Prices here are state averages across all utilities and rate plans, from the U.S. Energy Information Administration — not the rate on any one bill. Generation-mix figures are reported annually, not real time.

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Power Plants in Washington

128 operating plants, ranked by nameplate capacity.

Grand CouleeU S Bureau of Reclamation · Conventional Hydroelectric · 33 generators6,809 MW Chief JosephUSACE Northwestern Division · Conventional Hydroelectric · 19 generators1,743.8 MW Rocky ReachPUD No 1 of Chelan County · Conventional Hydroelectric · 11 generators1,349.2 MW WanapumPUD No 2 of Grant County · Conventional Hydroelectric · 10 generators1,220 MW Columbia Generating StationEnergy Northwest- Columbia · Nuclear · 1 generator1,200 MW BoundaryCity of Seattle - (WA) · Conventional Hydroelectric · 6 generators1,159.7 MW Priest RapidsPUD No 2 of Grant County · Conventional Hydroelectric · 10 generators950 MW WellsPUD No 1 of Douglas County · Conventional Hydroelectric · 9 generators789.4 MW Transalta Centralia GenerationTransAlta Centralia Gen LLC · Conventional Steam Coal · 1 generator729.9 MW Grays Harbor Energy FacilityInvenergy Services LLC · Natural Gas Fired Combined Cycle · 3 generators714.9 MW Lower MonumentalUSACE Northwestern Division · Conventional Hydroelectric · 5 generators675 MW Lower GraniteUSACE Northwestern Division · Conventional Hydroelectric · 5 generators675 MW Chehalis Generating FacilityPacifiCorp · Natural Gas Fired Combined Cycle · 3 generators593.3 MW Little GooseUSACE Northwestern Division · Conventional Hydroelectric · 4 generators540 MW Rock IslandPUD No 1 of Chelan County · Conventional Hydroelectric · 15 generators514.2 MW RossCity of Seattle - (WA) · Conventional Hydroelectric · 4 generators450 MW Ice HarborUSACE Northwestern Division · Conventional Hydroelectric · 4 generators423 MW Lower Snake River Wind Energy ProjectPuget Sound Energy Inc · Onshore Wind Turbine · 1 generator342.7 MW Mint Farm Generating StationPuget Sound Energy Inc · Natural Gas Fired Combined Cycle · 2 generators319 MW Frederickson Power LPFrederickson Power LP · Natural Gas Fired Combined Cycle · 2 generators318.3 MW Goldendale Generating StationPuget Sound Energy Inc · Natural Gas Fired Combined Cycle · 2 generators302.8 MW MossyrockCity of Tacoma - (WA) · Conventional Hydroelectric · 2 generators300 MW Ferndale Generating StationPuget Sound Energy Inc · Natural Gas Fired Combined Cycle · 3 generators285.5 MW Wild HorsePuget Sound Energy Inc · Onshore Wind Turbine · 3 generators273.1 MW Tucannon River Wind FarmPortland General Electric Co · Onshore Wind Turbine · 1 generator266.8 MW Windy Flats Wind ProjectWindy Flats Partners LLC · Onshore Wind Turbine · 1 generator262.2 MW River Road Gen PlantPUD No 1 of Clark County - (WA) · Natural Gas Fired Combined Cycle · 1 generator248 MW Swift 1PacifiCorp · Conventional Hydroelectric · 3 generators240 MW Marengo Wind PlantPacifiCorp · Onshore Wind Turbine · 2 generators234 MW GorgeCity of Seattle - (WA) · Conventional Hydroelectric · 4 generators207.3 MW White Creek Wind FarmWhite Creek Wind 1 LLC · Onshore Wind Turbine · 1 generator204 MW Big Horn Wind ProjectAvangrid Power LLC · Onshore Wind Turbine · 1 generator199 MW DiabloCity of Seattle - (WA) · Conventional Hydroelectric · 4 generators182.4 MW FredericksonPuget Sound Energy Inc · Natural Gas Fired Combustion Turbine · 2 generators177.8 MW FPL Energy Vansycle LLC (WA)FPL Energy Vansycle LLC · Onshore Wind Turbine · 1 generator176.9 MW EncogenPuget Sound Energy Inc · Natural Gas Fired Combined Cycle · 4 generators176.4 MW WhitehornPuget Sound Energy Inc · Natural Gas Fired Combustion Turbine · 2 generators169.2 MW MayfieldCity of Tacoma - (WA) · Conventional Hydroelectric · 4 generators162 MW Hopkins Ridge WindPuget Sound Energy Inc · Onshore Wind Turbine · 2 generators156.6 MW Juniper Canyon I Wind ProjectAvangrid Power LLC · Onshore Wind Turbine · 1 generator151.2 MW Lund Hill SolarAvangrid Power LLC · Solar Photovoltaic · 1 generator150 MW Rattlesnake FlatRattlesnake Flat, LLC · Onshore Wind Turbine · 1 generator144 MW HF Sinclair Puget Sound RefiningHF Sinclair Corporation · Natural Gas Fired Combustion Turbine · 3 generators139.8 MW Washington WindUnknown operator · Onshore Wind Turbine · 1 generator136.3 MW MerwinPacifiCorp · Conventional Hydroelectric · 4 generators136 MW Skookumchuck Wind FacilitySouthern Power Co · Onshore Wind Turbine · 1 generator136 MW YalePacifiCorp · Conventional Hydroelectric · 2 generators134 MW Sumas Power PlantPuget Sound Energy Inc · Natural Gas Fired Combined Cycle · 2 generators125.5 MW H M JacksonPUD No 1 of Snohomish County · Conventional Hydroelectric · 4 generators111.8 MW PalouseOnward Energy · Onshore Wind Turbine · 1 generator105.3 MW Upper BakerPuget Sound Energy Inc · Conventional Hydroelectric · 2 generators104.8 MW Lower BakerPuget Sound Energy Inc · Conventional Hydroelectric · 2 generators103.9 MW Goodnoe HillsPacifiCorp · Onshore Wind Turbine · 1 generator103.4 MW Sagebrush Power PartnersSagebrush Power Partners, LLC · Onshore Wind Turbine · 1 generator100.7 MW Harvest Wind ProjectHarvest Wind Project TIC · Onshore Wind Turbine · 1 generator98.9 MW Nine CanyonEnergy Northwest · Onshore Wind Turbine · 1 generator95.9 MW Summer Falls Power PlantColumbia Basin Hydropower · Conventional Hydroelectric · 2 generators92 MW Box CanyonPUD No 1 of Pend Oreille County · Conventional Hydroelectric · 4 generators90 MW Vantage Wind Energy LLCInvenergy Services LLC · Onshore Wind Turbine · 1 generator90 MW Cushman 2City of Tacoma - (WA) · Conventional Hydroelectric · 5 generators84.6 MW Ostrea Solar, LLCCypress Creek Renewables · Solar Photovoltaic · 1 generator80 MW Goose Prairie SolarGoose Prairie Solar LLC · Solar Photovoltaic · 1 generator80 MW Long LakeAvista Corp · Conventional Hydroelectric · 4 generators70 MW Cowlitz FallsPUD No 1 of Lewis County · Conventional Hydroelectric · 2 generators70 MW LaGrandeCity of Tacoma - (WA) · Conventional Hydroelectric · 5 generators64 MW Nippon Dynawave Packaging Longview WANippon Dynawave Packaging Co. · Wood/Wood Waste Biomass · 4 generators62.4 MW Northeast (WA)Avista Corp · Natural Gas Fired Combustion Turbine · 1 generator61.8 MW ChelanPUD No 1 of Chelan County · Conventional Hydroelectric · 2 generators59.2 MW Kettle Falls Generating StationAvista Corp · Wood/Wood Waste Biomass · 2 generators57.9 MW AlderCity of Tacoma - (WA) · Conventional Hydroelectric · 2 generators51 MW Cushman 1City of Tacoma - (WA) · Conventional Hydroelectric · 2 generators50.4 MW Linden Wind Energy ProjectLos Angeles Department of Water & Power · Onshore Wind Turbine · 1 generator50 MW Big Horn Wind IIAvangrid Power LLC · Onshore Wind Turbine · 1 generator50 MW Longview FibreLongview Fibre Co · Wood/Wood Waste Biomass · 2 generators45 MW Little Falls (WA)Avista Corp · Conventional Hydroelectric · 4 generators43.2 MW Snoqualmie 2Puget Sound Energy Inc · Conventional Hydroelectric · 2 generators38.7 MW Nine MileAvista Corp · Conventional Hydroelectric · 4 generators37.6 MW Cedar Falls (WA)City of Seattle - (WA) · Conventional Hydroelectric · 2 generators30 MW Sierra Pacific Burlington FacilitySierra Pacific Industries · Wood/Wood Waste Biomass · 1 generator28 MW PackwoodEnergy Northwest - Packwood · Conventional Hydroelectric · 1 generator27.5 MW Main Canal HeadworksColumbia Basin Hydropower · Conventional Hydroelectric · 1 generator26.8 MW Spokane Waste to EnergyCity of Spokane · Municipal Solid Waste · 1 generator26 MW Boulder ParkAvista Corp · Natural Gas Internal Combustion Engine · 6 generators24.6 MW Twin Falls HydroCentral Rivers Power US, LLC · Conventional Hydroelectric · 2 generators24 MW ElectronElectron Hydro LLC · Conventional Hydroelectric · 4 generators22.8 MW Adams Nielson SolarStrata Manager, LLC · Solar Photovoltaic · 1 generator19.2 MW Sierra Pacific AberdeenSierra Pacific Industries · Wood/Wood Waste Biomass · 1 generator18 MW Upriver Dam Hydro PlantCity of Spokane · Conventional Hydroelectric · 5 generators17.6 MW South Fork ToltCity of Seattle - (WA) · Conventional Hydroelectric · 1 generator16.8 MW Monroe StreetAvista Corp · Conventional Hydroelectric · 1 generator14.8 MW Tieton Dam Hydro Electric ProjectCity of Burbank Water and Power · Conventional Hydroelectric · 2 generators13.8 MW RozaU S Bureau of Reclamation · Conventional Hydroelectric · 1 generator12.9 MW SnoqualmiePuget Sound Energy Inc · Conventional Hydroelectric · 5 generators12.8 MW WynoocheeCity of Tacoma - (WA) · Conventional Hydroelectric · 1 generator12.8 MW Koma KulshanEagle Creek Renewable Energy, LLC · Conventional Hydroelectric · 1 generator12 MW ChandlerU S Bureau of Reclamation · Conventional Hydroelectric · 2 generators12 MW YelmCity of Centralia - (WA) · Conventional Hydroelectric · 3 generators12 MW Upper FallsAvista Corp · Conventional Hydroelectric · 1 generator10 MW McNary Dam Fish Attraction ProjectNorthern Wasco County PUD · Conventional Hydroelectric · 1 generator10 MW Youngs Creek Hydroelectric ProjectPUD No 1 of Snohomish County · Conventional Hydroelectric · 1 generator7.5 MW

Showing the top 100 of 128 plants by capacity.

Source: U.S. Energy Information Administration, Forms EIA-860/EIA-860M — currently operating generators only, aggregated to the plant level.

Power Plants in Washington | EnergyAtlasUSA