Interconnection.fyi
By GridTracker™

Washington Power Plants

Power Plants
152
Operational
140
Planned
12
Expanding
0
Total Capacity (MW)
34,872.8

Looking for projects still in development in Washington?

EIA 860M shows operational plants and those starting operation within one year. Our Interconnection Queue dataset tracks 30,000+ projects from application through commercial operation.

Map of Washington Power Plants by County

Project NameCountyStatusCapacity (MW)UnitsGeneration TypeOperator
Grand CouleeGrantOperational6.8 GW33Hydro, Pumped StorageU S Bureau of Reclamation
Chief JosephDouglasOperational2.45 GW27HydroUSACE Northwestern Division
Rocky ReachChelanOperational1.34 GW11HydroPUD No 1 of Chelan County - (WA)
WanapumGrantOperational1.22 GW10HydroPUD No 2 of Grant County - (WA)
Columbia Generating StationBentonOperational1.2 GW1NuclearEnergy Northwest- Columbia
Hop Hill Solar Generation and BESSBentonPlanned1.2 GW3Solar, Battery, WindHOHI bn, LLC
BoundaryPend OreilleOperational1.15 GW6HydroCity of Seattle - (WA)
Priest RapidsGrantOperational950 MW10HydroPUD No 2 of Grant County - (WA)
WellsChelanOperational866.8 MW10HydroPUD No 1 of Douglas County - (WA)
Little GooseColumbiaOperational810 MW6HydroUSACE Northwestern Division
Lower GraniteWhitmanOperational810 MW6HydroUSACE Northwestern Division
Lower MonumentalWalla WallaOperational810 MW6HydroUSACE Northwestern Division
Transalta Centralia GenerationLewisOperational729.9 MW1CoalTransAlta Centralia Gen LLC
Grays Harbor Energy FacilityGrays HarborOperational714.9 MW3GasInvenergy Services LLC
Rock IslandChelanOperational629.4 MW19HydroPUD No 1 of Chelan County - (WA)
Ice HarborWalla WallaOperational603 MW6HydroUSACE Northwestern Division
Lower Snake Solar Generation BESSGarfieldPlanned600 MW2Solar, BatteryLOSN, LLC
Chehalis Generating FacilityLewisOperational593.3 MW3GasPacifiCorp
RossWhatcomOperational450 MW4HydroCity of Seattle - (WA)
Fredonia (WA)SkagitOperational376 MW4GasPuget Sound Energy Inc
Lower Snake River Wind Energy ProjectGarfieldOperational342.7 MW1WindPuget Sound Energy Inc
Mint Farm Generating StationCowlitzOperational319 MW2GasPuget Sound Energy Inc
Frederickson Power LPPierceOperational318.3 MW2GasFrederickson Power LP
Goldendale Generating StationKlickitatOperational302.8 MW2GasPuget Sound Energy Inc
MossyrockLewisOperational300 MW2HydroCity of Tacoma - (WA)
Ferndale Generating StationWhatcomOperational285.5 MW3GasPuget Sound Energy Inc
Wild HorseKittitasOperational273.1 MW3Wind, SolarPuget Sound Energy Inc
Tucannon River Wind FarmColumbiaOperational266.8 MW1WindPortland General Electric Co
Windy Flats Wind ProjectKlickitatOperational262.2 MW1WindWindy Flats Partners LLC
River Road Gen PlantClarkOperational248 MW1GasPUD No 1 of Clark County - (WA)
Swift 1SkamaniaOperational240 MW3HydroPacifiCorp
Marengo Wind PlantColumbiaOperational234 MW2WindPacifiCorp
GorgeWhatcomOperational207.3 MW4HydroCity of Seattle - (WA)
White Creek Wind FarmKlickitatOperational204 MW1WindWhite Creek Wind 1 LLC
Centralia Battery Energy Storage SystemThurstonPlanned200 MW1BatteryCENT bn, LLC
Greenwater BESSPiercePlanned200 MW1BatteryGREE bn, LLC
Big Horn Wind ProjectKlickitatOperational199 MW1WindAvangrid Power LLC
DiabloWhatcomOperational182.4 MW4HydroCity of Seattle - (WA)
FredericksonPierceOperational177.8 MW2GasPuget Sound Energy Inc
FPL Energy Vansycle LLC (WA)Walla WallaOperational176.9 MW1WindFPL Energy Vansycle LLC
EncogenWhatcomOperational176.4 MW4GasPuget Sound Energy Inc
AGATE BESSKitsapPlanned170 MW1BatteryBrightNight Power
WhitehornWhatcomOperational169.2 MW2GasPuget Sound Energy Inc
MayfieldLewisOperational162 MW4HydroCity of Tacoma - (WA)
CarrigerKlickitatPlanned160 MW1SolarCypress Creek Renewables
Hopkins Ridge WindColumbiaOperational156.6 MW2WindPuget Sound Energy Inc
Juniper Canyon I Wind ProjectKlickitatOperational151.2 MW1WindAvangrid Power LLC
Lund Hill SolarKlickitatOperational150 MW1SolarAvangrid Power LLC
Rattlesnake FlatAdamsOperational144 MW1WindRattlesnake Flat, LLC
Bluebird SolarKlickitatPlanned140 MW1SolarAvangrid Power LLC
HF Sinclair Puget Sound RefiningSkagitOperational139.8 MW3GasHF Sinclair Corporation
Washington WindKlickitatOperational136.3 MW1WindWashington Wind LLC
MerwinCowlitzOperational136 MW4HydroPacifiCorp
Skookumchuck Wind FacilityThurstonOperational136 MW1WindSouthern Power Co
YaleCowlitzOperational134 MW2HydroPacifiCorp
SR Quincy ValleyGrantPlanned130 MW1SolarSR Quincy Valley, LLC
Saddle Mountain East Wind FarmAdamsPlanned126 MW1WindEDP Renewables North America LLC
Sumas Power PlantWhatcomOperational125.5 MW2GasPuget Sound Energy Inc
H M JacksonSnohomishOperational111.8 MW4HydroPUD No 1 of Snohomish County - (WA)
PalouseWhitmanOperational105.3 MW1WindOnward Energy
Upper BakerWhatcomOperational104.8 MW2HydroPuget Sound Energy Inc
Lower BakerSkagitOperational103.9 MW2HydroPuget Sound Energy Inc
Goodnoe HillsKlickitatOperational103.4 MW1WindPacifiCorp
Sagebrush Power PartnersKittitasOperational100.7 MW1WindSagebrush Power Partners, LLC
Harvest Wind ProjectKlickitatOperational98.9 MW1WindHarvest Wind Project TIC
Nine CanyonBentonOperational95.9 MW1WindEnergy Northwest
Summer Falls Power PlantGrantOperational92 MW2HydroColumbia Basin Hydropower
Box CanyonPend OreilleOperational90 MW4HydroPUD No 1 of Pend Oreille County - (WA)
Vantage Wind Energy LLCKittitasOperational90 MW1WindInvenergy Services LLC
Cushman 2MasonOperational84.6 MW5HydroCity of Tacoma - (WA)
Goose Prairie SolarYakimaOperational80 MW1SolarGoose Prairie Solar LLC
High Top SolarYakimaPlanned80 MW1SolarCypress Creek Renewables
Ostrea Solar, LLCYakimaOperational80 MW1SolarCypress Creek Renewables
Swift 2CowlitzOperational72 MW2HydroPacifiCorp
Cowlitz FallsLewisOperational70 MW2HydroPUD No 1 of Lewis County - (WA)
Long LakeLincolnOperational70 MW4HydroAvista Corp
LaGrandePierceOperational64 MW5HydroCity of Tacoma - (WA)
Nippon Dynawave Packaging Longview WACowlitzOperational62.4 MW4BiomassNippon Dynawave Packaging Co.
Northeast (WA)SpokaneOperational61.8 MW1GasAvista Corp
ChelanChelanOperational59.2 MW2HydroPUD No 1 of Chelan County - (WA)
Kettle Falls Generating StationStevensOperational57.9 MW2Biomass, GasAvista Corp
AlderPierceOperational51 MW2HydroCity of Tacoma - (WA)
Cushman 1MasonOperational50.4 MW2HydroCity of Tacoma - (WA)
Big Horn Wind IIKlickitatOperational50 MW1WindAvangrid Power LLC
Linden Wind Energy ProjectKlickitatOperational50 MW1WindLos Angeles Department of Water & Power
Orion - HelionChelanPlanned50 MW1OtherHelion Energy, Inc.
Longview FibreCowlitzOperational45 MW2BiomassLongview Fibre Co
Little Falls (WA)LincolnOperational43.2 MW4HydroAvista Corp
Snoqualmie 2KingOperational38.7 MW2HydroPuget Sound Energy Inc
Nine MileSpokaneOperational37.6 MW4HydroAvista Corp
Cedar Falls (WA)KingOperational30 MW2HydroCity of Seattle - (WA)
Sierra Pacific Burlington FacilitySkagitOperational28 MW1BiomassSierra Pacific Industries
PackwoodLewisOperational27.5 MW1HydroEnergy Northwest - Packwood
Main Canal HeadworksGrantOperational26.8 MW1HydroColumbia Basin Hydropower
Spokane Waste to EnergySpokaneOperational26 MW1WasteCity of Spokane - (WA)
Arlington Battery Energy Storage SystemSnohomishPlanned25 MW1BatteryPUD No 1 of Snohomish County - (WA)
Boulder ParkSpokaneOperational24.6 MW6GasAvista Corp
Twin Falls HydroKingOperational24 MW2HydroCentral Rivers Power US, LLC
ElectronPierceOperational22.8 MW4HydroElectron Hydro LLC
Adams Nielson SolarAdamsOperational19.2 MW1SolarStrata Manager, LLC
Sierra Pacific AberdeenGrays HarborOperational18 MW1BiomassSierra Pacific Industries
Upriver Dam Hydro PlantSpokaneOperational17.6 MW5HydroCity of Spokane - (WA)
South Fork ToltKingOperational16.8 MW1HydroCity of Seattle - (WA)
Cosmo Specialty Fibers PlantGrays HarborOperational15 MW2BiomassCosmo Specialty Fibers
University of Washington Power PlantKingOperational15 MW7Oil, GasUniversity of Washington
Monroe StreetSpokaneOperational14.8 MW1HydroAvista Corp
Tieton Dam Hydro Electric ProjectYakimaOperational13.8 MW2HydroCity of Burbank Water and Power - (CA)
RozaYakimaOperational12.9 MW1HydroU S Bureau of Reclamation
SnoqualmieKingOperational12.8 MW5HydroPuget Sound Energy Inc
WynoocheeGrays HarborOperational12.8 MW1HydroCity of Tacoma - (WA)
McKinley Paper Co. - Washington MillClallamOperational12.6 MW1BiomassMcKinley Paper Co. - Washington Mill
ChandlerBentonOperational12 MW2HydroU S Bureau of Reclamation
Koma KulshanWhatcomOperational12 MW1HydroEagle Creek Renewable Energy, LLC
YelmThurstonOperational12 MW3HydroCity of Centralia - (WA)
McNary Dam Fish Attraction ProjectBentonOperational10 MW1HydroNorthern Wasco County PUD - (OR)
Upper FallsSpokaneOperational10 MW1HydroAvista Corp
Port Townsend PaperJeffersonOperational7.5 MW1BiomassPort Townsend Paper Co
Youngs Creek Hydroelectric ProjectSnohomishOperational7.5 MW1HydroPUD No 1 of Snohomish County - (WA)
Russell D SmithAdamsOperational6.1 MW1HydroColumbia Basin Hydropower
Calligan Creek Hydroelectric ProjectKingOperational6 MW1HydroPUD No 1 of Snohomish County - (WA)
Coastal Energy ProjectGrays HarborOperational6 MW1WindCoastal Community Action Program
Hancock Creek Hydroelectric ProjectKingOperational6 MW1HydroPUD No 1 of Snohomish County - (WA)
Cedar HillsKingOperational5.4 MW18Landfill, GasKing County Solid Waste Division
Camas Solar ProjectKittitasOperational5 MW1SolarAltus Power America Management, LLC
Penstemon Solar ProjectKittitasOperational5 MW1SolarAltus Power America Management, LLC
Urtica Solar ProjectKittitasOperational5 MW1SolarAltus Power America Management, LLC
West Point Treatment PlantKingOperational4.6 MW2BiomassKing County Dept-Natural Res - (WA)
DarringtonSnohomishOperational4.5 MW1BiomassHampton Lumber Mills - Washington Inc
LRI LFGTE FacilityPierceOperational4.5 MW3Landfill, GasFrontier Operation Services
Swauk Wind LLCKittitasOperational4.3 MW1WindGamesa Wind US LLC
Weeks FallsKingOperational4.3 MW1HydroEagle Creek Renewable Energy, LLC
Horn Rapids Solar, Storage and TrainingBentonOperational4.2 MW2Solar, BatteryEnergy Northwest
Grimes WayWhitmanOperational4 MW3Gas, OilWashington State University
Black CreekKingOperational3.7 MW1HydroBlack Creek Hydro Inc
Crystal MountainPierceOperational2.7 MW1OilPuget Sound Energy Inc
Drop 2 (WA)YakimaOperational2.5 MW1HydroYakama Power
NewhalemWhatcomOperational2.3 MW1HydroCity of Seattle - (WA)
Potholes East Canal 66.0FranklinOperational2.3 MW1HydroColumbia Basin Hydropower
Eltopia Branch Canal 4.6FranklinOperational2.2 MW1HydroColumbia Basin Hydropower
Twin ReservoirsWalla WallaOperational2.2 MW1HydroCity of Walla Walla - (WA)
Glacier Battery StorageWhatcomOperational2 MW1BatteryPuget Sound Energy Inc
Meyers FallsStevensOperational1.8 MW4HydroHydro Technology Systems Inc
CowicheYakimaOperational1.7 MW1HydroYakima-Tieton Irrigation Dist
Drop 3 (WA)YakimaOperational1.6 MW2HydroYakama Power
Orchard Avenue 1YakimaOperational1.6 MW2HydroYakima-Tieton Irrigation Dist
Rocky Brook HydroelectricJeffersonOperational1.6 MW1HydroRocky Brook Electric Inc
Sheep Creek HydroStevensOperational1.6 MW2HydroSheep Creek Hydro Inc
Arlington MicrogridSnohomishOperational1.5 MW2Battery, SolarPUD No 1 of Snohomish County - (WA)
Nooksack HydroWhatcomOperational1.5 MW1HydroPuget Sound Hydro LLC
Lilliwaup Falls GeneratingMasonOperational1.4 MW7HydroWilliam G. Reed Jr
Biotech LS 0836WhitmanOperational1 MW1OilWashington State University
SkookumchuckThurstonOperational1 MW1HydroTransAlta Centralia Gen LLC

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Data source: U.S. Energy Information Administration EIA Form 860M

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Alberta Electric System OperatorAllegheny PowerAlliant Energy EastAlliant Energy WestAmeren IllinoisAmeren MissouriAmerican Electric PowerAmerican Municipal PowerAmerican Transmission CompanyAmerican Transmission SystemsArizona Public ServiceArkansas Electric Cooperative CorporationAssociated Electric CooperativeAvista UtilitiesBC HydroBaltimore Gas and ElectricBangor Hydro ElectricBasin Electric Power CooperativeBig Rivers Electric CorporationBlack Hills Cheyenne Light Fuel and Power TransmissionBlack Hills Colorado ElectricBlack Hills PowerBonneville Power AdministrationCedar Falls Municipal Electric UtilityCedar Falls UtilitiesCentral Hudson Gas and ElectricCentral Maine PowerCentral Power Electric CooperativeChelan County Public Utility DistrictCity Utilities of Springfield MissouriCity Water, Light and PowerCity of Columbia, MissouriCity of Muscatine, IowaCleco HoldingsColorado River Storage Project TransmissionColorado Springs UtilitiesCommonwealth EdisonConsolidated EdisonConsumers EnergyCooperative EnergyCorn Belt Power CooperativeDCR TransmissionDairyland Power CooperativeDayton Power and LightDelmarva Power and LightDesertLinkDominion EnergyDominion Energy South CarolinaDuke EnergyDuke Energy CarolinasDuke Energy FloridaDuke Energy IndianaDuke Energy Ohio and KentuckyDuke Energy ProgressDuquesne Light CompanyEast Kentucky Power CooperativeEast River Electric Power CooperativeEast Texas Electric CooperativeEl Paso ElectricEmpire District Electric CompanyEntergyEntergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy TexasEssential PowerEvergyEvergy Missouri WestEversourceEwington Energy SystemsFarmers Electric Cooperative of New MexicoFarmington Electric Utility SystemFirstEnergyFlorida Power and LightGeorgia TransmissionGrand River Dam AuthorityGrand River EnergyGrant County Public Utility DistrictGridLianceGridLiance WestGridUnityHenderson Municipal Power and LightHoosier EnergyHorizon West TransmissionHydro-QuébecIMEUISO New EnglandITC Great PlainsITC MidwestITC TransmissionIdaho Power CompanyImperial Irrigation DistrictIndependence Power and LightIndependent Electricity System OperatorIndianapolis Power and LightJacksonville Electric AuthorityJersey Central Power and LightKACYKansas City Board of Public UtilitiesKansas City Power and LightKansas Power PoolLS PowerLS Power Grid New YorkLafayette Utilities SystemLea County Electric CooperativeLincoln Electric SystemLong Island Power Authority
Los Angeles Department of Water and PowerLouisville Gas and Electric and Kentucky Utilities EnergyLoveland Area Projects TransmissionLower Yellowstone Rural Electric CooperativeMadison Gas and ElectricMaine Public ServiceManitoba HydroMcKenzie Electric CooperativeMcPherson Board of Public UtilitiesMetropolitan Edison CompanyMichigan Electric Transmission CompanyMichigan Public Power AgencyMid-Kansas Electric CompanyMidAmerican EnergyMidcontinent Independent System OperatorMidwest EnergyMinnesota Municipal Power AgencyMinnesota PowerMinnkota Power CooperativeMissouri River Energy ServicesMissouri Western Energy CorporationMontana-Dakota UtilitiesMunicipal Commission of BoonvilleNAEANB PowerNV EnergyNational GridNavajo-CrystalNebraska Public Power DistrictNew York Power AuthorityNew York State Electric and GasNew York TranscoNextEra Energy TransmissionNextEra Energy Transmission SouthwestNorthWestern EnergyNortheast UtilitiesNorthern Indiana Public ServiceNorthern States Power CompanyNorthwest Iowa Power CooperativeNorthwestern Wisconsin Electric CompanyNova Scotia PowerOhio Valley Electric CorporationOklahoma Gas and ElectricOld Dominion Electric CooperativeOmaha Public Power DistrictOrange and RocklandOrlando Utilities CommissionOtter Tail Power CompanyPECO Energy CompanyPJMPPL CorporationPacifiCorpPacific Gas and Electric CompanyPennsylvania Electric CompanyPeople's Electric CooperativePlatte River Power AuthorityPortland General ElectricPotomac Electric Power CompanyPrairie PowerPublic Service Company Of ColoradoPublic Service Company of New MexicoPublic Service Electric and GasPuget Sound EnergyRochester Gas and ElectricRochester Public UtilitiesRockland Electric CompanySacramento Municipal Utility DistrictSalt River ProjectSam Houston Electric CooperativeSan Diego Gas and ElectricSantee CooperSaskPowerSeminole Electric CooperativeSouth Mississippi Electric Power AssociationSouth Plains Electric CooperativeSouthern California EdisonSouthern CompanySouthern Illinois Power CooperativeSouthern Indiana Gas and Electric CompanySouthern Maryland Electric CooperativeSouthern Minnesota Municipal Power AgencySouthwestern Power AdministrationSouthwestern Public Service CompanySunflower Electric Power CorporationTacoma Public UtilitiesTampa Electric CompanyTennessee Valley AuthorityTransource MissouriTri-County Electric CooperativeTri-State Generation and Transmission AssociationTucson Electric PowerUnited Gas Improvement CompanyUnited Illuminating CompanyUpper Peninsula Power CompanyValley Electric AssociationVillage of ArcadeWAPA Sierra NevadaWAPA/BEPC/HCPD Integrated SystemWabash Valley Power AssociationWestar EnergyWestern Area Power AdministrationWestern Area Power Administration Desert Southwest RegionWestern Farmers Electric CooperativeWisconsin Electric Power CompanyWisconsin Public Service CorporationWolverine Power Supply CooperativeXcel Energy

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