{ "aliases": [ { "relation": "exact", "review_state": "source", "source_entity_id": "3845", "source_ref": "pudl-plants" }, { "kind": "display_name", "note": "operator name for the plant", "relation": "exact", "review_state": "reviewed", "reviewed_on": "2026-09-18", "source_entity_id": "Centralia Generating Facility", "source_ref": "curated-aliases", "source_url": "https://transalta.com/our-operations/facilities/centralia" } ], "citation_path": "citations/plant~eia~3845.html", "context": { "nearby_bpa_lines": [ { "distance_km": 0.04, "id": "line:bpa:CTPHT-CHCO-1", "name": "Centralia Tap to Chehalis-Covington No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "230", "voltage_kv": 230.0 }, { "distance_km": 0.04, "id": "line:bpa:PAUL-CTPH-1", "name": "Paul-Centralia Thermal PH No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 0.1, "id": "line:bpa:PAUL-CTPH-2", "name": "Paul-Centralia Thermal PH No 2", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 1.13, "id": "line:bpa:RAVE-PAUL-1", "name": "Raver-Paul No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 1.17, "id": "line:bpa:PAUL-NAPV-1", "name": "Paul-Napavine No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 1.19, "id": "line:bpa:PAUL-OLYM-1", "name": "Paul-Olympia No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 1.2, "id": "line:bpa:PAUL-ALSN-2", "name": "Paul-Allston No 2", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 1.24, "id": "line:bpa:PAUL-SATS-1", "name": "Paul-Satsop No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 } ], "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": 0.04, "id": "line:bpa:CTPHT-CHCO-1", "name": "Centralia Tap to Chehalis-Covington No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "230", "voltage_kv": 230.0 }, { "distance_km": 0.04, "id": "line:bpa:PAUL-CTPH-1", "name": "Paul-Centralia Thermal PH No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 0.1, "id": "line:bpa:PAUL-CTPH-2", "name": "Paul-Centralia Thermal PH No 2", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 0.39, "id": "line:hifld:206109", "name": "PUGET SOUND ENERGY INC line 206109", "source_ref": "hifld-lines-2021", "type": "line", "voltage_class": "345", "voltage_kv": 345.0 }, { "distance_km": 0.72, "id": "line:hifld:206406", "name": "YELM PP – MAY STREET", "source_ref": "hifld-lines-2021", "type": "line", "voltage_class": "230", "voltage_kv": 230.0 }, { "distance_km": 1.13, "id": "line:bpa:RAVE-PAUL-1", "name": "Raver-Paul No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 1.17, "id": "line:bpa:PAUL-NAPV-1", "name": "Paul-Napavine No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 1.19, "id": "line:bpa:PAUL-OLYM-1", "name": "Paul-Olympia No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 1.2, "id": "line:hifld:206110", "name": "PUGET SOUND ENERGY INC line 206110", "source_ref": "hifld-lines-2021", "type": "line", "voltage_class": "115-161", "voltage_kv": 138.0 }, { "distance_km": 1.2, "id": "line:bpa:PAUL-ALSN-2", "name": "Paul-Allston No 2", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 1.24, "id": "line:bpa:PAUL-SATS-1", "name": "Paul-Satsop No 1", "source_ref": "bpa-lines", "type": "line", "voltage_class": "500", "voltage_kv": 500.0 }, { "distance_km": 1.37, "id": "line:hifld:206112", "name": "PUGET SOUND ENERGY INC line 206112", "source_ref": "hifld-lines-2021", "type": "line", "voltage_class": "115-161", "voltage_kv": 138.0 } ], "nearby_substations": [ { "distance_km": 0.39, "id": "substation:hifld:201455", "kind": "SUBSTATION", "max_kv": 500.0, "name": "Unnamed substation", "source_ref": "hifld-substations-2022", "type": "substation" }, { "distance_km": 0.52, "id": "substation:hifld:201222", "kind": "SUBSTATION", "max_kv": 500.0, "name": "BIG HANAFORD", "source_ref": "hifld-substations-2022", "type": "substation" }, { "distance_km": 1.2, "id": "substation:hifld:200411", "kind": "SUBSTATION", "max_kv": 500.0, "name": "PAUL", "source_ref": "hifld-substations-2022", "type": "substation" }, { "distance_km": 1.37, "id": "substation:hifld:200412", "kind": "SUBSTATION", "max_kv": 138.0, "name": "Unnamed substation", "source_ref": "hifld-substations-2022", "type": "substation" } ], "territories": [ { "id": "territory:waecy:51", "name": "Lewis County PUD #1", "note": "Plant coordinate lies inside this approximate territory polygon; candidate only, not a supply or service relationship", "relation": "candidate", "source_ref": "wa-ecology-territories" } ] }, "coverage": { "generators_eligible": 7, "generators_operating": 1, "generators_published": 7, "output_years": [ 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 ], "ownership_known_generators": 7 }, "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": [ { "category": "Coal", "claim_type": "Utility Specified", "claimant_id": 90, "claimant_name": "Puget Sound Energy", "mwh": 2250331.0, "org": { "id": "org:eia:15500", "name": "Puget Sound Energy" }, "rec": null, "report_year": 2024 }, { "category": "Petroleum", "claim_type": "Utility Specified", "claimant_id": 90, "claimant_name": "Puget Sound Energy", "mwh": 5719.0, "org": { "id": "org:eia:15500", "name": "Puget Sound Energy" }, "rec": null, "report_year": 2024 }, { "category": "Coal", "claim_type": "Utility Specified", "claimant_id": 90, "claimant_name": "Puget Sound Energy", "mwh": 0.0, "org": { "id": "org:eia:15500", "name": "Puget Sound Energy" }, "rec": null, "report_year": 2024 }, { "category": "Coal", "claim_type": "Utility Specified", "claimant_id": 90, "claimant_name": "Puget Sound Energy", "mwh": 0.0, "org": { "id": "org:eia:15500", "name": "Puget Sound Energy" }, "rec": null, "report_year": 2024 } ], "source_ref": "wa-fmd-2024-by-plant" }, "emissions": { "all_units_monitored": true, "available": true, "combustion_mw": 729.9, "combustion_mw_monitored": 729.9, "conversion": { "short_tons_to_tonnes": 0.90718474 }, "crosswalk_source_ref": "pudl-epa-eia-crosswalk", "crosswalk_year": 2024, "evidence": "estimated", "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. Stack total of those units including any share attributable to steam sold; the plant's total only where every combustion generator is monitored", "coverage": { "eligible": 1, "included": 1, "unit": "combustion generators" }, "denominator": null, "evidence": "estimated", "fact_id": "plant:eia:3845#co2_mass_tonnes@2024", "label": "CO2 mass, monitored units", "locator": "core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "co2_mass_tonnes", "missing_reason": null, "note": "96.2% of operating unit-hours were flagged Measured; the rest follow Part 75 missing-data procedures, which are designed to err high", "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-epacems", "unit": "t CO2", "value": 3184759.187543894 }, { "basis": "The same sum in the unit EPA's files use (short tons); shown beside the metric figure so the conversion is visible", "coverage": { "eligible": 1, "included": 1, "unit": "combustion generators" }, "denominator": null, "evidence": "estimated", "fact_id": "plant:eia:3845#co2_mass_short_tons@2024", "label": "CO2 mass, monitored units, as filed", "locator": "core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "co2_mass_short_tons", "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-epacems", "unit": "short tons CO2", "value": 3510596.0749999983 }, { "basis": "Sum over the year of each monitored unit's reported hourly gross load (MW) x operating time (h). A unit-reported quantity: a combined-cycle unit need not include its steam turbine, so this can be below EIA net generation", "coverage": null, "denominator": null, "evidence": "estimated", "fact_id": "plant:eia:3845#cems_gross_load_mwh@2024", "label": "Gross load of monitored units", "locator": "core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "cems_gross_load_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-epacems", "unit": "MWh", "value": 3039264.61 }, { "basis": "Sum over the year of each monitored unit's reported hourly heat input", "coverage": null, "denominator": null, "evidence": "estimated", "fact_id": "plant:eia:3845#cems_heat_input_mmbtu@2024", "label": "Heat input of monitored units", "locator": "core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "cems_heat_input_mmbtu", "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-epacems", "unit": "mmBtu", "value": 33472504.686000064 }, { "basis": "Sum of reported operating time over the plant's monitored units: unit-hours, so it can exceed the hours in the year when several units ran", "coverage": { "eligible": 1, "included": 1, "unit": "monitored units" }, "denominator": null, "evidence": "metered", "fact_id": "plant:eia:3845#cems_unit_operating_hours@2024", "label": "Unit operating hours, monitored units", "locator": "core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "cems_unit_operating_hours", "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-epacems", "unit": "h", "value": 5566.68 }, { "basis": "Calendar hours of the reporting year in which at least one monitored unit reported operating time; never above the hours in the year", "coverage": null, "denominator": null, "evidence": "metered", "fact_id": "plant:eia:3845#cems_hours_with_operation@2024", "label": "Hours in which a monitored unit ran", "locator": "core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "cems_hours_with_operation", "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-epacems", "unit": "count", "value": 5580.0 }, { "basis": "Distinct EPA emissions units at the plant with rows in the reporting year; an EPA unit is a combustor or stack, not an EIA generator", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#cems_units_monitored@2024", "label": "EPA emissions units with CEMS rows", "locator": "core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "cems_units_monitored", "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-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:3845#cems_generators_monitored@2024", "label": "Combustion generators linked to a monitored unit", "locator": "core_epa__assn_eia_epacamd.parquet; report_year=2024; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "cems_generators_monitored", "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-epa-eia-crosswalk", "unit": "count", "value": 1.0 }, { "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:3845#cems_generators_total@2024", "label": "Combustion generators at the plant", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=3845", "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": 1.0 }, { "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": 5580, "included": 5367, "unit": "operating unit-hours" }, "denominator": null, "evidence": "metered", "fact_id": "plant:eia:3845#cems_measured_share@2024", "label": "Share of operating unit-hours with measured CO2", "locator": "core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=3845", "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": 0.9618279569892473 }, { "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": 2831743.9919999996 }, "evidence": "estimated", "fact_id": "plant:eia:3845#co2_intensity_net_t_per_mwh@2024", "label": "CO2 per MWh of net generation", "locator": "derived: co2_mass_tonnes@2024 / net_generation_mwh@2024 (pudl-output)", "maturity": "final", "method": "derived", "metric": "co2_intensity_net_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": 1.1246635276851307 }, { "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": 3039264.61 }, "evidence": "estimated", "fact_id": "plant:eia:3845#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": 1.0478716387724774 } ], "generators_monitored": 1, "generators_monitored_other": 0, "generators_total": 1, "generators_unmonitored": null, "history": [ { "all_units_monitored": true, "available": true, "combustion_mw": 729.9, "combustion_mw_monitored": 729.9, "conversion": { "short_tons_to_tonnes": 0.90718474 }, "crosswalk_source_ref": "pudl-epa-eia-crosswalk", "crosswalk_year": 2023, "evidence": "estimated", "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. Stack total of those units including any share attributable to steam sold; the plant's total only where every combustion generator is monitored", "coverage": { "eligible": 1, "included": 1, "unit": "combustion generators" }, "denominator": null, "evidence": "estimated", "fact_id": "plant:eia:3845#co2_mass_tonnes@2023", "label": "CO2 mass, monitored units", "locator": "core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "co2_mass_tonnes", "missing_reason": null, "note": "97.0% of operating unit-hours were flagged Measured; the rest follow Part 75 missing-data procedures, which are designed to err high", "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": "t CO2", "value": 4500084.784433693 }, { "basis": "The same sum in the unit EPA's files use (short tons); shown beside the metric figure so the conversion is visible", "coverage": { "eligible": 1, "included": 1, "unit": "combustion generators" }, "denominator": null, "evidence": "estimated", "fact_id": "plant:eia:3845#co2_mass_short_tons@2023", "label": "CO2 mass, monitored units, as filed", "locator": "core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "co2_mass_short_tons", "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": "short tons CO2", "value": 4960494.357999995 }, { "basis": "Sum over the year of each monitored unit's reported hourly gross load (MW) x operating time (h). A unit-reported quantity: a combined-cycle unit need not include its steam turbine, so this can be below EIA net generation", "coverage": null, "denominator": null, "evidence": "estimated", "fact_id": "plant:eia:3845#cems_gross_load_mwh@2023", "label": "Gross load of monitored units", "locator": "core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "cems_gross_load_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": 0, "quality": "valid", "source_ref": "pudl-epacems", "unit": "MWh", "value": 4436384.54 }, { "basis": "Sum over the year of each monitored unit's reported hourly heat input", "coverage": null, "denominator": null, "evidence": "estimated", "fact_id": "plant:eia:3845#cems_heat_input_mmbtu@2023", "label": "Heat input of monitored units", "locator": "core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "cems_heat_input_mmbtu", "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": "mmBtu", "value": 47296886.61399991 }, { "basis": "Sum of reported operating time over the plant's monitored units: unit-hours, so it can exceed the hours in the year when several units ran", "coverage": { "eligible": 1, "included": 1, "unit": "monitored units" }, "denominator": null, "evidence": "metered", "fact_id": "plant:eia:3845#cems_unit_operating_hours@2023", "label": "Unit operating hours, monitored units", "locator": "core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "cems_unit_operating_hours", "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": 1, "quality": "valid", "source_ref": "pudl-epacems", "unit": "h", "value": 7145.59 }, { "basis": "Calendar hours of the reporting year in which at least one monitored unit reported operating time; never above the hours in the year", "coverage": null, "denominator": null, "evidence": "metered", "fact_id": "plant:eia:3845#cems_hours_with_operation@2023", "label": "Hours in which a monitored unit ran", "locator": "core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "cems_hours_with_operation", "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": 7155.0 }, { "basis": "Distinct EPA emissions units at the plant with rows in the reporting year; an EPA unit is a combustor or stack, not an EIA generator", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#cems_units_monitored@2023", "label": "EPA emissions units with CEMS rows", "locator": "core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=3845", "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:3845#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=3845", "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": 1.0 }, { "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:3845#cems_generators_total@2023", "label": "Combustion generators at the plant", "locator": "out_eia__yearly_generators.parquet; report_date=2023-01-01; plant_id_eia=3845", "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": 1.0 }, { "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": 7155, "included": 6939, "unit": "operating unit-hours" }, "denominator": null, "evidence": "metered", "fact_id": "plant:eia:3845#cems_measured_share@2023", "label": "Share of operating unit-hours with measured CO2", "locator": "core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=3845", "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": 0.969811320754717 }, { "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": 4143372.0080000004 }, "evidence": "estimated", "fact_id": "plant:eia:3845#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": 1.0860923845951929 }, { "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": 4436384.54 }, "evidence": "estimated", "fact_id": "plant:eia:3845#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": 1.0143585939990885 } ], "generators_monitored": 1, "generators_monitored_other": 0, "generators_total": 1, "generators_unmonitored": null, "hours_by_measurement": { "measured": 6939, "operating_without_code": 0, "other_code": 0, "substituted": 216, "unit": "operating unit-hours" }, "measured_share": 0.969811320754717, "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": 5367, "operating_without_code": 0, "other_code": 0, "substituted": 213, "unit": "operating unit-hours" }, "measured_share": 0.9618279569892473, "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": [ { "capacity_mw": 729.9, "date": "2020-12-31", "date_precision": "day", "event_id": "centralia-unit1-retired-2020", "event_type": "retired", "source_publisher": "Washington State Department of Ecology", "source_ref": "notable-lifecycle-events", "source_url": "https://ecology.wa.gov/regulations-permits/compliance-enforcement/transalta", "summary": "TransAlta retired Centralia's first coal boiler on the deadline set by Washington's 2011 coal-transition law (SB 5769)." }, { "capacity_mw": 700.0, "date": "2025-12-09", "date_precision": "day", "event_id": "centralia-unit2-gas-conversion-announced-2025", "event_type": "announced", "source_publisher": "TransAlta", "source_ref": "notable-lifecycle-events", "source_url": "https://transalta.com/newsroom/transalta-signs-long-term-agreement-for-700-mw-at-centralia-facility-enabling-coal-to-natural-gas-conversion", "summary": "TransAlta and Puget Sound Energy signed a tolling deal to convert Unit 2 from coal to gas, targeting 2028 startup through 2044." }, { "capacity_mw": null, "date": "2025-12-16", "date_precision": "day", "event_id": "centralia-unit2-doe-emergency-order-2025", "event_type": "announced", "source_publisher": "TransAlta", "source_ref": "notable-lifecycle-events", "source_url": "https://transalta.com/newsroom/department-of-energy-mandates-centralia-unit-2-remain-available-for-operation-for-90-days/", "summary": "DOE ordered TransAlta to keep Unit 2 available for 90 days past its Dec. 31, 2025 statutory retirement deadline." }, { "capacity_mw": 729.9, "date": "2025-12-31", "date_precision": "day", "event_id": "centralia-unit2-retirement-planned-2025", "event_type": "retirement_planned", "source_publisher": "Washington State Department of Ecology", "source_ref": "notable-lifecycle-events", "source_url": "https://ecology.wa.gov/regulations-permits/compliance-enforcement/transalta", "summary": "Washington's 2011 law and TransAlta's agreement set this deadline for Unit 2; a federal emergency order kept it running past it." } ], "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": 1, "included": 1, "unit": "operating generators" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#nameplate_mw_op@2024", "label": "Nameplate capacity, operating generators", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=3845", "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": 729.9 }, { "basis": "Generator rows for the plant in the inventory year, any status", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#generator_count@2024", "label": "Generators listed", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=3845", "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": 7.0 }, { "basis": "Generator rows with status code OP", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#generator_count_op@2024", "label": "Operating generators", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=3845", "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": 1.0 }, { "basis": "Sum of generator nameplate MW with status code RE as listed in the inventory year's file; not a complete retirement history", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#nameplate_mw_retired@2024", "label": "Nameplate capacity, retired generators listed", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "nameplate_mw_retired", "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": 1051.9 }, { "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": 4, "included": 4, "unit": "plant x prime-mover x fuel rows" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#net_generation_mwh@2024", "label": "Net generation", "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2024-01-01; plant_id_eia=3845", "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": 2831743.9919999996 }, { "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": 729.9 }, "evidence": "reported", "fact_id": "plant:eia:3845#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": 0.44167040248795214 } ], "generators": [ { "dates": { "note": "EIA-860 reports month and year; day is a placeholder", "operating": "1972-12-01", "original_planned_operating": null, "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": "2020-12-01" }, "energy_source": { "code": "RC", "fuel_group": "coal", "label": "refined_coal" }, "facts": [ { "basis": "Generator nameplate capacity as reported on EIA-860", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "generator:eia:3845:1#capacity_mw@2024", "label": "Nameplate capacity", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=3845; generator_id=1", "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": 729.9 }, { "basis": "Reported or source-estimated net summer capability", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "generator:eia:3845:1#summer_capacity_mw@2024", "label": "Net summer capacity", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=3845; generator_id=1", "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": 670.0 }, { "basis": "Reported or source-estimated net winter capability", "coverage": null, "denominator": null, "evidence": "reported", "fact_id": "generator:eia:3845:1#winter_capacity_mw@2024", "label": "Net winter capacity", "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=3845; generator_id=1", "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": 670.0 } ], "generator_id": "1", "id": "generator:eia:3845:1", "is_storage": false, "operator": { "entity_type": "Q", "entity_type_label": "Independent power producer", "id": "org:eia:19099", "name": "TransAlta Centralia Generation" }, "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; 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dated by the complete inventory edition; never added to the baseline aggregate", "coverage": { "eligible": 7, "included": 7, "unit": "current and historical generators", "unknown_current_state": 0 }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#latest_nameplate_mw_op", "label": "Operating nameplate capacity, latest inventory", "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=3845; 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": 729.9 }, { "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": 7, "included": 7, "unit": "current and historical generators" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#latest_nameplate_mw_planned", "label": "Planned nameplate capacity, latest inventory", "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=3845; 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": 7, "included": 7, "unit": "current and historical generators" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#latest_nameplate_mw_retired", "label": "Retired or cancelled nameplate capacity, latest inventory", "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=3845; report_date=2026-08-01", "maturity": "provisional", "method": "derived", "metric": "latest_nameplate_mw_retired", "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": 1051.9 } ], "historical_units": [], "in_baseline": true, "last_retirement_date": "2020-12-01", "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": 729.9, "changed_on": "2026-08-01", "dates": { "operating": "1972-12-01", "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": "2020-12-01" }, "generator_id": "1", "id": "generator:eia:3845:1", "in_baseline": true, "life": "retired_or_cancelled", "resource_group": "coal", "status": { "category": "retired", "code": "RE", "label": "retired" }, "technology": "Conventional Steam Coal" }, { "capacity_mw": 729.9, "changed_on": "2026-08-01", "dates": { "operating": "1973-07-01", "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": null }, "generator_id": "2", "id": "generator:eia:3845:2", "in_baseline": true, "life": "operating", "resource_group": "coal", "status": { "category": "existing", "code": "OP", "label": "operating" }, "technology": "Conventional Steam Coal" }, { "capacity_mw": 60.5, "changed_on": "2026-08-01", "dates": { "operating": "2002-08-01", "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": "2013-01-01" }, "generator_id": "30", "id": "generator:eia:3845:30", "in_baseline": true, "life": "retired_or_cancelled", "resource_group": "gas", "status": { "category": "retired", "code": "RE", "label": "retired" }, "technology": "Natural Gas Fired Combined Cycle" }, { "capacity_mw": 60.5, "changed_on": "2026-08-01", "dates": { "operating": "2002-08-01", "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": "2013-01-01" }, "generator_id": "40", "id": "generator:eia:3845:40", "in_baseline": true, "life": "retired_or_cancelled", "resource_group": "gas", "status": { "category": "retired", "code": "RE", "label": "retired" }, "technology": "Natural Gas Fired Combined Cycle" }, { "capacity_mw": 60.5, "changed_on": "2026-08-01", "dates": { "operating": "2002-08-01", "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": "2013-01-01" }, "generator_id": "50", "id": "generator:eia:3845:50", "in_baseline": true, "life": "retired_or_cancelled", "resource_group": "gas", "status": { "category": "retired", "code": "RE", "label": "retired" }, "technology": "Natural Gas Fired Combined Cycle" }, { "capacity_mw": 60.5, "changed_on": "2026-08-01", "dates": { "operating": "2002-08-01", "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": "2013-01-01" }, "generator_id": "60", "id": "generator:eia:3845:60", "in_baseline": true, "life": "retired_or_cancelled", "resource_group": "gas", "status": { "category": "retired", "code": "RE", "label": "retired" }, "technology": "Natural Gas Fired Combined Cycle" }, { "capacity_mw": 80.0, "changed_on": "2026-08-01", "dates": { "operating": "2002-08-01", "planned_operating": null, "planned_retirement": null, "precision": "month", "retirement": "2013-01-01" }, "generator_id": "70", "id": "generator:eia:3845:70", "in_baseline": true, "life": "retired_or_cancelled", "resource_group": "gas", "status": { "category": "retired", "code": "RE", "label": "retired" }, "technology": "Natural Gas Fired Combined Cycle" } ] }, "location": { "city": "Centralia", "county": "Lewis", "datum": null, "lat": 46.755938, "locator": "out_eia__yearly_plants.parquet; report_date=2024-01-01; plant_id_eia=3845", "lon": -122.859764, "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": "WA", "timezone": "America/Los_Angeles" }, "name": "Centralia Generating Facility", "operator": { "entity_type": "Q", "entity_type_label": "Independent power producer", "id": "org:eia:19099", "name": "TransAlta Centralia Generation" }, "output": { "annual": [ { "components": [ { "energy_source": { "code": "DFO", "fuel_group": "oil", "label": "distillate_fuel_oil" }, "maturity": "final", "net_generation_mwh": 7429.273000000001, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "SUB", "fuel_group": "coal", "label": "subbituminous_coal" }, "maturity": "final", "net_generation_mwh": 4846034.569, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "WC", "fuel_group": "coal", "label": "waste_coal" }, "maturity": "final", "net_generation_mwh": 169913.163, "prime_mover": { "code": "ST", "label": "steam_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": 3, "included": 3, "unit": "plant x prime-mover x fuel rows" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#net_generation_mwh@2015", "label": "Net generation", "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2015-01-01; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "net_generation_mwh", "missing_reason": null, "note": null, "period": { "hours": 8760, "kind": "calendar_year", "period_end": "2016-01-01T00:00:00Z", "period_start": "2015-01-01T00:00:00Z", "year": 2015 }, "precision": 0, "quality": "valid", "source_ref": "pudl-output", "unit": "MWh", "value": 5023377.005 }, "rows": 3, "year": 2015 }, { "components": [ { "energy_source": { "code": "DFO", "fuel_group": "oil", "label": "distillate_fuel_oil" }, "maturity": "final", "net_generation_mwh": 8107.895, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "RC", "fuel_group": "coal", "label": "refined_coal" }, "maturity": "final", "net_generation_mwh": 4513836.33, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "SUB", "fuel_group": "coal", "label": "subbituminous_coal" }, "maturity": "final", "net_generation_mwh": 0.0, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "WC", "fuel_group": "coal", "label": "waste_coal" }, "maturity": "final", "net_generation_mwh": 54890.782, "prime_mover": { "code": "ST", "label": "steam_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": 4, "included": 4, "unit": "plant x prime-mover x fuel rows" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#net_generation_mwh@2016", "label": "Net generation", "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2016-01-01; plant_id_eia=3845", "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": 4576835.007 }, "rows": 4, "year": 2016 }, { "components": [ { "energy_source": { "code": "DFO", "fuel_group": "oil", "label": "distillate_fuel_oil" }, "maturity": "final", "net_generation_mwh": 9071.437, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "RC", "fuel_group": "coal", "label": "refined_coal" }, "maturity": "final", "net_generation_mwh": 5379272.46, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "SUB", "fuel_group": "coal", "label": "subbituminous_coal" }, "maturity": "final", "net_generation_mwh": 0.0, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "WC", "fuel_group": "coal", "label": "waste_coal" }, "maturity": "final", "net_generation_mwh": 83370.11399999999, "prime_mover": { "code": "ST", "label": "steam_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": 4, "included": 4, "unit": "plant x prime-mover x fuel rows" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#net_generation_mwh@2017", "label": "Net generation", "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2017-01-01; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "net_generation_mwh", "missing_reason": null, "note": null, "period": { "hours": 8760, "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": "pudl-output", "unit": "MWh", "value": 5471714.011 }, "rows": 4, "year": 2017 }, { "components": [ { "energy_source": { "code": "DFO", "fuel_group": "oil", "label": "distillate_fuel_oil" }, "maturity": "final", "net_generation_mwh": 8117.9220000000005, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "RC", "fuel_group": "coal", "label": "refined_coal" }, "maturity": "final", "net_generation_mwh": 5350284.542, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "SUB", "fuel_group": "coal", "label": "subbituminous_coal" }, "maturity": "final", "net_generation_mwh": 0.0, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": 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"value": 5367382.993000001 }, "rows": 4, "year": 2018 }, { "components": [ { "energy_source": { "code": "DFO", "fuel_group": "oil", "label": "distillate_fuel_oil" }, "maturity": "final", "net_generation_mwh": 8635.399, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "RC", "fuel_group": "coal", "label": "refined_coal" }, "maturity": "final", "net_generation_mwh": 7146271.6000000015, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "SUB", "fuel_group": "coal", "label": "subbituminous_coal" }, "maturity": "final", "net_generation_mwh": 0.0, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "WC", "fuel_group": "coal", "label": "waste_coal" }, "maturity": "final", "net_generation_mwh": 0.0, "prime_mover": { "code": "ST", "label": "steam_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": 4, "included": 4, "unit": "plant x prime-mover x fuel rows" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#net_generation_mwh@2019", "label": "Net generation", "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2019-01-01; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "net_generation_mwh", "missing_reason": null, "note": null, "period": { "hours": 8760, "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": "pudl-output", "unit": "MWh", "value": 7154906.999000002 }, "rows": 4, "year": 2019 }, { "components": [ { "energy_source": { "code": "DFO", "fuel_group": "oil", "label": "distillate_fuel_oil" }, "maturity": "final", "net_generation_mwh": 5819.172, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "RC", "fuel_group": "coal", "label": "refined_coal" }, "maturity": "final", "net_generation_mwh": 5142066.16, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "SUB", "fuel_group": "coal", "label": "subbituminous_coal" }, "maturity": "final", "net_generation_mwh": 0.0, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "WC", "fuel_group": "coal", "label": "waste_coal" }, "maturity": "final", "net_generation_mwh": 1151.681, "prime_mover": { "code": "ST", "label": "steam_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": 4, "included": 4, "unit": "plant x prime-mover x fuel rows" }, "denominator": null, "evidence": "reported", "fact_id": "plant:eia:3845#net_generation_mwh@2020", "label": "Net generation", "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2020-01-01; plant_id_eia=3845", "maturity": "final", "method": "derived", "metric": "net_generation_mwh", "missing_reason": null, "note": null, "period": { "hours": 8784, "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": "pudl-output", "unit": "MWh", "value": 5149037.013 }, "rows": 4, "year": 2020 }, { "components": [ { "energy_source": { "code": "DFO", "fuel_group": "oil", "label": "distillate_fuel_oil" }, "maturity": "final", "net_generation_mwh": 6825.776, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "RC", "fuel_group": "coal", "label": "refined_coal" }, "maturity": "final", "net_generation_mwh": 2998258.747, "prime_mover": { "code": "ST", "label": "steam_turbine" } }, { "energy_source": { "code": "SUB", "fuel_group": "coal", "label": "subbituminous_coal" 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"period_end": "2024-10-01T00:00:00Z", "period_start": "2024-09-01T00:00:00Z", "quality": "valid", "rows": 4, "value": 273308.998 }, { "hours": 744, "maturity": "final", "period_end": "2024-11-01T00:00:00Z", "period_start": "2024-10-01T00:00:00Z", "quality": "valid", "rows": 4, "value": 382308.996 }, { "hours": 720, "maturity": "final", "period_end": "2024-12-01T00:00:00Z", "period_start": "2024-11-01T00:00:00Z", "quality": "valid", "rows": 4, "value": 350283.0 }, { "hours": 744, "maturity": "final", "period_end": "2025-01-01T00:00:00Z", "period_start": "2024-12-01T00:00:00Z", "quality": "valid", "rows": 4, "value": 307941.999 } ], "years_eligible": [ 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 ], "years_excluded": [] }, "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" }, "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": 1, "owned_mw": 729.9, "owner": { "entity_type": "Q", "entity_type_label": "Independent power producer", "id": "org:eia:19099", "name": "TransAlta Centralia Generation" } } ], "unassigned_mw": 0.0, "unknown_coverage": { "eligible": 0, "included": 0, "unit": "native rows" }, "unknown_mw": 0.0 }, "release_id": "20260929T050546Z-51ae0f7d3c78", "reporting": { "ba": { "code": "BPAT", "id": "ba:eia:BPAT", "name": "Bonneville Power Administration" }, "ba_code_source": "BPAT", "frame_role": "core", "in_geographic_core": true, "in_reporting_frame": true, "inclusion_reason": "ba_in_frame_v1", "membership_review_status": "source", "reporter_frequency": "M" }, "resource_group": "coal", "schema_version": "1.41.0", "source_name": "Transalta Centralia Generation", "sources": [ "curated-aliases", "pudl-epa-eia-crosswalk", "pudl-epacems", "pudl-generators", "pudl-output", "pudl-ownership", "pudl-plants" ], "storage": null, "type": "plant", "updated_reason": null, "water": null }