{ "aliases": [ { "relation": "exact", "review_state": "source", "source_entity_id": "58503", "source_ref": "pudl-plants" } ], "citation_path": "citations/plant~eia~58503.html", "context": { "nearby_bpa_lines": [], "nearby_bpa_lines_status": { "available": true, "method": "Planar distance in the CONUS Albers projection (EPSG:5070) from the reported plant point to the published geometry, within about 1% in the region; features within 3 km, nearest first. Context only: nearness is not an electrical connection.", "note": "nearby_lines holds BPA's published lines and HIFLD-compiled lines of other owners (source_ref on each row); nearby_bpa_lines is the BPA subset; substations are HIFLD 2022 points at 100 kV and above", "radius_km": 3.0, "reason": null }, "nearby_lines": [ { "distance_km": 0.49, "id": "line:hifld:204782", "name": "DALREED – BOARDMAN", "source_ref": "hifld-lines-2021", "type": "line", "voltage_class": "230", "voltage_kv": 230.0 }, { "distance_km": 0.53, "id": "line:hifld:200053", "name": "BOARDMAN – SLATT", "source_ref": "hifld-lines-2021", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 } ], "nearby_substations": [], "territories": [ { "id": "territory:odoe:42", "name": "Pacific Power (PacifiCorp)", "note": "Plant coordinate lies inside this approximate territory polygon; candidate only, not a supply or service relationship", "relation": "candidate", "source_ref": "or-odoe-territories" } ] }, "coverage": { "generators_eligible": 2, "generators_operating": 2, "generators_published": 2, "output_years": [ 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 ], "ownership_known_generators": 2 }, "disclosed_claims": { "note": "Washington Fuel Mix Disclosure claims on this plant for CY2024, the latest year loaded; several suppliers can claim one plant; a claim attributes retail sales, it is not a wire or a share of ownership", "report_year": 2024, "rows": [], "source_ref": "wa-fmd-2024-by-plant" }, "emissions": { "all_units_monitored": true, "available": true, "combustion_mw": 500.0, "combustion_mw_monitored": 500.0, "conversion": { "short_tons_to_tonnes": 0.90718474 }, "crosswalk_source_ref": "pudl-epa-eia-crosswalk", "crosswalk_year": 2024, "evidence": "metered", "evidence_rule": "metered where at least 99% of the plant's operating unit-hours carry EPA's Measured flag, estimated where more were Substitute, Measured and Substitute or another method code", "facts": [ { "basis": "Sum of hourly CO2 mass reported under 40 CFR Part 75 by the plant's EPA-monitored units over the reporting year, short tons x 0.90718474. 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report_date=2024-01-01; plant_id_eia=58503", "maturity": "final", "method": "derived", "metric": "cems_generators_total", "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-generators", "unit": "count", "value": 2.0 }, { "basis": "Operating unit-hours EPA flagged Measured divided by all operating unit-hours of the plant's monitored units; the rest were Substitute, Measured and Substitute, or another method code", "coverage": { "eligible": 7905, "included": 7905, "unit": "operating unit-hours" }, "denominator": null, "evidence": "metered", "fact_id": "plant:eia:58503#cems_measured_share@2024", "label": "Share of operating unit-hours with measured CO2", "locator": "core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=58503", "maturity": "final", "method": "derived", "metric": "cems_measured_share", "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": 4, "quality": "valid", "source_ref": "pudl-epacems", "unit": "fraction", "value": 1.0 }, { "basis": "Monitored-unit CO2 (tonnes) divided by the plant's EIA-923 net generation for the same year. 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Only where every combustion generator is monitored and the gross load is not below EIA net generation; gross, so lower than the net figure, and not comparable with it", "coverage": null, "denominator": { "basis": "gross load the monitored units themselves reported; a combined-cycle unit need not include its steam turbine", "metric": "cems_gross_load_mwh", "unit": "MWh", "value": 3372836.24 }, "evidence": "metered", "fact_id": "plant:eia:58503#co2_intensity_gross_t_per_mwh@2024", "label": "CO2 per MWh of gross load (unit-reported)", "locator": "derived: co2_mass_tonnes@2024 / cems_gross_load_mwh@2024", "maturity": "final", "method": "derived", "metric": "co2_intensity_gross_t_per_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": 3, "quality": "valid", "source_ref": "pudl-epacems", "unit": "t CO2/MWh", "value": 0.38351872540266346 } ], "generators_monitored": 2, "generators_monitored_other": 0, "generators_total": 2, "generators_unmonitored": null, "history": [ { "all_units_monitored": true, "available": true, "combustion_mw": 500.0, "combustion_mw_monitored": 500.0, "conversion": { "short_tons_to_tonnes": 0.90718474 }, "crosswalk_source_ref": "pudl-epa-eia-crosswalk", "crosswalk_year": 2023, "evidence": "metered", "evidence_rule": "metered where at least 99% of the plant's operating unit-hours carry EPA's Measured flag, estimated where more were Substitute, Measured and Substitute or another method code", "facts": [ { "basis": "Sum of hourly CO2 mass reported under 40 CFR Part 75 by the plant's EPA-monitored units over the reporting year, short tons x 0.90718474. 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year=2023; plant_id_eia=58503", "maturity": "final", "method": "derived", "metric": "cems_units_monitored", "missing_reason": null, "note": null, "period": { "hours": 8760, "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": "pudl-epacems", "unit": "count", "value": 1.0 }, { "basis": "Existing coal, gas, oil or waste generators of the plant (EIA-860 inventory year) that the EPA-EIA crosswalk links to a unit with CEMS rows; a steam turbine linked to several combustion turbines counts once", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:58503#cems_generators_monitored@2023", "label": "Combustion generators linked to a monitored unit", "locator": "core_epa__assn_eia_epacamd.parquet; report_year=2023; plant_id_eia=58503", "maturity": "final", "method": "derived", "metric": "cems_generators_monitored", "missing_reason": null, "note": null, "period": { "hours": 8760, "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": "pudl-epa-eia-crosswalk", "unit": "count", "value": 2.0 }, { "basis": "Existing (operating, standby or out of service) generators whose resource group is coal, gas, oil or waste in the EIA-860 inventory year: the units that could be monitored", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:58503#cems_generators_total@2023", "label": "Combustion generators at the plant", "locator": "out_eia__yearly_generators.parquet; report_date=2023-01-01; plant_id_eia=58503", "maturity": "final", "method": "derived", "metric": "cems_generators_total", "missing_reason": null, "note": null, "period": { "hours": 8760, "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": "pudl-generators", "unit": "count", "value": 2.0 }, { "basis": "Operating unit-hours EPA flagged Measured divided by all operating unit-hours of the plant's monitored units; the rest were Substitute, Measured and Substitute, or another method code", "coverage": { "eligible": 7284, "included": 7284, "unit": "operating unit-hours" }, "denominator": null, "evidence": "metered", "fact_id": "plant:eia:58503#cems_measured_share@2023", "label": "Share of operating unit-hours with measured CO2", "locator": "core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=58503", "maturity": "final", "method": "derived", "metric": "cems_measured_share", "missing_reason": null, "note": null, "period": { "hours": 8760, "kind": "calendar_year", "period_end": "2024-01-01T00:00:00Z", "period_start": "2023-01-01T00:00:00Z", "year": 2023 }, "precision": 4, "quality": "valid", "source_ref": "pudl-epacems", "unit": "fraction", "value": 1.0 }, { "basis": "Monitored-unit CO2 (tonnes) divided by the plant's EIA-923 net generation for the same year. Only where every combustion generator is monitored, so numerator and denominator cover the same plant; comparable across such plants", "coverage": null, "denominator": { "basis": "EIA-923 net generation of the whole plant, same calendar year", "metric": "net_generation_mwh", "unit": "MWh", "value": 3118192.0 }, "evidence": "metered", "fact_id": "plant:eia:58503#co2_intensity_net_t_per_mwh@2023", "label": "CO2 per MWh of net generation", "locator": "derived: co2_mass_tonnes@2023 / net_generation_mwh@2023 (pudl-output)", "maturity": "final", "method": "derived", "metric": "co2_intensity_net_t_per_mwh", "missing_reason": null, "note": null, "period": { "hours": 8760, "kind": "calendar_year", "period_end": "2024-01-01T00:00:00Z", "period_start": "2023-01-01T00:00:00Z", "year": 2023 }, "precision": 3, "quality": "valid", "source_ref": "pudl-epacems", "unit": "t CO2/MWh", "value": 0.40225014351900373 }, { "basis": "Monitored-unit CO2 (tonnes) divided by the same units' reported gross load. Only where every combustion generator is monitored and the gross load is not below EIA net generation; gross, so lower than the net figure, and not comparable with it", "coverage": null, "denominator": { "basis": "gross load the monitored units themselves reported; a combined-cycle unit need not include its steam turbine", "metric": "cems_gross_load_mwh", "unit": "MWh", "value": 3171245.42 }, "evidence": "metered", "fact_id": "plant:eia:58503#co2_intensity_gross_t_per_mwh@2023", "label": "CO2 per MWh of gross load (unit-reported)", "locator": "derived: co2_mass_tonnes@2023 / cems_gross_load_mwh@2023", "maturity": "final", "method": "derived", "metric": "co2_intensity_gross_t_per_mwh", "missing_reason": null, "note": null, "period": { "hours": 8760, "kind": "calendar_year", "period_end": "2024-01-01T00:00:00Z", "period_start": "2023-01-01T00:00:00Z", "year": 2023 }, "precision": 3, "quality": "valid", "source_ref": "pudl-epacems", "unit": "t CO2/MWh", "value": 0.3955206908961998 } ], "generators_monitored": 2, "generators_monitored_other": 0, "generators_total": 2, "generators_unmonitored": null, "hours_by_measurement": { "measured": 7284, "operating_without_code": 0, "other_code": 0, "substituted": 0, "unit": "operating unit-hours" }, "measured_share": 1.0, "note": "CO2 reported hourly under 40 CFR Part 75 by this plant's EPA-monitored units and summed over the reporting year, as filed (short tons) and in tonnes. It is a stack total of those units, includes any share attributable to steam sold, and is not CO2-equivalent, lifecycle or consumption-based. EPA-monitored units are one program's population: the figure is not a regional total and an unmonitored plant is not zero.", "source_ref": "pudl-epacems", "units_monitored": 1, "year": 2023 } ], "hours_by_measurement": { "measured": 7905, "operating_without_code": 0, "other_code": 0, "substituted": 0, "unit": "operating unit-hours" }, "measured_share": 1.0, "note": "CO2 reported hourly under 40 CFR Part 75 by this plant's EPA-monitored units and summed over the reporting year, as filed (short tons) and in tonnes. It is a stack total of those units, includes any share attributable to steam sold, and is not CO2-equivalent, lifecycle or consumption-based. EPA-monitored units are one program's population: the figure is not a regional total and an unmonitored plant is not zero.", "source_ref": "pudl-epacems", "units_monitored": 1, "year": 2024 }, "events": [], "facts": [ { "basis": "Sum of generator nameplate MW with operational status code OP in the inventory year; one row per generator; unscaled by ownership", "coverage": { "eligible": 2, "included": 2, "unit": "operating generators" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:58503#nameplate_mw_op@2024", "label": "Nameplate capacity, operating generators", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=58503", "maturity": "final", "method": "derived", "metric": "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-generators", "unit": "MW", "value": 500.0 }, { "basis": "Generator rows for the plant in the inventory year, any status", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:58503#generator_count@2024", "label": "Generators listed", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=58503", "maturity": "final", "method": "derived", "metric": "generator_count", "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": 0, "quality": "valid", "source_ref": "pudl-generators", "unit": "count", "value": 2.0 }, { "basis": "Generator rows with status code OP", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:58503#generator_count_op@2024", "label": "Operating generators", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=58503", "maturity": "final", "method": "derived", "metric": "generator_count_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": 0, "quality": "valid", "source_ref": "pudl-generators", "unit": "count", "value": 2.0 }, { "basis": "Sum of EIA-923 annual net generation over the plant's unique prime-mover x energy-source rows; negative values (pumping, station use) retained", "coverage": { "eligible": 2, "included": 2, "unit": "plant x prime-mover x fuel rows" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:58503#net_generation_mwh@2024", "label": "Net generation", "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2024-01-01; plant_id_eia=58503", "maturity": "final", "method": "derived", "metric": "net_generation_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-output", "unit": "MWh", "value": 3316571.0 }, { "basis": "Net generation MWh / (operating nameplate MW x hours in year); only when every operating generator was operating before the year began and none retired during it", "coverage": null, "denominator": { "hours": 8784, "metric": "nameplate_mw_op", "unit": "MW", "value": 500.0 }, "evidence": "reported", "fact_id": "plant:eia:58503#capacity_factor@2024", "label": "Capacity factor", "locator": "derived: net_generation_mwh@2024 / (nameplate_mw_op x 8784 h)", "maturity": "final", "method": "derived", "metric": "capacity_factor", "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": 3, "quality": "valid", "source_ref": "pudl-output", "unit": "fraction", "value": 0.755139116575592 } ], "generators": [ { "dates": { "note": "EIA-860 reports month and year; day is a placeholder", "operating": "2016-07-01", "original_planned_operating": "2016-05-01", "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": null }, "energy_source": { "code": "NG", "fuel_group": "gas", "label": "natural_gas" }, "facts": [ { "basis": "Generator nameplate capacity as reported on EIA-860", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "generator:eia:58503:GEN1#capacity_mw@2024", "label": "Nameplate capacity", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=58503; generator_id=GEN1", "maturity": "final", "method": "derived", "metric": "capacity_mw", "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-generators", "unit": "MW", "value": 300.0 }, { "basis": "Reported or source-estimated net summer capability", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "generator:eia:58503:GEN1#summer_capacity_mw@2024", "label": "Net summer capacity", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=58503; generator_id=GEN1", "maturity": "final", "method": "derived", "metric": "summer_capacity_mw", "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-generators", "unit": "MW", "value": 248.1 }, { "basis": "Reported or source-estimated net winter capability", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "generator:eia:58503:GEN1#winter_capacity_mw@2024", "label": "Net winter capacity", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=58503; generator_id=GEN1", "maturity": "final", "method": "derived", "metric": "winter_capacity_mw", "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-generators", "unit": "MW", "value": 280.6 } ], "generator_id": "GEN1", "id": "generator:eia:58503:GEN1", "is_storage": false, "operator": { "entity_type": "I", "entity_type_label": "Investor-owned utility", "id": "org:eia:15248", "name": "Portland General Electric" }, "ownership": { "basis": "eia860_schedule4_default", "invalid_shares": false, "note": null, "shares": [ { "basis": "eia860_schedule4_default", "evidence": "reported", "fraction": 1.0, "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=58503; generator_id=GEN1; ownership_code=S; rule=eia860_schedule4_default", "method": "derived", "owned_mw": 300.0, "owner": { "entity_type": "I", "entity_type_label": "Investor-owned utility", "id": "org:eia:15248", "name": "Portland General Electric" }, "reason": "eia860_schedule4_default", "source_ref": "pudl-generators" } ], "unassigned_fraction": 0.0, "unassigned_mw": 0.0, "unknown_reason": null }, "prime_mover": { "code": "CT", "label": "combined_cycle_combustion_turbine" }, "resource_group": "gas", "status": { "category": "existing", "code": "OP", "label": "operating" }, "storage": null, "technology": "Natural Gas Fired Combined Cycle" }, { "dates": { "note": "EIA-860 reports month and year; day is a placeholder", "operating": "2016-07-01", "original_planned_operating": "2016-05-01", "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": null }, "energy_source": { "code": "NG", "fuel_group": "gas", "label": "natural_gas" }, "facts": [ { "basis": "Generator nameplate capacity as reported on EIA-860", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "generator:eia:58503:GEN2#capacity_mw@2024", "label": "Nameplate capacity", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=58503; generator_id=GEN2", "maturity": "final", "method": "derived", "metric": "capacity_mw", "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-generators", "unit": "MW", "value": 200.0 }, { "basis": "Reported or source-estimated net summer capability", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "generator:eia:58503:GEN2#summer_capacity_mw@2024", "label": "Net summer capacity", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=58503; generator_id=GEN2", "maturity": "final", "method": "derived", "metric": "summer_capacity_mw", "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-generators", "unit": "MW", "value": 168.2 }, { "basis": "Reported or source-estimated net winter capability", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "generator:eia:58503:GEN2#winter_capacity_mw@2024", "label": "Net winter capacity", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=58503; generator_id=GEN2", "maturity": "final", "method": "derived", "metric": "winter_capacity_mw", "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-generators", "unit": "MW", "value": 189.9 } ], "generator_id": "GEN2", "id": "generator:eia:58503:GEN2", "is_storage": false, "operator": { "entity_type": "I", "entity_type_label": "Investor-owned utility", "id": "org:eia:15248", "name": "Portland General Electric" }, "ownership": { "basis": "eia860_schedule4_default", "invalid_shares": false, "note": null, "shares": [ { "basis": "eia860_schedule4_default", "evidence": "reported", "fraction": 1.0, "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=58503; generator_id=GEN2; ownership_code=S; rule=eia860_schedule4_default", "method": "derived", "owned_mw": 200.0, "owner": { "entity_type": "I", "entity_type_label": "Investor-owned utility", "id": "org:eia:15248", "name": "Portland General Electric" }, "reason": "eia860_schedule4_default", "source_ref": "pudl-generators" } ], "unassigned_fraction": 0.0, "unassigned_mw": 0.0, "unknown_reason": null }, "prime_mover": { "code": "CA", "label": "combined_cycle_steam_turbine" }, "resource_group": "gas", "status": { "category": "existing", "code": "OP", "label": "operating" }, "storage": null, "technology": "Natural Gas Fired Combined Cycle" } ], "id": "plant:eia:58503", "interconnection_requests": [ { "generators": [ "GEN1", "GEN2" ], "id": "project:bpaq:G0380", "name": "Carty CCCT", "relation": "phases", "relation_label": "Part of a plant: the request added some of a plant's generators, or several requests make up one plant", "request_date": "2009-09-15", "request_number": "G0380", "source_ref": "queue-generator-links", "status": "ENERGIZED" }, { "generators": [ "GEN1", "GEN2" ], "id": "project:bpaq:G0457", "name": "Carty CCCT", "relation": "phases", "relation_label": "Part of a plant: the request added some of a plant's generators, or several requests make up one plant", "request_date": "2011-07-28", "request_number": "G0457", "source_ref": "queue-generator-links", "status": "ENERGIZED" } ], "latest": { "changed_on": "2026-08-01", "changes_since_baseline": [], "edition": { "report_month": "2026-08-01", "source_ref": "eia860m-inventory", "valid_until": "2026-09-01" }, "facts": [ { "basis": "Sum of nameplate MW over generators whose current-valid EIA-860M workbook assertion has status OP; dated by the complete inventory edition; never added to the baseline aggregate", "coverage": { "eligible": 2, "included": 2, "unit": "current and historical generators", "unknown_current_state": 0 }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:58503#latest_nameplate_mw_op", "label": "Operating nameplate capacity, latest inventory", "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=58503; report_date=2026-08-01", "maturity": "provisional", "method": "derived", "metric": "latest_nameplate_mw_op", "missing_reason": null, "note": null, "period": { "as_of": "2026-08-01", "kind": "instant", "note": "Complete EIA-860M monthly inventory; assertion dates are not event dates" }, "precision": 1, "quality": "valid", "source_ref": "eia860m-inventory", "unit": "MW", "value": 500.0 }, { "basis": "Sum of nameplate MW over generators whose current-valid EIA-860M workbook assertion is a proposal or construction stage (P, L, T, U, V, OT, TS); a proposal is not a commitment and its date is a forecast", "coverage": { "eligible": 2, "included": 2, "unit": "current and historical generators" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:58503#latest_nameplate_mw_planned", "label": "Planned nameplate capacity, latest inventory", "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=58503; report_date=2026-08-01", "maturity": "provisional", "method": "derived", "metric": "latest_nameplate_mw_planned", "missing_reason": "not_applicable", "note": null, "period": { "as_of": "2026-08-01", "kind": "instant", "note": "Complete EIA-860M monthly inventory; assertion dates are not event dates" }, "precision": 1, "quality": "not_applicable", "source_ref": "eia860m-inventory", "unit": "MW", "value": null }, { "basis": "Sum of nameplate MW over generators whose current-valid EIA-860M workbook assertion is retired, cancelled or indefinitely postponed (RE, CN, IP); retired is not demolished", "coverage": { "eligible": 2, "included": 2, "unit": "current and historical generators" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:58503#latest_nameplate_mw_retired", "label": "Retired or cancelled nameplate capacity, latest inventory", "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=58503; report_date=2026-08-01", "maturity": "provisional", "method": "derived", "metric": "latest_nameplate_mw_retired", "missing_reason": "not_applicable", "note": null, "period": { "as_of": "2026-08-01", "kind": "instant", "note": "Complete EIA-860M monthly inventory; assertion dates are not event dates" }, "precision": 1, "quality": "not_applicable", "source_ref": "eia860m-inventory", "unit": "MW", "value": null } ], "historical_units": [], "in_baseline": true, "last_retirement_date": null, "life": "operating", "next_planned_operating_date": null, "note": "Independently dated by EIA-860M; the baseline facts above stay the validated edition. Planned dates are forecasts; retired is not demolished.", "summary": { "mw_entered_service": null, "mw_retired_or_cancelled": null, "units_entered_service": 0, "units_new_since_baseline": 0, "units_retired_or_cancelled": 0 }, "units": [ { "capacity_mw": 300.0, "changed_on": "2026-08-01", "dates": { "operating": "2016-07-01", "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": null }, "generator_id": "GEN1", "id": "generator:eia:58503:GEN1", "in_baseline": true, "life": "operating", "resource_group": "gas", "status": { "category": "existing", "code": "OP", "label": "operating" }, "technology": "Natural Gas Fired Combined Cycle" }, { "capacity_mw": 200.0, "changed_on": "2026-08-01", "dates": { "operating": "2016-07-01", "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": null }, "generator_id": "GEN2", "id": "generator:eia:58503:GEN2", "in_baseline": true, "life": "operating", "resource_group": "gas", "status": { "category": "existing", "code": "OP", "label": "operating" }, "technology": "Natural Gas Fired Combined Cycle" } ] }, "location": { "city": "Boardman", "county": "Morrow", "datum": null, "lat": 45.698611, "locator": "out_eia__yearly_plants.parquet; report_date=2024-01-01; plant_id_eia=58503", "lon": -119.813056, "note": "Plant coordinate shared by all generators; not turbine or inverter locations. Source datum field empty in this edition.", "quality": "source_reported", "source_ref": "pudl-plants", "state": "OR", "timezone": "America/Los_Angeles" }, "name": "Carty Generating Station", "operator": { "entity_type": "I", "entity_type_label": "Investor-owned utility", "id": "org:eia:15248", "name": "Portland General Electric" }, "output": { "annual": [ { "components": [ { "energy_source": { "code": "NG", "fuel_group": "gas", "label": "natural_gas" }, "maturity": "final", "net_generation_mwh": 516330.0, "prime_mover": { "code": "CA", "label": "combined_cycle_steam_turbine" } }, { "energy_source": { "code": "NG", "fuel_group": "gas", "label": "natural_gas" }, "maturity": "final", "net_generation_mwh": 846452.0, "prime_mover": { "code": "CT", "label": "combined_cycle_combustion_turbine" } } ], "fact": { "basis": "Sum of EIA-923 annual net generation over the plant's unique prime-mover x energy-source rows; negative values (pumping, station use) retained", "coverage": { "eligible": 2, "included": 2, "unit": "plant x prime-mover x fuel rows" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:58503#net_generation_mwh@2016", "label": "Net generation", "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2016-01-01; plant_id_eia=58503", "maturity": "final", "method": "derived", "metric": "net_generation_mwh", "missing_reason": null, "note": null, "period": { "hours": 8784, "kind": "calendar_year", "period_end": "2017-01-01T00:00:00Z", "period_start": "2016-01-01T00:00:00Z", "year": 2016 }, "precision": 0, "quality": "valid", "source_ref": "pudl-output", "unit": "MWh", "value": 1362782.0 }, "rows": 2, "year": 2016 }, { "components": [ { "energy_source": { "code": "NG", "fuel_group": "gas", "label": "natural_gas" }, "maturity": "final", "net_generation_mwh": 880508.0, "prime_mover": { "code": "CA", "label": "combined_cycle_steam_turbine" } }, { "energy_source": { "code": "NG", "fuel_group": "gas", "label": "natural_gas" }, 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{ "hours": 744, "maturity": "final", "period_end": "2024-06-01T00:00:00Z", "period_start": "2024-05-01T00:00:00Z", "quality": "valid", "rows": 2, "value": 141366.0 }, { "hours": 720, "maturity": "final", "period_end": "2024-07-01T00:00:00Z", "period_start": "2024-06-01T00:00:00Z", "quality": "valid", "rows": 2, "value": 253843.0 }, { "hours": 744, "maturity": "final", "period_end": "2024-08-01T00:00:00Z", "period_start": "2024-07-01T00:00:00Z", "quality": "valid", "rows": 2, "value": 311824.0 }, { "hours": 744, "maturity": "final", "period_end": "2024-09-01T00:00:00Z", "period_start": "2024-08-01T00:00:00Z", "quality": "valid", "rows": 2, "value": 309906.0 }, { "hours": 720, "maturity": "final", "period_end": "2024-10-01T00:00:00Z", "period_start": "2024-09-01T00:00:00Z", "quality": "valid", "rows": 2, "value": 306716.0 }, { "hours": 744, "maturity": "final", "period_end": "2024-11-01T00:00:00Z", "period_start": "2024-10-01T00:00:00Z", "quality": "valid", "rows": 2, "value": 250898.0 }, { "hours": 720, "maturity": "final", "period_end": "2024-12-01T00:00:00Z", "period_start": "2024-11-01T00:00:00Z", "quality": "valid", "rows": 2, "value": 320186.0 }, { "hours": 744, "maturity": "final", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-12-01T00:00:00Z", "quality": "valid", "rows": 2, "value": 306675.0 } ], "years_eligible": [ 2016, 2018, 2019, 2020, 2021, 2022, 2023, 2024 ], "years_excluded": [ { "frequency_code": null, "reason": "frequency_unknown", "year": 2015 }, { "frequency_code": "A", "reason": "annual_reporter", "year": 2017 } ] }, "note": "Sum of unique plant x prime-mover x fuel rows per year; negative values retained; missing years absent, not zero; no monthly curve inferred", "reporter_frequency": "monthly_reported_annually" }, "ownership_paths": { "available": false, "note": "Direct owners and their shares are in ownership_rollup and on each generator; no parent chain is curated for this plant, so no parent-attributed MW exists and none is implied", "reason": "parent_chain_not_curated", "source_ref": "ownership-parents" }, "ownership_rollup": { "basis": "Operating nameplate MW x ownership fraction, once per generator; reported schedule or EIA-860 schedule-4 default", "note": null, "owners": [ { "bases": [ "eia860_schedule4_default" ], "generators": 2, "owned_mw": 500.0, "owner": { "entity_type": "I", "entity_type_label": "Investor-owned utility", "id": "org:eia:15248", "name": "Portland General Electric" } } ], "unassigned_mw": 0.0, "unknown_coverage": { "eligible": 0, "included": 0, "unit": "native rows" }, "unknown_mw": 0.0 }, "release_id": "20260929T050546Z-51ae0f7d3c78", "reporting": { "ba": { "code": "PGE", "id": "ba:eia:PGE", "name": "Portland General Electric" }, "ba_code_source": "PGE", "frame_role": "core", "in_geographic_core": true, "in_reporting_frame": true, "inclusion_reason": "ba_in_frame_v1", "membership_review_status": "source", "reporter_frequency": "AM" }, "resource_group": "gas", "schema_version": "1.41.0", "source_name": null, "sources": [ "pudl-epa-eia-crosswalk", "pudl-epacems", "pudl-generators", "pudl-output", "pudl-ownership", "pudl-plants" ], "storage": null, "type": "plant", "updated_reason": null, "water": null }