Entity org:eia:16868 · release 20260929T050546Z-51ae0f7d3c78 · schema 1.41.0. Immutable citation page; values as published in this release. Current pages may be newer.
| Fact | Value | Unit | Period | Evidence / method | Quality | Source and locator |
|---|---|---|---|---|---|---|
| Operated nameplate capacity, operating generators | 2,046.2 | MW | 2024 | reported / derived | valid | pudl-generators out_eia__yearly_utilities.parquet; report_date=2024-01-01; utility_id_eia=16868 |
| Owned nameplate capacity, operating generators | 2,046.2 | MW | 2024 | reported / derived | valid | pudl-ownership out_eia__yearly_utilities.parquet; report_date=2024-01-01; utility_id_eia=16868 |
| Retail sales | 4,954,390 | MWh | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Retail customers | 52,473 | count | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Retail revenue | 583,327,900 | USD | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Average revenue per kWh sold | 11.77 | cents/kWh | 2024 | reported / derived | valid | pudl-retail-sales 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 |
| Retail sales | 693,409 | MWh | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Retail customers | 58 | count | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Retail revenue | 69,995,600 | USD | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Average revenue per kWh sold | 10.09 | cents/kWh | 2024 | reported / derived | valid | pudl-retail-sales 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 |
| Retail sales | 3,317,659 | MWh | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Retail customers | 459,964 | count | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Retail revenue | 467,404,300 | USD | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Average revenue per kWh sold | 14.09 | cents/kWh | 2024 | reported / derived | valid | pudl-retail-sales 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 |
| Retail sales | 76,818 | MWh | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Retail customers | 3 | count | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Retail revenue | 8,705,200 | USD | 2024 | reported / direct | valid | pudl-retail-sales 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 |
| Average revenue per kWh sold | 11.33 | cents/kWh | 2024 | reported / derived | valid | pudl-retail-sales 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 |
| Rate Period High Water Mark for the FY 2026-2028 rate period | 526.931 | MWa | FY2026–FY2028 rate period (Oct 2025–Sep 2028) | reported / direct | valid | bpa-rhwm-fy2026-final scl-rhwm-fy2026-2028; Final 2026 RHWM outputs; RHWM!S106 |
| Regional Dialogue Contract High Water Mark as used for the FY 2026-2028 RHWMs | 531.727 | MWa | FY2026–FY2028 rate period (Oct 2025–Sep 2028) | reported / direct | valid | bpa-rhwm-fy2026-final scl-chwm-rd-2026; Final 2026 RHWM outputs; RHWM!F106 |
| Provider of Choice Contract High Water Mark, final as published 2026-05-28 | 569.617 | MWa | Oct 2028–Sep 2044 | reported / direct | valid | bpa-poc-chwm-fy2026-final scl-chwm-poc-final; Provider of Choice FY 2026 CHWM Calculation, final CHWMs; Calculation!O109 |
| Forecast total retail load less new large single loads and existing resources, FY2026 | 500.021 | MWa | FY2026 (Oct 2025–Sep 2026) | modeled / direct | valid | bpa-rhwm-fy2026-final scl-net-requirement-fy2026; Final 2026 RHWM outputs; RHWM!P106 |
| Forecast total retail load less new large single loads and existing resources, FY2027 | 513.844 | MWa | FY2027 (Oct 2026–Sep 2027) | modeled / direct | valid | bpa-rhwm-fy2026-final scl-net-requirement-fy2027; Final 2026 RHWM outputs; RHWM!Q106 |
| Forecast total retail load less new large single loads and existing resources, FY2028 | 530.370 | MWa | FY2028 (Oct 2027–Sep 2028) | modeled / direct | valid | bpa-rhwm-fy2026-final scl-net-requirement-fy2028; Final 2026 RHWM outputs; RHWM!R106 |
| Load BPA forecast above the RHWM, FY2026 | 0.000 | MWa | FY2026 (Oct 2025–Sep 2026) | modeled / direct | valid | bpa-rhwm-fy2026-final scl-above-rhwm-fy2026; Final 2026 RHWM outputs; AboveRHWMLoad!J106 |
| Load BPA forecast above the RHWM, FY2027 | 0.000 | MWa | FY2027 (Oct 2026–Sep 2027) | modeled / direct | valid | bpa-rhwm-fy2026-final scl-above-rhwm-fy2027; Final 2026 RHWM outputs; AboveRHWMLoad!K106 |
| Load BPA forecast above the RHWM, FY2028 | 3.439 | MWa | FY2028 (Oct 2027–Sep 2028) | modeled / direct | valid | bpa-rhwm-fy2026-final scl-above-rhwm-fy2028; Final 2026 RHWM outputs; AboveRHWMLoad!L106 |
| Contract Demand Quantity, October | 175,792 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-october; Final CDQs (effective 2026-05-01); Sheet1!D108 |
| Contract Demand Quantity, November | 206,482 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-november; Final CDQs (effective 2026-05-01); Sheet1!E108 |
| Contract Demand Quantity, December | 163,255 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-december; Final CDQs (effective 2026-05-01); Sheet1!F108 |
| Contract Demand Quantity, January | 146,783 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-january; Final CDQs (effective 2026-05-01); Sheet1!G108 |
| Contract Demand Quantity, February | 134,681 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-february; Final CDQs (effective 2026-05-01); Sheet1!H108 |
| Contract Demand Quantity, March | 116,598 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-march; Final CDQs (effective 2026-05-01); Sheet1!I108 |
| Contract Demand Quantity, April | 160,576 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-april; Final CDQs (effective 2026-05-01); Sheet1!J108 |
| Contract Demand Quantity, May | 114,265 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-may; Final CDQs (effective 2026-05-01); Sheet1!K108 |
| Contract Demand Quantity, June | 170,889 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-june; Final CDQs (effective 2026-05-01); Sheet1!L108 |
| Contract Demand Quantity, July | 159,025 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-july; Final CDQs (effective 2026-05-01); Sheet1!M108 |
| Contract Demand Quantity, August | 102,818 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-august; Final CDQs (effective 2026-05-01); Sheet1!N108 |
| Contract Demand Quantity, September | 63,360 | kW | 2026-05-01 | reported / direct | valid | bpa-cdq-20260501 scl-cdq-september; Final CDQs (effective 2026-05-01); Sheet1!O108 |
| Power purchased from BPA | 156,500,000 | USD | CY2015 | reported / curated | valid | scl-financial-statements-2016 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) |
| Power purchased from BPA, Block component | 78,700,000 | USD | CY2015 | reported / curated | valid | scl-financial-statements-2016 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) |
| Power purchased from BPA, Slice component | 77,800,000 | USD | CY2015 | reported / curated | valid | scl-financial-statements-2016 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) |
| Power purchased from BPA | 160,700,000 | USD | CY2016 | reported / curated | valid | scl-financial-statements-2016 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) |
| Power purchased from BPA, Block component | 80,000,000 | USD | CY2016 | reported / curated | valid | scl-financial-statements-2016 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) |
| Power purchased from BPA, Slice component | 80,700,000 | USD | CY2016 | reported / curated | valid | scl-financial-statements-2016 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) |
| Power purchased from BPA | 168,100,000 | USD | CY2017 | reported / curated | valid | scl-financial-statements-2018 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) |
| Power purchased from BPA, Block component | 103,800,000 | USD | CY2017 | reported / curated | valid | scl-financial-statements-2018 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) |
| Power purchased from BPA, Slice component | 64,300,000 | USD | CY2017 | reported / curated | valid | scl-financial-statements-2018 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) |
| Power purchased from BPA | 164,700,000 | USD | CY2018 | reported / curated | valid | scl-financial-statements-2018 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) |
| Power purchased from BPA | 162,900,000 | USD | CY2019 | reported / curated | valid | scl-official-statement-2021a 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) |
| Power purchased from BPA | 161,100,000 | USD | CY2020 | reported / curated | valid | scl-official-statement-2021a 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) |
| Power purchased from BPA | 154,700,000 | USD | CY2021 | reported / curated | valid | scl-financial-statements-2022 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) |
| Power purchased from BPA | 106,500,000 | USD | CY2022 | reported / curated | valid | scl-financial-statements-2022 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) |
| Power purchased from BPA | 138,200,000 | USD | CY2023 | reported / curated | valid | scl-financial-statements-2024 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) |
| Power purchased from BPA | 165,100,000 | USD | CY2024 | reported / curated | valid | scl-financial-statements-2025 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) |
| Power purchased from BPA | 163,400,000 | USD | CY2025 | reported / curated | valid | scl-financial-statements-2025 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) |
| Energy purchased from BPA, average | 567.6 | MWa | CY2015 | reported / curated | valid | scl-financial-statements-2016 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) |
| Energy purchased from BPA, average, Block component | 269.8 | MWa | CY2015 | reported / curated | valid | scl-financial-statements-2016 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) |
| Energy purchased from BPA, average, Slice component | 297.8 | MWa | CY2015 | reported / curated | valid | scl-financial-statements-2016 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) |
| Energy purchased from BPA | 4,971,459 | MWh | CY2015 | reported / curated | valid | scl-financial-statements-2016 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) |
| Energy purchased from BPA, average | 585.0 | MWa | CY2016 | reported / curated | valid | scl-financial-statements-2016 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) |
| Energy purchased from BPA, average, Block component | 264.7 | MWa | CY2016 | reported / curated | valid | scl-financial-statements-2016 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) |
| Energy purchased from BPA, average, Slice component | 320.3 | MWa | CY2016 | reported / curated | valid | scl-financial-statements-2016 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) |
| Energy purchased from BPA | 5,138,417 | MWh | CY2016 | reported / curated | valid | scl-financial-statements-2016 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) |
| Energy purchased from BPA, average | 625.9 | MWa | CY2017 | reported / curated | valid | scl-financial-statements-2018 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) |
| Energy purchased from BPA, average, Block component | 347.7 | MWa | CY2017 | reported / curated | valid | scl-financial-statements-2018 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) |
| Energy purchased from BPA, average, Slice component | 278.2 | MWa | CY2017 | reported / curated | valid | scl-financial-statements-2018 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) |
| Energy purchased from BPA | 5,482,904 | MWh | CY2017 | reported / curated | valid | scl-financial-statements-2018 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) |
| Energy purchased from BPA, average | 506.4 | MWa | CY2018 | reported / curated | valid | scl-financial-statements-2018 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) |
| Energy purchased from BPA | 4,435,838 | MWh | CY2018 | reported / curated | valid | scl-financial-statements-2018 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) |
| Energy purchased from BPA, average | 501.0 | MWa | CY2019 | reported / curated | valid | scl-official-statement-2021a 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) |
| Energy purchased from BPA | 4,388,973 | MWh | CY2019 | reported / curated | valid | scl-official-statement-2021a 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) |
| Energy purchased from BPA, average | 489.4 | MWa | CY2020 | reported / curated | valid | scl-official-statement-2021a 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) |
| Energy purchased from BPA | 4,299,280 | MWh | CY2020 | reported / curated | valid | scl-official-statement-2021a 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) |
| Energy purchased from BPA, average | 470.2 | MWa | CY2021 | reported / curated | valid | scl-financial-statements-2022 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) |
| Energy purchased from BPA | 4,119,204 | MWh | CY2021 | reported / curated | valid | scl-financial-statements-2022 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) |
| Energy purchased from BPA, average | 434.3 | MWa | CY2022 | reported / curated | valid | scl-financial-statements-2022 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) |
| Energy purchased from BPA | 3,804,606 | MWh | CY2022 | reported / curated | valid | scl-financial-statements-2022 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) |
| Energy purchased from BPA, average | 461.1 | MWa | CY2023 | reported / curated | valid | scl-financial-statements-2024 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) |
| Energy purchased from BPA | 4,039,150 | MWh | CY2023 | reported / curated | valid | scl-financial-statements-2024 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) |
| Energy purchased from BPA, average | 488.4 | MWa | CY2024 | reported / curated | valid | scl-financial-statements-2025 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) |
| Energy purchased from BPA | 4,278,100 | MWh | CY2024 | reported / curated | valid | scl-financial-statements-2025 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) |
| Energy purchased from BPA, average | 493.9 | MWa | CY2025 | reported / curated | valid | scl-financial-statements-2025 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) |
| Energy purchased from BPA | 4,326,469 | MWh | CY2025 | reported / curated | valid | scl-financial-statements-2025 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) |
| Washington retail sales Commerce attributes to BPA, CY2024 | 4,255,280 | MWh | CY2024 | reported / derived | valid | wa-fmd-2024-by-category 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 |
| BPA purchases per MWh | 31.5 | USD/MWh | CY2015 | reported / derived | valid | scl-financial-statements-2016 scl-bpa-purchases-2015 / scl-bpa-energy-mwh-2015 |
| BPA purchases per MWh | 31.3 | USD/MWh | CY2016 | reported / derived | valid | scl-financial-statements-2016 scl-bpa-purchases-2016 / scl-bpa-energy-mwh-2016 |
| BPA purchases per MWh | 30.7 | USD/MWh | CY2017 | reported / derived | valid | scl-financial-statements-2018 scl-bpa-purchases-2017 / scl-bpa-energy-mwh-2017 |
| BPA purchases per MWh | 37.1 | USD/MWh | CY2018 | reported / derived | valid | scl-financial-statements-2018 scl-bpa-purchases-2018 / scl-bpa-energy-mwh-2018 |
| BPA purchases per MWh | 37.1 | USD/MWh | CY2019 | reported / derived | valid | scl-official-statement-2021a scl-bpa-purchases-2019 / scl-bpa-energy-mwh-2019 |
| BPA purchases per MWh | 37.5 | USD/MWh | CY2020 | reported / derived | valid | scl-official-statement-2021a scl-bpa-purchases-2020 / scl-bpa-energy-mwh-2020 |
| BPA purchases per MWh | 37.6 | USD/MWh | CY2021 | reported / derived | valid | scl-financial-statements-2022 scl-bpa-purchases-2021 / scl-bpa-energy-mwh-2021 |
| BPA purchases per MWh | 28.0 | USD/MWh | CY2022 | reported / derived | valid | scl-financial-statements-2022 scl-bpa-purchases-2022 / scl-bpa-energy-mwh-2022 |
| BPA purchases per MWh | 34.2 | USD/MWh | CY2023 | reported / derived | valid | scl-financial-statements-2024 scl-bpa-purchases-2023 / scl-bpa-energy-mwh-2023 |
| BPA purchases per MWh | 38.6 | USD/MWh | CY2024 | reported / derived | valid | scl-financial-statements-2025 scl-bpa-purchases-2024 / scl-bpa-energy-mwh-2024 |
| BPA purchases per MWh | 37.8 | USD/MWh | CY2025 | reported / derived | valid | scl-financial-statements-2025 scl-bpa-purchases-2025 / scl-bpa-energy-mwh-2025 |
| Washington retail sales disclosed | 9,416,787 | MWh | 2024 | reported / direct | valid | wa-fmd-2024-by-category Claimant ID=95 |
| Washington retail sales disclosed | 9,678,044 | MWh | 2014 | reported / direct | valid | wa-fmd-2014-by-category Claimant ID=95 |
| Washington retail sales disclosed | 9,662,031 | MWh | 2015 | reported / direct | valid | wa-fmd-2015-by-category Claimant ID=95 |
| Washington retail sales disclosed | 9,671,673 | MWh | 2016 | reported / direct | valid | wa-fmd-2016-by-category Claimant ID=95 |
| Washington retail sales disclosed | 9,946,405 | MWh | 2017 | reported / direct | valid | wa-fmd-2017-by-category Claimant ID=95 |
| Washington retail sales disclosed | 9,647,588 | MWh | 2018 | reported / direct | valid | wa-fmd-2018-by-category Claimant ID=95 |
| Washington retail sales disclosed | 9,509,607 | MWh | 2019 | reported / direct | valid | wa-fmd-2019-by-category Claimant ID=95 |
| Washington retail sales disclosed | 9,188,112 | MWh | 2020 | reported / direct | valid | wa-fmd-2020-by-category Claimant ID=95 |
| Washington retail sales disclosed | 9,502,281 | MWh | 2021 | reported / direct | valid | wa-fmd-2021-by-category Claimant ID=95 |
| Washington retail sales disclosed | 9,790,557 | MWh | 2022 | reported / direct | valid | wa-fmd-2022-by-category Claimant ID=95 |
| Washington retail sales disclosed | 9,578,981 | MWh | 2023 | reported / direct | valid | wa-fmd-2023-by-category Claimant ID=95 |
| No-cost carbon allowances | 403,397 | t CO2e | 2023 | reported / direct | valid | wa-ecology-cca-allowances sheet AllowanceAllocation; Seattle City Light; 2023 |
| Washington retail load, Ecology's allocation forecast | 9,240,048 | MWh | 2023 | modeled / direct | valid | wa-ecology-cca-allowances sheet DataCalcs; Seattle City Light; 2023 |
| No-cost carbon allowances | 395,506 | t CO2e | 2024 | reported / direct | valid | wa-ecology-cca-allowances sheet AllowanceAllocation; Seattle City Light; 2024 |
| Washington retail load, Ecology's allocation forecast | 9,164,712 | MWh | 2024 | modeled / direct | valid | wa-ecology-cca-allowances sheet DataCalcs; Seattle City Light; 2024 |
| No-cost carbon allowances | 383,069 | t CO2e | 2025 | reported / direct | valid | wa-ecology-cca-allowances sheet AllowanceAllocation; Seattle City Light; 2025 |
| Washington retail load, Ecology's allocation forecast | 9,219,611 | MWh | 2025 | modeled / direct | valid | wa-ecology-cca-allowances sheet DataCalcs; Seattle City Light; 2025 |
| No-cost carbon allowances | 399,708 | t CO2e | 2026 | reported / direct | valid | wa-ecology-cca-allowances sheet AllowanceAllocation; Seattle City Light; 2026 |
| Washington retail load, Ecology's allocation forecast | 9,583,151 | MWh | 2026 | modeled / direct | valid | wa-ecology-cca-allowances sheet DataCalcs; Seattle City Light; 2026 |
| No-cost allowances at the last auction price | 15,788,466 | USD | 2026 | reported / derived | valid | wa-ecology-cca-auctions auction #15 2026-09-02; Seattle City Light; 2026 |
| interim target for the 2022-2025 compliance period | 97.0 | percent | 2022-2025 | reported / curated | valid | clean-energy-obligations ceta-16868-target-clean-share-of-retail-load-2022-2025; CEIP Draft Aggregate Workbook 22.12.15.xlsx, sheet Interim targets |
| eliminate coal-fired resources from the utility's allocation of electricity | 0.0 | percent | 2025 | reported / curated | valid | clean-energy-obligations ceta-wa-target-coal-share-of-allocation-2025; RCW 19.405.030 Coal-fired resources - Depreciation schedule - Penalties |
| greenhouse gas neutral retail sales, at least 80 percent from renewable and nonemitting resources | 80.0 | percent | 2030 | reported / curated | valid | clean-energy-obligations ceta-wa-target-clean-share-of-retail-sales-2030; RCW 19.405.040 Greenhouse gas neutral electricity supply |
| nonemitting generation and renewable resources supply 100 percent of retail sales | 100.0 | percent | 2045 | reported / curated | valid | clean-energy-obligations ceta-wa-target-clean-share-of-retail-sales-2045; RCW 19.405.050 One hundred percent renewable and nonemitting electricity supply |
| eligible renewable resources or renewable energy credits, or a combination, equal to at least 15 percent of load each year from 2020 | 15.0 | percent | 2020- | reported / curated | valid | clean-energy-obligations eia-wa-target-renewable-share-of-load-2020; RCW 19.285.040 Energy conservation and renewable energy targets; (2)(a)(iii) |
| biennial conservation acquisition target for 2024-2025 | 157,680 | MWh | 2024-2025 | reported / curated | valid | clean-energy-obligations eia-16868-target-conservation-mwh-2024-2025; EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility; cell B18 |
| renewable energy target for 2026 | 0.150000 | fraction | 2026 | reported / curated | valid | clean-energy-obligations eia-16868-target-renewable-share-of-load-2026; EIA 2026 Report Summary and Detail.xlsx, sheet Renewable by Utility |
| conservation acquired in 2024 | 72,753 | MWh | 2024 | reported / curated | valid | clean-energy-obligations eia-16868-filed_achievement-conservation-mwh-2024; EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility; cell C18 |
| 2024-2025 conservation acquired as a share of retail load, as Commerce computed it | 0.008931 | fraction | 2024-2025 | reported / curated | valid | clean-energy-obligations eia-16868-filed_achievement-conservation-share-of-retail-load-2024-2025; EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility; cell G18 |
| total conservation savings as a share of the 2024-2025 target, as Commerce computed it | 1.216413 | fraction | 2024-2025 | reported / curated | valid | clean-energy-obligations eia-16868-filed_achievement-conservation-share-of-target-2024-2025; EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility; cell F18 |
| excess conservation carried from the prior two bienniums toward the 2024-2025 target | 31,530 | MWh | 2024-2025 | reported / curated | valid | clean-energy-obligations eia-16868-filed_achievement-excess-conservation-mwh-2024-2025; EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility; cell E18 |
| conservation acquired in 2025 | 87,521 | MWh | 2025 | reported / curated | valid | clean-energy-obligations eia-16868-filed_achievement-conservation-mwh-2025; EIA 2026 Report Summary and Detail.xlsx, sheet Conservation by Utility; cell D18 |
| qualifying renewable resources acquired for 2026 | 1,345,968 | MWh | 2026 | reported / curated | valid | clean-energy-obligations eia-16868-filed_achievement-qualifying-renewables-mwh-2026; EIA 2026 Report Summary and Detail.xlsx, sheet Renewable by Utility |
| Computed bill on the published sheet | 92.12 | USD | 2026-01-01 | modeled / derived | valid | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-600; season=all |
| Sheet price of the last kWh used | 0.133800 | USD/kWh | 2026-01-01 | modeled / derived | valid | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-600; season=all |
| Computed sheet price per kWh, fixed charge included | 15.35 | cents/kWh | 2026-01-01 | modeled / derived | valid | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-600; season=all |
| Computed bill with the adjustments the sheet prices | — | USD | 2026-01-01 | modeled / derived | not_applicable (no_adjustment_priced_on_sheet) | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-600; season=all |
| Sheet price of the last kWh used, with the per-kWh adjustments the sheet prices | — | USD/kWh | 2026-01-01 | modeled / derived | not_applicable (no_adjustment_priced_on_sheet) | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-600; season=all |
| Computed bill on the published sheet | 132.26 | USD | 2026-01-01 | modeled / derived | valid | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-900; season=all |
| Sheet price of the last kWh used | 0.133800 | USD/kWh | 2026-01-01 | modeled / derived | valid | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-900; season=all |
| Computed sheet price per kWh, fixed charge included | 14.70 | cents/kWh | 2026-01-01 | modeled / derived | valid | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-900; season=all |
| Computed bill with the adjustments the sheet prices | — | USD | 2026-01-01 | modeled / derived | not_applicable (no_adjustment_priced_on_sheet) | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-900; season=all |
| Sheet price of the last kWh used, with the per-kWh adjustments the sheet prices | — | USD/kWh | 2026-01-01 | modeled / derived | not_applicable (no_adjustment_priced_on_sheet) | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-900; season=all |
| Computed bill on the published sheet | 172.40 | USD | 2026-01-01 | modeled / derived | valid | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-1200; season=all |
| Sheet price of the last kWh used | 0.133800 | USD/kWh | 2026-01-01 | modeled / derived | valid | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-1200; season=all |
| Computed sheet price per kWh, fixed charge included | 14.37 | cents/kWh | 2026-01-01 | modeled / derived | valid | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-1200; season=all |
| Computed bill with the adjustments the sheet prices | — | USD | 2026-01-01 | modeled / derived | not_applicable (no_adjustment_priced_on_sheet) | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-1200; season=all |
| Sheet price of the last kWh used, with the per-kWh adjustments the sheet prices | — | USD/kWh | 2026-01-01 | modeled / derived | not_applicable (no_adjustment_priced_on_sheet) | retail-tariffs retail_tariff_components.csv; tariff_id=scl-res-2026; case=kwh-1200; season=all |
| Distributed generation capacity (net-metered + non-net-metered) | 64.2 | MW | 2024 | reported / derived | valid | pudl-net-metering core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table) |
| Net-metered capacity | 64.2 | MW | 2024 | reported / derived | valid | pudl-net-metering core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table) |
| Non-net-metered distributed capacity | — | MW | 2024 | reported / derived | missing (not_reported) | pudl-net-metering core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table) |
| Net-metered customers | 8,008 | count | 2024 | reported / derived | valid | pudl-net-metering core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table) |
| Energy sold back to the utility by net-metered customers | — | MWh | 2024 | reported / derived | missing (not_reported) | pudl-net-metering core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table) |
| Distributed storage capacity | 2.1 | MW | 2024 | reported / derived | valid | pudl-net-metering core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table) |
| Distributed storage energy capacity | — | MWh | 2024 | reported / derived | missing (not_reported) | pudl-net-metering core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=16868 (+ non-net-metering table) |
| SAIDI, major event days included | 323.6 | minutes/customer/year | 2024 | reported / direct | valid | pudl-reliability core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard |
| SAIDI, major event days excluded | 110.8 | minutes/customer/year | 2024 | reported / direct | valid | pudl-reliability core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard |
| SAIDI, major event days included, loss of supply removed | 323.6 | minutes/customer/year | 2024 | reported / direct | valid | pudl-reliability core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard |
| SAIFI, major event days included | 1.12 | interruptions/customer/year | 2024 | reported / direct | valid | pudl-reliability core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard |
| SAIFI, major event days excluded | 0.76 | interruptions/customer/year | 2024 | reported / direct | valid | pudl-reliability core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard |
| SAIFI, major event days included, loss of supply removed | 1.12 | interruptions/customer/year | 2024 | reported / direct | valid | pudl-reliability core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard |
| CAIDI, major event days included | 289.2 | minutes/interruption | 2024 | reported / direct | valid | pudl-reliability core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard |
| CAIDI, major event days excluded | 145.6 | minutes/interruption | 2024 | reported / direct | valid | pudl-reliability core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard |
| CAIDI, major event days included, loss of supply removed | 289.2 | minutes/interruption | 2024 | reported / direct | valid | pudl-reliability core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard |
| Customers the indices are based on | 537,470 | count | 2024 | reported / direct | valid | pudl-reliability core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard |
| Highest voltage counted as distribution | 34.0 | kV | 2024 | reported / direct | valid | pudl-reliability core_eia861__yearly_reliability.parquet; report_date=2024-01-01; utility_id_eia=16868; state=WA; standard=ieee_standard |
bpa-cdq-20260501bpa-poc-chwm-fy2026-finalbpa-rhwm-fy2026-finalclean-energy-obligationscurated-aliasespudl-eia861-energy-efficiencypudl-generatorspudl-net-meteringpudl-ownershippudl-reliabilitypudl-retail-salespudl-utilitiesretail-tariffsscl-financial-statements-2016scl-financial-statements-2018scl-financial-statements-2022scl-financial-statements-2024scl-financial-statements-2025scl-official-statement-2021asupply-accountswa-ecology-cca-allowanceswa-ecology-cca-auctionswa-fmd-2014-by-categorywa-fmd-2015-by-categorywa-fmd-2016-by-categorywa-fmd-2017-by-categorywa-fmd-2018-by-categorywa-fmd-2019-by-categorywa-fmd-2020-by-categorywa-fmd-2021-by-categorywa-fmd-2022-by-categorywa-fmd-2023-by-categorywa-fmd-2024-by-categoryEach source's notice and terms: rights.json in this release.