", "title": "Electric Quarterly Report: the utility's own" } ], "note": "Where FERC's public records stop for this account, as read on the date given, each line citing what was read. Statements only: no FERC figure enters the account." }, "kinds": { "above_rhwm": "Forecast load beyond the RHWM, which BPA does not supply at the Tier 1 rate.", "cdq": "Contract Demand Quantity: a monthly demand amount in kilowatts in the Regional Dialogue contract.", "chwm": "Contract High Water Mark: the utility's maximum eligibility for Tier 1 power under a contract, from which BPA sets each rate period's RHWM.", "disclosed_bpa_energy": "Washington's Fuel Mix Disclosure attribution of the utility's retail sales to BPA's system mix, in MWh.", "net_requirement": "The utility's load less new large single loads and its own resources, as BPA forecasts or determines it.", "product": "The power product the utility buys from BPA under a named contract, with the dates each document gives.", "purchase_cost": "What the utility reports it paid BPA for power over a period, in dollars.", "purchased_energy": "Energy the utility reports buying from BPA over a period, in MWh, or in MWa where it prints an average over the period.", "rhwm": "Rate Period High Water Mark: the most the utility may buy at BPA's Tier 1 rate in each year of a rate period, in average megawatts." }, "note": "What BPA sets (products, high water marks, demand quantities and forecasts, from BPA's own workbooks and letters), what the utility reports paying, and Washington's disclosure attribution beside them: separate quantities with separate periods, none derived from another, except the price per MWh, badged derived: the utility's BPA dollars over its BPA energy in MWh for the same period, from one document.", "product_history": [ { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2017-09-30", "evidence": [ { "as_printed": "the Block and Slice Power Sales Agreement", "assertion_id": "scl-product-slice-block", "basis": "The utility's audited note: the agreement's period began October 1, 2011 and the purchase has been Block alone since October 1, 2017, so Slice and Block until September 30, 2017. BPA's CDQ sheet records the same change (Sheet1!B150, note 10: Seattle converted from Slice/Block to Block on October 1, 2017)", "document": "Seattle City Light 2025 Financial Statements", "locator": "Note 20, Long-Term Purchased Power, Exchanges, and Transmission, Bonneville Power Administration, page 76 (PDF page 78)", "period": { "end": "2017-09-30", "kind": "contract_period", "label": "Oct 2011–Sep 2017", "start": "2011-10-01" }, "published": "2026-04-30", "source_ref": "scl-financial-statements-2025", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2026%20documents/2025%20scl%20financial%20statements%20with%20bt%20reports.pdf", "statement": "The Department purchases electric energy from the U.S. Department of Energy, Bonneville Power Administration (Bonneville) under the Block and Slice Power Sales Agreement, a 17-year contract, for the period October 1, 2011, through September 30, 2028. Effective October 1, 2017, the Department's purchase has consisted entirely of BPA's Block product." } ], "label": "Oct 2011–Sep 2017", "product": "Slice/Block", "start": "2011-10-01" }, { "contract": "regional_dialogue", "contract_label": "Regional Dialogue", "end": "2028-09-30", "evidence": [ { "as_printed": "BPA's Block product", "assertion_id": "scl-product-block", "basis": "The utility's audited note: Block alone from October 1, 2017, under the agreement that runs through September 30, 2028", "document": "Seattle City Light 2025 Financial Statements", "locator": "Note 20, Long-Term Purchased Power, Exchanges, and Transmission, Bonneville Power Administration, page 76 (PDF page 78)", "period": { "end": "2028-09-30", "kind": "contract_period", "label": "Oct 2017–Sep 2028", "start": "2017-10-01" }, "published": "2026-04-30", "source_ref": "scl-financial-statements-2025", "source_url": "https://www.seattle.gov/documents/departments/investorrelations/2026%20documents/2025%20scl%20financial%20statements%20with%20bt%20reports.pdf", "statement": "The Department purchases electric energy from the U.S. Department of Energy, Bonneville Power Administration (Bonneville) under the Block and Slice Power Sales Agreement, a 17-year contract, for the period October 1, 2011, through September 30, 2028. Effective October 1, 2017, the Department's purchase has consisted entirely of BPA's Block product." }, { "as_printed": "Block", "assertion_id": "scl-product-2022-list", "basis": "The product on the list's date", "document": "Customer Products List (2022-12-30)", "locator": "page 4, row 136", "period": { "as_of": "2022-12-30", "end": "2022-12-30", "kind": "instant", "label": "2022-12-30", "start": "2022-12-30" }, "published": "2022-12-30", "source_ref": "bpa-customer-products-2022-12-30", "source_url": "https://www.bpa.gov/-/media/Aep/power/regional-dialogue/2022-12-30-customerproductslist.pdf", "statement": "Seattle City Light — Block" }, { "as_printed": "Block", "assertion_id": "scl-product-2025-list", "basis": "The product on the list's date", "document": "Customer Products List (2025-10-01)", "locator": "page 4, row 135", "period": { "as_of": "2025-10-01", "end": "2025-10-01", "kind": "instant", "label": "2025-10-01", "start": "2025-10-01" }, "published": "2025-10-01", "source_ref": "bpa-customer-products-2025-10-01", "source_url": "https://www.bpa.gov/-/media/Aep/power/regional-dialogue/2025-10-01-customerproductslist.pdf", "statement": "Seattle City Light — Block" } ], "label": "Oct 2017–Sep 2028", "product": "Block", "start": "2017-10-01" }, { "contract": "provider_of_choice", "contract_label": "Provider of Choice", "end": "2044-09-30", "evidence": [ { "as_printed": "BPA's “Slice/Block” product", "assertion_id": "scl-product-poc-slice-block", "basis": "The utility's official statement: the next Power Sales Agreement, under Provider of Choice, runs October 1, 2028 through September 30, 2044, and City Light has elected Slice/Block for its term. BPA prices, sizes and delivers Slice/Block under that contract; the statement gives no amount", "document": "Seattle City Light 2026A Official Statement", "locator": "Power Resources and Cost of Power, BPA Power Sales Agreements and Current Power Supply Rates, page B-28 (PDF page 90)", "period": { "end": "2044-09-30", "kind": "contract_period", "label": "Oct 2028–Sep 2044", "start": "2028-10-01" }, "published": "2026-06-23", "source_ref": "scl-official-statement-2026a", "source_url": "https://www.seattle.gov/documents/Departments/InvestorRelations/2026%20Documents/Seattle%20City%20Light%202026A%20OS.pdf", "statement": "The next Power Sales Agreement, under BPA’s new Provider of Choice policy (the “POC Policy”), will be in place from October 1, 2028 through September 30, 2044. […] During the POC Contract term, City Light has elected to purchase power through BPA's “Slice/Block” product" } ], "label": "Oct 2028–Sep 2044", "product": "Slice/Block", "start": "2028-10-01" } ], "ratio_note": null, "ratios": [ { "cost": "scl-bpa-purchases-2015", "energy": "scl-bpa-energy-mwh-2015", "fact": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2015-per-mwh#supply_purchase_price@2015", "label": "BPA purchases per MWh", "locator": "scl-bpa-purchases-2015 / scl-bpa-energy-mwh-2015", "maturity": "final", "method": "derived", "metric": "supply_purchase_price", "missing_reason": null, "note": "Seattle City Light 2016 Financial Statements, one period, each figure as printed. Dollars (Note 18, table of long-term purchased power, row Long-term purchase power—Bonneville, column Expense 2015, page 69 (PDF page 73)): What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal, the subtotal of the note's Bonneville Block and Bonneville Slice rows printed above it. MWh (Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2015, page 83 (PDF page 87)): The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa. On the dollars: Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2016 and 2015 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 68, PDF page 72). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2015; it is not netted against this figure", "period": { "end": "2015-12-31", "kind": "calendar_year", "label": "CY2015", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "start": "2015-01-01", "year": 2015 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "USD/MWh", "value": 31.5 } }, { "cost": "scl-bpa-purchases-2016", "energy": "scl-bpa-energy-mwh-2016", "fact": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2016-per-mwh#supply_purchase_price@2016", "label": "BPA purchases per MWh", "locator": "scl-bpa-purchases-2016 / scl-bpa-energy-mwh-2016", "maturity": "final", "method": "derived", "metric": "supply_purchase_price", "missing_reason": null, "note": "Seattle City Light 2016 Financial Statements, one period, each figure as printed. Dollars (Note 18, table of long-term purchased power, row Long-term purchase power—Bonneville, column Expense 2016, page 69 (PDF page 73)): What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal, the subtotal of the note's Bonneville Block and Bonneville Slice rows printed above it. MWh (Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2016, page 83 (PDF page 87)): The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa. On the dollars: Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2016 and 2015 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 68, PDF page 72). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2016; it is not netted against this figure", "period": { "end": "2016-12-31", "kind": "calendar_year", "label": "CY2016", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "start": "2016-01-01", "year": 2016 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2016", "unit": "USD/MWh", "value": 31.3 } }, { "cost": "scl-bpa-purchases-2017", "energy": "scl-bpa-energy-mwh-2017", "fact": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2017-per-mwh#supply_purchase_price@2017", "label": "BPA purchases per MWh", "locator": "scl-bpa-purchases-2017 / scl-bpa-energy-mwh-2017", "maturity": "final", "method": "derived", "metric": "supply_purchase_price", "missing_reason": null, "note": "Seattle City Light 2018 Financial Statements, one period, each figure as printed. Dollars (Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2017, page 74 (PDF page 78)): What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal, the subtotal of the note's Bonneville Block and Bonneville Slice rows printed above it. MWh (Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2017, page 88 (PDF page 92)): The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa. On the dollars: Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2018 and 2017 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 73, PDF page 77). Management's discussion (unaudited), 2017 against 2016: “Bonneville costs increased largely because of changing to Block power purchases only, effective October 2017, and thereby reducing Slice power purchases. A lower Bonneville Slice true-up credit also added to the higher Bonneville costs.” (page 16, PDF page 20). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2017; it is not netted against this figure", "period": { "end": "2017-12-31", "kind": "calendar_year", "label": "CY2017", "period_end": "2018-01-01T00:00:00Z", "period_start": "2017-01-01T00:00:00Z", "start": "2017-01-01", "year": 2017 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "USD/MWh", "value": 30.7 } }, { "cost": "scl-bpa-purchases-2018", "energy": "scl-bpa-energy-mwh-2018", "fact": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2018-per-mwh#supply_purchase_price@2018", "label": "BPA purchases per MWh", "locator": "scl-bpa-purchases-2018 / scl-bpa-energy-mwh-2018", "maturity": "final", "method": "derived", "metric": "supply_purchase_price", "missing_reason": null, "note": "Seattle City Light 2018 Financial Statements, one period, each figure as printed. Dollars (Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2018, page 74 (PDF page 78)): What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. MWh (Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2018, page 88 (PDF page 92)): The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa. On the dollars: The note also prints a Bonneville Block row equal to this one and a Bonneville Slice row of “-” (Slice ended 2017-09-30); the Block row is not repeated here. Bonneville's Residential Exchange Program refunds, audited note: “The Department received $5.7 million in both 2018 and 2017 in billing credits related to both the Block and Slice agreements as a result of the Court decision.” (page 73, PDF page 77). Management's discussion (unaudited), 2018 against 2017: “Bonneville costs decreased largely because of shifting to purchase only Block power effective October 2017, and thereby reducing Slice power purchases. A final higher Bonneville Slice true-up credit also added to the lower Bonneville costs.” (page 15, PDF page 19). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.3) for 2018; it is not netted against this figure", "period": { "end": "2018-12-31", "kind": "calendar_year", "label": "CY2018", "period_end": "2019-01-01T00:00:00Z", "period_start": "2018-01-01T00:00:00Z", "start": "2018-01-01", "year": 2018 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2018", "unit": "USD/MWh", "value": 37.1 } }, { "cost": "scl-bpa-purchases-2019", "energy": "scl-bpa-energy-mwh-2019", "fact": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2019-per-mwh#supply_purchase_price@2019", "label": "BPA purchases per MWh", "locator": "scl-bpa-purchases-2019 / scl-bpa-energy-mwh-2019", "maturity": "final", "method": "derived", "metric": "supply_purchase_price", "missing_reason": null, "note": "Seattle City Light 2021A Official Statement, one period, each figure as printed. Dollars (Appendix C (2020 Audited Financial Statements), Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2019, page 78 (PDF page 286)): What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. MWh (Appendix C (2020 Audited Financial Statements), Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2019(d), page 90 (PDF page 298)): The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa. On the dollars: Bonneville's Residential Exchange Program refunds, audited note: “The Department received the final billing credit of $4.3 million in 2019 related to the Block and Slice agreement.” (page 77, PDF page 285). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.4) for 2019; it is not netted against this figure", "period": { "end": "2019-12-31", "kind": "calendar_year", "label": "CY2019", "period_end": "2020-01-01T00:00:00Z", "period_start": "2019-01-01T00:00:00Z", "start": "2019-01-01", "year": 2019 }, "precision": 1, "quality": "valid", "source_ref": "scl-official-statement-2021a", "unit": "USD/MWh", "value": 37.1 } }, { "cost": "scl-bpa-purchases-2020", "energy": "scl-bpa-energy-mwh-2020", "fact": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2020-per-mwh#supply_purchase_price@2020", "label": "BPA purchases per MWh", "locator": "scl-bpa-purchases-2020 / scl-bpa-energy-mwh-2020", "maturity": "final", "method": "derived", "metric": "supply_purchase_price", "missing_reason": null, "note": "Seattle City Light 2021A Official Statement, one period, each figure as printed. Dollars (Appendix C (2020 Audited Financial Statements), Note 19, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2020, page 78 (PDF page 286)): What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. MWh (Appendix C (2020 Audited Financial Statements), Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2020, page 90 (PDF page 298)): The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa. On the dollars: The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.4) for 2020; it is not netted against this figure", "period": { "end": "2020-12-31", "kind": "calendar_year", "label": "CY2020", "period_end": "2021-01-01T00:00:00Z", "period_start": "2020-01-01T00:00:00Z", "start": "2020-01-01", "year": 2020 }, "precision": 1, "quality": "valid", "source_ref": "scl-official-statement-2021a", "unit": "USD/MWh", "value": 37.5 } }, { "cost": "scl-bpa-purchases-2021", "energy": "scl-bpa-energy-mwh-2021", "fact": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2021-per-mwh#supply_purchase_price@2021", "label": "BPA purchases per MWh", "locator": "scl-bpa-purchases-2021 / scl-bpa-energy-mwh-2021", "maturity": "final", "method": "derived", "metric": "supply_purchase_price", "missing_reason": null, "note": "Seattle City Light 2022 Financial Statements, one period, each figure as printed. Dollars (Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2021, page 83 (PDF page 85)): What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. MWh (Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2021, page 97 (PDF page 99)): The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa. On the dollars: The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.5) for 2021; it is not netted against this figure", "period": { "end": "2021-12-31", "kind": "calendar_year", "label": "CY2021", "period_end": "2022-01-01T00:00:00Z", "period_start": "2021-01-01T00:00:00Z", "start": "2021-01-01", "year": 2021 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2022", "unit": "USD/MWh", "value": 37.6 } }, { "cost": "scl-bpa-purchases-2022", "energy": "scl-bpa-energy-mwh-2022", "fact": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2022-per-mwh#supply_purchase_price@2022", "label": "BPA purchases per MWh", "locator": "scl-bpa-purchases-2022 / scl-bpa-energy-mwh-2022", "maturity": "final", "method": "derived", "metric": "supply_purchase_price", "missing_reason": null, "note": "Seattle City Light 2022 Financial Statements, one period, each figure as printed. Dollars (Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2022, page 83 (PDF page 85)): What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. MWh (Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2022, page 97 (PDF page 99)): The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa. On the dollars: Management's discussion (unaudited), 2022 against 2021: “Long-term purchased power expenses of $150.5 million decreased by $57.0 million mostly due to BPA Power Reserves Distribution Clause credit and expiration of the Stateline Wind contract.” (page 20, PDF page 22). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.6) for 2022; it is not netted against this figure", "period": { "end": "2022-12-31", "kind": "calendar_year", "label": "CY2022", "period_end": "2023-01-01T00:00:00Z", "period_start": "2022-01-01T00:00:00Z", "start": "2022-01-01", "year": 2022 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2022", "unit": "USD/MWh", "value": 28.0 } }, { "cost": "scl-bpa-purchases-2023", "energy": "scl-bpa-energy-mwh-2023", "fact": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2023-per-mwh#supply_purchase_price@2023", "label": "BPA purchases per MWh", "locator": "scl-bpa-purchases-2023 / scl-bpa-energy-mwh-2023", "maturity": "final", "method": "derived", "metric": "supply_purchase_price", "missing_reason": null, "note": "Seattle City Light 2024 Financial Statements, one period, each figure as printed. Dollars (Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2023, page 81 (PDF page 83)): What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. MWh (Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2023, page 95 (PDF page 97)): The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa. On the dollars: Management's discussion (unaudited), 2023 against 2022: “Long-term purchased power expenses of $175.4 million increased by $24.9 million largely due to a reduced BPA Power Reserves Distribution Clause credit in 2023 by $15.7 million, and a $16.0 million increase due to BPA Block power costs.” (page 21, PDF page 23). How much of each credit reaches this row is not stated; none is netted, added or allocated. The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.7) for 2023; it is not netted against this figure", "period": { "end": "2023-12-31", "kind": "calendar_year", "label": "CY2023", "period_end": "2024-01-01T00:00:00Z", "period_start": "2023-01-01T00:00:00Z", "start": "2023-01-01", "year": 2023 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2024", "unit": "USD/MWh", "value": 34.2 } }, { "cost": "scl-bpa-purchases-2024", "energy": "scl-bpa-energy-mwh-2024", "fact": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2024-per-mwh#supply_purchase_price@2024", "label": "BPA purchases per MWh", "locator": "scl-bpa-purchases-2024 / scl-bpa-energy-mwh-2024", "maturity": "final", "method": "derived", "metric": "supply_purchase_price", "missing_reason": null, "note": "Seattle City Light 2025 Financial Statements, one period, each figure as printed. Dollars (Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2024, page 77 (PDF page 79)): What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. The operating statement's 'Long-term purchased power—Bonneville and other' (page 26) adds other suppliers and is not used. MWh (Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2024, page 92 (PDF page 94)): The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa. On the dollars: The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.6) for 2025 and (3.8) for 2024; it is not netted against this figure", "period": { "end": "2024-12-31", "kind": "calendar_year", "label": "CY2024", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-01-01T00:00:00Z", "start": "2024-01-01", "year": 2024 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2025", "unit": "USD/MWh", "value": 38.6 } }, { "cost": "scl-bpa-purchases-2025", "energy": "scl-bpa-energy-mwh-2025", "fact": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "org:eia:16868/supply/scl-bpa-purchases-2025-per-mwh#supply_purchase_price@2025", "label": "BPA purchases per MWh", "locator": "scl-bpa-purchases-2025 / scl-bpa-energy-mwh-2025", "maturity": "final", "method": "derived", "metric": "supply_purchase_price", "missing_reason": null, "note": "Seattle City Light 2025 Financial Statements, one period, each figure as printed. Dollars (Note 20, table of long-term purchased power, row Long-term purchased power-Bonneville, column Expense 2025, page 77 (PDF page 79)): What the utility's audited note reports as its expense for power purchased from BPA in the calendar year, in millions of dollars to one decimal. The operating statement's 'Long-term purchased power—Bonneville and other' (page 26) adds other suppliers and is not used. MWh (Other Information (unaudited), Historical Energy Resources (in MWh), Energy Purchases, row Bonneville, column 2025, page 92 (PDF page 94)): The energy the utility reports buying from BPA in the calendar year, from the report's unaudited statistics; the audited note gives the same year's energy only as an average in MWa. On the dollars: The table prints a separate row, 'Bonneville South Fork Tolt billing credit', (3.6) for 2025 and (3.8) for 2024; it is not netted against this figure", "period": { "end": "2025-12-31", "kind": "calendar_year", "label": "CY2025", "period_end": "2026-01-01T00:00:00Z", "period_start": "2025-01-01T00:00:00Z", "start": "2025-01-01", "year": 2025 }, "precision": 1, "quality": "valid", "source_ref": "scl-financial-statements-2025", "unit": "USD/MWh", "value": 37.8 } } ], "review_due": 0, "rules": [ "An entitlement is not a delivery and neither is a payment: an RHWM or CHWM in MWa caps what may be bought at the Tier 1 rate, a CDQ in kW is a monthly demand amount, a net requirement is load less resources, and dollars are what the utility reports it paid. None is added to, subtracted from or divided by another.", "BPA's fiscal year runs October to September, a rate period is several fiscal years, the utility reports calendar years, and the Provider of Choice CHWM governs a contract period that has not begun. Figures of different periods are shown with their periods and never compared as if they covered the same time.", "The product changed on the dates in the history: a figure names the products in force during its period, and one that spans a change says so.", "Where the utility's note splits a year's BPA row into Block and Slice rows, each is a component of that year's purchase, not a product bought on its own: shown beneath the year's row, never added to it and never priced per MWh.", "Credits from BPA (refunds, true-ups, reserve distributions) are quoted on the years the utility ties them to its BPA cost. None is netted, added or allocated, so a year's price per MWh is the utility's expense over its energy, including whatever it netted, and not a rate BPA charged.", "The Fuel Mix Disclosure's BPA megawatt-hours are Commerce's attribution of the utility's Washington retail sales to BPA's system mix. They sit beside these figures and are not delivered energy, and they are not reconciled with BPA's quantities or the utility's dollars.", "A price per MWh is derived only where the utility publishes its BPA energy in MWh for the same period in the same document as the dollars. An average in MWa is shown as printed and never multiplied by hours into MWh.", "No cost is modeled from BPA's rate schedules: rates times these quantities would be an estimate, not a published figure." ], "source_ref": "supply-accounts", "supplier": { "entity_type": null, "entity_type_label": null, "id": "org:eia:1738", "name": "Bonneville Power Administration" }, "title": "Federal supply (BPA)" }, "tariffs": { "available": true, "net_metering": [ { "basic_charge_basis": null, "basic_charge_usd": null, "credit_rule": "The statutory rule applies: excess kilowatt-hours carry forward as a credit and any balance is granted to the utility each year. Export is not permitted in the utility's network areas, most of downtown Seattle and parts of First Hill, South Lake Union and the University District, so net metering is unavailable there", "effective_date": null, "energy_charge": null, "issued_date": null, "note": "A municipal utility publishes no numbered net-metering schedule; the terms come from the statute and the utility's own service pages, and no effective date is stated", "regulator": "Seattle City Council (SMC 21.49); state statute RCW 80.60", "retrieved_on": "2026-09-18", "riders": null, "schedule": "RCW 80.60", "schedule_name": "Net metering of electricity", "source_format": "html", "source_url": "https://www.seattle.gov/city-light/construction-services/apply-for-new-or-upgraded-service/solar-installation", "state": "WA", "tariff_id": "scl-netmeter", "urdb_start_date": null, "urdb_uri": null } ], "note": "The price on the utility's own sheet on the date it was read, with the adjustment schedules it names listed beside it and never added in. It is not a bill, and it is not the realized average revenue per kWh that EIA-861 reports above: the two answer different questions.", "residential": [ { "basic_charge_basis": "per day, Seattle and Renton; 0.4197 to 0.4262 in the other suburban jurisdictions", "basic_charge_usd": 0.3945, "bill_cases": [ { "adjustment_lines": [], "case_id": "kwh-600", "days": 30, "effective_average": { "basis": "Schedule charges only. The case total divided by its kWh: a computed sheet price that includes the fixed charge, not the realized average revenue per kWh that EIA-861 reports. An illustrative customer: 600 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-600/all#bill_effective_average_cents_per_kwh", "label": "Computed sheet price per kWh, fixed charge included", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-600; season=all", "maturity": "final", "method": "derived", "metric": "bill_effective_average_cents_per_kwh", "missing_reason": null, "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 2, "quality": "valid", "source_ref": "retail-tariffs", "unit": "cents/kWh", "value": 15.3533 }, "exclusions": [ { "basis": null, "component": "excluded", "locator": "SMC 21.49.081 Automatic BPA cost adjustment, printed where Ordinance 127473 Section 10 repeals it; PDF pp. 46-47", "name": "Automatic BPA cost adjustment", "note": "In force until its repeal takes effect on January 1, 2027 (Ordinance 127473 Section 15): after a BPA rate change that moves the utility's BPA cost by more than $1.5 million, energy charges in all rate schedules move by one fixed per-kWh amount for 12 months; no price on the rates page", "priced_on_sheet": false, "rate_unit": null, "rate_usd": null, "reviewer": "claude-w68", "season": "all", "season_definition": null, "source_url": "https://clerk.seattle.gov/~archives/Ordinances/Ord_127473.pdf", "tier_from_kwh": null, "tier_to_kwh": null, "variant": null, "verified_on": "2026-09-28" } ], "kwh": 600.0, "lines": [ { "amount_usd": 11.84, "component": "basic", "name": "Base service charge", "quantity": 30.0, "rate_unit": "USD/day", "rate_usd": 0.3945, "tier_from_kwh": null, "tier_to_kwh": null, "unit": "day" }, { "amount_usd": 80.28, "component": "energy", "name": "Energy", "quantity": 600.0, "rate_unit": "USD/kWh", "rate_usd": 0.1338, "tier_from_kwh": 0.0, "tier_to_kwh": null, "unit": "kWh" } ], "marginal_rate": { "basis": "Schedule charges only. The sheet's price for the last kWh used: the rate of the highest tier reached, summed over the sheet's per-kWh charges. An illustrative customer: 600 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-600/all#bill_marginal_rate_usd_per_kwh", "label": "Sheet price of the last kWh used", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-600; season=all", "maturity": "final", "method": "derived", "metric": "bill_marginal_rate_usd_per_kwh", "missing_reason": null, "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 6, "quality": "valid", "source_ref": "retail-tariffs", "unit": "USD/kWh", "value": 0.1338 }, "marginal_rate_with_priced_adjustments": { "basis": "The sheet prices no per-kWh adjustment for this case, so there is no second figure; it is never the schedule figure under another name. An illustrative customer: 600 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-600/all#bill_marginal_rate_with_priced_adjustments_usd_per_kwh", "label": "Sheet price of the last kWh used, with the per-kWh adjustments the sheet prices", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-600; season=all", "maturity": "final", "method": "derived", "metric": "bill_marginal_rate_with_priced_adjustments_usd_per_kwh", "missing_reason": "no_adjustment_priced_on_sheet", "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 6, "quality": "not_applicable", "source_ref": "retail-tariffs", "unit": "USD/kWh", "value": null }, "season": "all", "season_definition": null, "total": { "basis": "Schedule charges only. Sum of the lines: the sheet's fixed charge plus its energy charge by tier, each line rounded to the cent. An illustrative customer: 600 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-600/all#bill_total_usd", "label": "Computed bill on the published sheet", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-600; season=all", "maturity": "final", "method": "derived", "metric": "bill_total_usd", "missing_reason": null, "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 2, "quality": "valid", "source_ref": "retail-tariffs", "unit": "USD", "value": 92.12 }, "total_with_priced_adjustments": { "basis": "The sheet prices no adjustment for this case, so there is no second figure; it is never the schedule figure under another name. An illustrative customer: 600 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-600/all#bill_total_with_priced_adjustments_usd", "label": "Computed bill with the adjustments the sheet prices", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-600; season=all", "maturity": "final", "method": "derived", "metric": "bill_total_with_priced_adjustments_usd", "missing_reason": "no_adjustment_priced_on_sheet", "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 2, "quality": "not_applicable", "source_ref": "retail-tariffs", "unit": "USD", "value": null }, "variant": "Seattle" }, { "adjustment_lines": [], "case_id": "kwh-900", "days": 30, "effective_average": { "basis": "Schedule charges only. The case total divided by its kWh: a computed sheet price that includes the fixed charge, not the realized average revenue per kWh that EIA-861 reports. An illustrative customer: 900 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-900/all#bill_effective_average_cents_per_kwh", "label": "Computed sheet price per kWh, fixed charge included", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-900; season=all", "maturity": "final", "method": "derived", "metric": "bill_effective_average_cents_per_kwh", "missing_reason": null, "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 2, "quality": "valid", "source_ref": "retail-tariffs", "unit": "cents/kWh", "value": 14.6956 }, "exclusions": [ { "basis": null, "component": "excluded", "locator": "SMC 21.49.081 Automatic BPA cost adjustment, printed where Ordinance 127473 Section 10 repeals it; PDF pp. 46-47", "name": "Automatic BPA cost adjustment", "note": "In force until its repeal takes effect on January 1, 2027 (Ordinance 127473 Section 15): after a BPA rate change that moves the utility's BPA cost by more than $1.5 million, energy charges in all rate schedules move by one fixed per-kWh amount for 12 months; no price on the rates page", "priced_on_sheet": false, "rate_unit": null, "rate_usd": null, "reviewer": "claude-w68", "season": "all", "season_definition": null, "source_url": "https://clerk.seattle.gov/~archives/Ordinances/Ord_127473.pdf", "tier_from_kwh": null, "tier_to_kwh": null, "variant": null, "verified_on": "2026-09-28" } ], "kwh": 900.0, "lines": [ { "amount_usd": 11.84, "component": "basic", "name": "Base service charge", "quantity": 30.0, "rate_unit": "USD/day", "rate_usd": 0.3945, "tier_from_kwh": null, "tier_to_kwh": null, "unit": "day" }, { "amount_usd": 120.42, "component": "energy", "name": "Energy", "quantity": 900.0, "rate_unit": "USD/kWh", "rate_usd": 0.1338, "tier_from_kwh": 0.0, "tier_to_kwh": null, "unit": "kWh" } ], "marginal_rate": { "basis": "Schedule charges only. The sheet's price for the last kWh used: the rate of the highest tier reached, summed over the sheet's per-kWh charges. An illustrative customer: 900 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-900/all#bill_marginal_rate_usd_per_kwh", "label": "Sheet price of the last kWh used", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-900; season=all", "maturity": "final", "method": "derived", "metric": "bill_marginal_rate_usd_per_kwh", "missing_reason": null, "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 6, "quality": "valid", "source_ref": "retail-tariffs", "unit": "USD/kWh", "value": 0.1338 }, "marginal_rate_with_priced_adjustments": { "basis": "The sheet prices no per-kWh adjustment for this case, so there is no second figure; it is never the schedule figure under another name. An illustrative customer: 900 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-900/all#bill_marginal_rate_with_priced_adjustments_usd_per_kwh", "label": "Sheet price of the last kWh used, with the per-kWh adjustments the sheet prices", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-900; season=all", "maturity": "final", "method": "derived", "metric": "bill_marginal_rate_with_priced_adjustments_usd_per_kwh", "missing_reason": "no_adjustment_priced_on_sheet", "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 6, "quality": "not_applicable", "source_ref": "retail-tariffs", "unit": "USD/kWh", "value": null }, "season": "all", "season_definition": null, "total": { "basis": "Schedule charges only. Sum of the lines: the sheet's fixed charge plus its energy charge by tier, each line rounded to the cent. An illustrative customer: 900 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-900/all#bill_total_usd", "label": "Computed bill on the published sheet", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-900; season=all", "maturity": "final", "method": "derived", "metric": "bill_total_usd", "missing_reason": null, "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 2, "quality": "valid", "source_ref": "retail-tariffs", "unit": "USD", "value": 132.26 }, "total_with_priced_adjustments": { "basis": "The sheet prices no adjustment for this case, so there is no second figure; it is never the schedule figure under another name. An illustrative customer: 900 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-900/all#bill_total_with_priced_adjustments_usd", "label": "Computed bill with the adjustments the sheet prices", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-900; season=all", "maturity": "final", "method": "derived", "metric": "bill_total_with_priced_adjustments_usd", "missing_reason": "no_adjustment_priced_on_sheet", "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 2, "quality": "not_applicable", "source_ref": "retail-tariffs", "unit": "USD", "value": null }, "variant": "Seattle" }, { "adjustment_lines": [], "case_id": "kwh-1200", "days": 30, "effective_average": { "basis": "Schedule charges only. The case total divided by its kWh: a computed sheet price that includes the fixed charge, not the realized average revenue per kWh that EIA-861 reports. An illustrative customer: 1200 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-1200/all#bill_effective_average_cents_per_kwh", "label": "Computed sheet price per kWh, fixed charge included", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-1200; season=all", "maturity": "final", "method": "derived", "metric": "bill_effective_average_cents_per_kwh", "missing_reason": null, "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 2, "quality": "valid", "source_ref": "retail-tariffs", "unit": "cents/kWh", "value": 14.3667 }, "exclusions": [ { "basis": null, "component": "excluded", "locator": "SMC 21.49.081 Automatic BPA cost adjustment, printed where Ordinance 127473 Section 10 repeals it; PDF pp. 46-47", "name": "Automatic BPA cost adjustment", "note": "In force until its repeal takes effect on January 1, 2027 (Ordinance 127473 Section 15): after a BPA rate change that moves the utility's BPA cost by more than $1.5 million, energy charges in all rate schedules move by one fixed per-kWh amount for 12 months; no price on the rates page", "priced_on_sheet": false, "rate_unit": null, "rate_usd": null, "reviewer": "claude-w68", "season": "all", "season_definition": null, "source_url": "https://clerk.seattle.gov/~archives/Ordinances/Ord_127473.pdf", "tier_from_kwh": null, "tier_to_kwh": null, "variant": null, "verified_on": "2026-09-28" } ], "kwh": 1200.0, "lines": [ { "amount_usd": 11.84, "component": "basic", "name": "Base service charge", "quantity": 30.0, "rate_unit": "USD/day", "rate_usd": 0.3945, "tier_from_kwh": null, "tier_to_kwh": null, "unit": "day" }, { "amount_usd": 160.56, "component": "energy", "name": "Energy", "quantity": 1200.0, "rate_unit": "USD/kWh", "rate_usd": 0.1338, "tier_from_kwh": 0.0, "tier_to_kwh": null, "unit": "kWh" } ], "marginal_rate": { "basis": "Schedule charges only. The sheet's price for the last kWh used: the rate of the highest tier reached, summed over the sheet's per-kWh charges. An illustrative customer: 1200 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-1200/all#bill_marginal_rate_usd_per_kwh", "label": "Sheet price of the last kWh used", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-1200; season=all", "maturity": "final", "method": "derived", "metric": "bill_marginal_rate_usd_per_kwh", "missing_reason": null, "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 6, "quality": "valid", "source_ref": "retail-tariffs", "unit": "USD/kWh", "value": 0.1338 }, "marginal_rate_with_priced_adjustments": { "basis": "The sheet prices no per-kWh adjustment for this case, so there is no second figure; it is never the schedule figure under another name. An illustrative customer: 1200 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-1200/all#bill_marginal_rate_with_priced_adjustments_usd_per_kwh", "label": "Sheet price of the last kWh used, with the per-kWh adjustments the sheet prices", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-1200; season=all", "maturity": "final", "method": "derived", "metric": "bill_marginal_rate_with_priced_adjustments_usd_per_kwh", "missing_reason": "no_adjustment_priced_on_sheet", "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 6, "quality": "not_applicable", "source_ref": "retail-tariffs", "unit": "USD/kWh", "value": null }, "season": "all", "season_definition": null, "total": { "basis": "Schedule charges only. Sum of the lines: the sheet's fixed charge plus its energy charge by tier, each line rounded to the cent. An illustrative customer: 1200 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-1200/all#bill_total_usd", "label": "Computed bill on the published sheet", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-1200; season=all", "maturity": "final", "method": "derived", "metric": "bill_total_usd", "missing_reason": null, "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 2, "quality": "valid", "source_ref": "retail-tariffs", "unit": "USD", "value": 172.4 }, "total_with_priced_adjustments": { "basis": "The sheet prices no adjustment for this case, so there is no second figure; it is never the schedule figure under another name. An illustrative customer: 1200 kWh over 30 days on 2026 rates effective 2026-01-01, Seattle. Not added: Automatic BPA cost adjustment, and any tax or adjustment the sheet does not print.", "coverage": null, "denominator": null, "evidence": "modeled", "fact_id": "org:eia:16868/tariff/scl-res-2026/kwh-1200/all#bill_total_with_priced_adjustments_usd", "label": "Computed bill with the adjustments the sheet prices", "locator": "retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-1200; season=all", "maturity": "final", "method": "derived", "metric": "bill_total_with_priced_adjustments_usd", "missing_reason": "no_adjustment_priced_on_sheet", "note": null, "period": { "as_of": "2026-01-01", "kind": "instant", "note": "Effective date of the tariff sheet the case is priced on" }, "precision": 2, "quality": "not_applicable", "source_ref": "retail-tariffs", "unit": "USD", "value": null }, "variant": "Seattle" } ], "components": [ { "basis": "per_day", "component": "basic", "locator": "Current Residential Rates, table Flat Rate Pricing, row Base service charge per day, column Seattle", "name": "Base service charge", "note": "The page is headed Current Residential Rates and prints no effective date; it states the 4 percent Rate Stabilization Account surcharge was removed on April 1, 2026", "rate_unit": "USD/day", "rate_usd": 0.3945, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": null, "tier_to_kwh": null, "variant": "Seattle", "verified_on": "2026-09-21" }, { "basis": "per_day", "component": "basic", "locator": "Current Residential Rates, table Flat Rate Pricing, row Base service charge per day, column Burien, SeaTac, Shoreline, Uninc. King County", "name": "Base service charge", "note": null, "rate_unit": "USD/day", "rate_usd": 0.4261, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": null, "tier_to_kwh": null, "variant": "Burien, SeaTac, Shoreline, Uninc. King County", "verified_on": "2026-09-21" }, { "basis": "per_day", "component": "basic", "locator": "Current Residential Rates, table Flat Rate Pricing, row Base service charge per day, column Lake Forest Park", "name": "Base service charge", "note": null, "rate_unit": "USD/day", "rate_usd": 0.4262, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": null, "tier_to_kwh": null, "variant": "Lake Forest Park", "verified_on": "2026-09-21" }, { "basis": "per_day", "component": "basic", "locator": "Current Residential Rates, table Flat Rate Pricing, row Base service charge per day, column Normandy Park", "name": "Base service charge", "note": null, "rate_unit": "USD/day", "rate_usd": 0.4197, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": null, "tier_to_kwh": null, "variant": "Normandy Park", "verified_on": "2026-09-21" }, { "basis": "per_day", "component": "basic", "locator": "Current Residential Rates, table Flat Rate Pricing, row Base service charge per day, column Tukwila", "name": "Base service charge", "note": null, "rate_unit": "USD/day", "rate_usd": 0.4229, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": null, "tier_to_kwh": null, "variant": "Tukwila", "verified_on": "2026-09-21" }, { "basis": "per_day", "component": "basic", "locator": "Current Residential Rates, table Flat Rate Pricing, row Base service charge per day, column Renton", "name": "Base service charge", "note": null, "rate_unit": "USD/day", "rate_usd": 0.3945, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": null, "tier_to_kwh": null, "variant": "Renton", "verified_on": "2026-09-21" }, { "basis": "per_kwh", "component": "energy", "locator": "Current Residential Rates, table Flat Rate Pricing, row Energy per kWh, column Seattle", "name": "Energy", "note": "On the Flat Rate all kWh are charged the same rate", "rate_unit": "USD/kWh", "rate_usd": 0.1338, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": 0.0, "tier_to_kwh": null, "variant": "Seattle", "verified_on": "2026-09-21" }, { "basis": "per_kwh", "component": "energy", "locator": "Current Residential Rates, table Flat Rate Pricing, row Energy per kWh, column Burien, SeaTac, Shoreline, Uninc. King County", "name": "Energy", "note": null, "rate_unit": "USD/kWh", "rate_usd": 0.1464, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": 0.0, "tier_to_kwh": null, "variant": "Burien, SeaTac, Shoreline, Uninc. King County", "verified_on": "2026-09-21" }, { "basis": "per_kwh", "component": "energy", "locator": "Current Residential Rates, table Flat Rate Pricing, row Energy per kWh, column Lake Forest Park", "name": "Energy", "note": null, "rate_unit": "USD/kWh", "rate_usd": 0.1465, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": 0.0, "tier_to_kwh": null, "variant": "Lake Forest Park", "verified_on": "2026-09-21" }, { "basis": "per_kwh", "component": "energy", "locator": "Current Residential Rates, table Flat Rate Pricing, row Energy per kWh, column Normandy Park", "name": "Energy", "note": null, "rate_unit": "USD/kWh", "rate_usd": 0.1443, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": 0.0, "tier_to_kwh": null, "variant": "Normandy Park", "verified_on": "2026-09-21" }, { "basis": "per_kwh", "component": "energy", "locator": "Current Residential Rates, table Flat Rate Pricing, row Energy per kWh, column Tukwila", "name": "Energy", "note": null, "rate_unit": "USD/kWh", "rate_usd": 0.1453, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": 0.0, "tier_to_kwh": null, "variant": "Tukwila", "verified_on": "2026-09-21" }, { "basis": "per_kwh", "component": "energy", "locator": "Current Residential Rates, table Flat Rate Pricing, row Energy per kWh, column Renton", "name": "Energy", "note": null, "rate_unit": "USD/kWh", "rate_usd": 0.1356, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": 0.0, "tier_to_kwh": null, "variant": "Renton", "verified_on": "2026-09-21" } ], "components_missing_note": null, "components_missing_reason": null, "credit_rule": null, "effective_date": "2026-01-01", "energy_charge": "0.1338 USD/kWh, all kWh in Seattle (0.1356 to 0.1465 in suburban jurisdictions)", "exclusions": [ { "basis": "per_kwh", "component": "excluded", "locator": "Residential Undergrounding Rates, tables Burien and Shoreline", "name": "Residential Undergrounding Rates", "note": "Charged to customers in Burien (0.0013 or 0.0037 USD/kWh by street project) and Shoreline (0.0005 to 0.0022 USD/kWh by street project) only; the rate depends on the project area, so none is carried here", "priced_on_sheet": false, "rate_unit": "USD/kWh", "rate_usd": null, "reviewer": "claude-w64", "season": "all", "season_definition": null, "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "tier_from_kwh": null, "tier_to_kwh": null, "variant": "Burien, SeaTac, Shoreline, Uninc. King County", "verified_on": "2026-09-21" }, { "basis": null, "component": "excluded", "locator": "SMC 21.49.081 Automatic BPA cost adjustment, printed where Ordinance 127473 Section 10 repeals it; PDF pp. 46-47", "name": "Automatic BPA cost adjustment", "note": "In force until its repeal takes effect on January 1, 2027 (Ordinance 127473 Section 15): after a BPA rate change that moves the utility's BPA cost by more than $1.5 million, energy charges in all rate schedules move by one fixed per-kWh amount for 12 months; no price on the rates page", "priced_on_sheet": false, "rate_unit": null, "rate_usd": null, "reviewer": "claude-w68", "season": "all", "season_definition": null, "source_url": "https://clerk.seattle.gov/~archives/Ordinances/Ord_127473.pdf", "tier_from_kwh": null, "tier_to_kwh": null, "variant": null, "verified_on": "2026-09-28" } ], "issued_date": null, "note": "Rates set by council ordinance; the 2026 schedule is flat, replacing the earlier block above a threshold", "regulator": "Seattle City Council (SMC 21.49)", "retrieved_on": "2026-09-18", "riders": "undergrounding charge by jurisdiction; the 4 percent rate stabilisation surcharge was removed 2026-04-01", "schedule": "2026 rates", "schedule_name": "Residential Service, flat rate", "sheet_examples": [], "source_format": "html", "source_url": "https://www.seattle.gov/city-light/residential-services/billing-information/rates", "state": "WA", "tariff_id": "scl-res-2026", "urdb_start_date": "2025-01-01", "urdb_uri": "https://apps.openei.org/IURDB/rate/view/699ca2fe5dd0617814" } ], "source_ref": "retail-tariffs", "utility_name": "Seattle City Light" }, "territories": [ { "id": "territory:waecy:54", "name": "Seattle City Light", "relation": "reviewed", "source_ref": "wa-ecology-territories" } ], "type": "org", "updated_reason": null }