Colstrip Steam Electric Station

Entity plant:eia:6076 · release 20260929T050546Z-51ae0f7d3c78 · schema 1.41.0. Immutable citation page; values as published in this release. Current pages may be newer.

FactValueUnitPeriodEvidence / methodQualitySource and locator
Nameplate capacity, operating generators1,647.4MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076
Generators listed4count2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076
Operating generators2count2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076
Nameplate capacity, retired generators listed716.0MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076
Net generation9,028,457MWh2024reported / derivedvalidpudl-output
out_eia923__yearly_generation_fuel_combined.parquet; report_date=2024-01-01; plant_id_eia=6076
Capacity factor0.624fraction2024reported / derivedvalidpudl-output
derived: net_generation_mwh@2024 / (nameplate_mw_op x 8784 h)
Nameplate capacity358.0MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=1
Net summer capacity307.0MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=1
Net winter capacity307.0MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=1
Nameplate capacity358.0MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=2
Net summer capacity307.0MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=2
Net winter capacity307.0MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=2
Nameplate capacity823.7MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=3
Net summer capacity740.0MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=3
Net winter capacity740.0MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=3
Nameplate capacity823.7MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=4
Net summer capacity740.0MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=4
Net winter capacity740.0MW2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076; generator_id=4
CO2 mass, monitored units9,099,950t CO22024estimated / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=6076
CO2 mass, monitored units, as filed10,030,977short tons CO22024estimated / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=6076
Gross load of monitored units9,961,335MWh2024estimated / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=6076
Heat input of monitored units95,681,310mmBtu2024estimated / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=6076
Unit operating hours, monitored units14,298.8h2024metered / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=6076
Hours in which a monitored unit ran8,306count2024metered / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=6076
EPA emissions units with CEMS rows2count2024reported / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=6076
Combustion generators linked to a monitored unit2count2024reported / derivedvalidpudl-epa-eia-crosswalk
core_epa__assn_eia_epacamd.parquet; report_year=2024; plant_id_eia=6076
Combustion generators at the plant2count2024reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6076
Share of operating unit-hours with measured CO20.9841fraction2024metered / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2024; plant_id_eia=6076
CO2 per MWh of net generation1.008t CO2/MWh2024estimated / derivedvalidpudl-epacems
derived: co2_mass_tonnes@2024 / net_generation_mwh@2024 (pudl-output)
CO2 per MWh of gross load (unit-reported)0.914t CO2/MWh2024estimated / derivedvalidpudl-epacems
derived: co2_mass_tonnes@2024 / cems_gross_load_mwh@2024
CO2 mass, monitored units10,879,333t CO22023estimated / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=6076
CO2 mass, monitored units, as filed11,992,412short tons CO22023estimated / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=6076
Gross load of monitored units11,912,529MWh2023estimated / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=6076
Heat input of monitored units114,374,126mmBtu2023estimated / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=6076
Unit operating hours, monitored units16,235.3h2023metered / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=6076
Hours in which a monitored unit ran8,760count2023metered / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=6076
EPA emissions units with CEMS rows2count2023reported / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=6076
Combustion generators linked to a monitored unit2count2023reported / derivedvalidpudl-epa-eia-crosswalk
core_epa__assn_eia_epacamd.parquet; report_year=2023; plant_id_eia=6076
Combustion generators at the plant2count2023reported / derivedvalidpudl-generators
out_eia__yearly_generators.parquet; report_date=2023-01-01; plant_id_eia=6076
Share of operating unit-hours with measured CO20.9856fraction2023metered / derivedvalidpudl-epacems
core_epacems__hourly_emissions.parquet; year=2023; plant_id_eia=6076
CO2 per MWh of net generation1.005t CO2/MWh2023estimated / derivedvalidpudl-epacems
derived: co2_mass_tonnes@2023 / net_generation_mwh@2023 (pudl-output)
CO2 per MWh of gross load (unit-reported)0.913t CO2/MWh2023estimated / derivedvalidpudl-epacems
derived: co2_mass_tonnes@2023 / cems_gross_load_mwh@2023
Operating nameplate capacity, latest inventory1,647.4MW2026-08-01reported / derivedvalideia860m-inventory
Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=6076; report_date=2026-08-01
Planned nameplate capacity, latest inventory—MW2026-08-01reported / derivednot_applicable (not_applicable)eia860m-inventory
Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=6076; report_date=2026-08-01
Retired or cancelled nameplate capacity, latest inventory716.0MW2026-08-01reported / derivedvalideia860m-inventory
Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=6076; report_date=2026-08-01
Parent-attributed exposure411.9MW2024reported / derivedvalidownership-parents
derived: sum over operating generators of nameplate MW x direct share x each stated hop share up to org:curated:puget-holdings-llc; Part I Item 1: "Puget Holdings is owned by a consortium of long-term infrastructure investors including the British Columbia Investment Management Corporation (BCIMC), the Alberta Investment Management Corporation (AIMCo), Ontario Municipal Employee Retirement System (OMERS), PGGM Vermogensbeheer B.V., Macquarie Washington Clean Energy Investment, L.P., and the Ontario Teachers' Pension Plan Board"; Item 12 footnote 1 cites Schedule 13D/A of February 13, 2009
Parent-attributed exposure329.5MW2024reported / derivedvalidownership-parents
derived: sum over operating generators of nameplate MW x direct share x each stated hop share up to org:eia:15248; Portland General Electric Form 10-K for FY2025 (filed 2026-02-17), cover page: common stock registered under Section 12(b), trading symbol POR, New York Stock Exchange; Item 1: "The Company also has a 20% ownership interest in the Colstrip Units 3 and 4 coal-fired generating plant", operated by a third party
Parent-attributed exposure247.1MW2024reported / derivedvalidownership-parents
derived: sum over operating generators of nameplate MW x direct share x each stated hop share up to org:eia:15298; Talen Energy Corporation Form 10-K for FY2025 (filed 2026-02-26), Item 1: "Talen Montana, LLC, a Talen subsidiary that operates Colstrip, owns an undivided interest in Colstrip Unit 3"; "Talen Energy Supply, LLC, a direct subsidiary of Talen Energy Corporation that, thorough subsidiaries, indirectly holds all of Talen's assets and operations"; Exhibit 21.1 lists Talen Montana, LLC and Talen Montana Holdings, LLC (Delaware)
Parent-attributed exposure247.1MW2024reported / derivedvalidownership-parents
derived: sum over operating generators of nameplate MW x direct share x each stated hop share up to org:eia:20169; Avista Corporation Form 10-K for FY2025 (filed 2026-02-25), cover page: common stock, trading symbol AVA, New York Stock Exchange; Exhibit 21 lists Avista's own subsidiaries and no parent
Parent-attributed exposure247.1MW2024reported / derivedvalidownership-parents
derived: sum over operating generators of nameplate MW x direct share x each stated hop share up to org:sec:1993004; Cover page: common stock, trading symbol NWE, Nasdaq Stock Market LLC; Item 1: "as of January 1, 2026, we have a 55 percent ownership of Units 3 & 4"
Parent-attributed exposure164.7MW2024reported / derivedvalidownership-parents
derived: sum over operating generators of nameplate MW x direct share x each stated hop share up to org:sec:1067983; Berkshire Hathaway Inc. Form 10-K for FY2025 (filed 2026-03-02), cover page: Class A and Class B common stock registered under Section 12(b) on the New York Stock Exchange; Item 1: "a holding company owning subsidiaries engaged in numerous diverse business activities"
Unknown residual0.0MW2024reported / derivedvalidownership-parents
derived: nameplate_mw_op - sum of exposure at every terminal entity
Net generation14,844,275MWh2015reported / derivedvalidpudl-output
out_eia923__yearly_generation_fuel_combined.parquet; report_date=2015-01-01; plant_id_eia=6076
Net generation13,358,656MWh2016reported / derivedvalidpudl-output
out_eia923__yearly_generation_fuel_combined.parquet; report_date=2016-01-01; plant_id_eia=6076
Net generation13,337,994MWh2017reported / derivedvalidpudl-output
out_eia923__yearly_generation_fuel_combined.parquet; report_date=2017-01-01; plant_id_eia=6076
Net generation12,656,682MWh2018reported / derivedvalidpudl-output
out_eia923__yearly_generation_fuel_combined.parquet; report_date=2018-01-01; plant_id_eia=6076
Net generation13,407,682MWh2019reported / derivedvalidpudl-output
out_eia923__yearly_generation_fuel_combined.parquet; report_date=2019-01-01; plant_id_eia=6076
Net generation7,935,170MWh2020reported / derivedvalidpudl-output
out_eia923__yearly_generation_fuel_combined.parquet; report_date=2020-01-01; plant_id_eia=6076
Net generation10,010,332MWh2021reported / derivedvalidpudl-output
out_eia923__yearly_generation_fuel_combined.parquet; report_date=2021-01-01; plant_id_eia=6076
Net generation10,865,555MWh2022reported / derivedvalidpudl-output
out_eia923__yearly_generation_fuel_combined.parquet; report_date=2022-01-01; plant_id_eia=6076
Net generation10,820,444MWh2023reported / derivedvalidpudl-output
out_eia923__yearly_generation_fuel_combined.parquet; report_date=2023-01-01; plant_id_eia=6076

Sources

Each source's notice and terms: rights.json in this release.