Directory of Power Plants in Washington

List of All Washington Power Plants

Displaying Results 1 to 6 of 6
Plant NameUtilityLocationBalancing AuthorityAnnual GenerationPlant DateLast UpdateFuel Types
Box CanyonPUD No 1 of Pend Oreille CountyIone, WAAvista Corporation (AVA)464.1 GWhMay 1955Dec 2024 Water
BoundaryCity of Seattle - (WA)Metaline, WASeattle City Light (SCL)3.0 TWhJul 1967Apr 2025 Water
Boulder ParkAvista CorpSpokane, WAAvista Corporation (AVA)99.0 GWhApr 2002Dec 2024 Natural Gas
Black CreekBlack Creek Hydro IncSnoqualmie, WAPuget Sound Energy, Inc. (PSEI)9.7 GWhJan 1994Nov 2024 Water
Big Horn Wind ProjectAvangrid Power LLCBickelton, WAAvangrid Renewables, LLC (AVRN)462.4 GWhSep 2006Apr 2025 Wind
Big Horn Wind IIAvangrid Power LLCBickleton, WAAvangrid Renewables, LLC (AVRN)102.4 GWhDec 2010Apr 2025 Wind

Browse Power Plants By Washington Counties

Figures are based on October 2024 generation numbers.
CountyState RankActive PlantsOct 2024 Generation
Franklin County, WA# 31312.8 GWh
Jefferson County, WA# 30326.8 GWh
Clallam County, WA# 29337.5 GWh
Yakima County, WA# 2812117.2 GWh
Mason County, WA# 273304.6 GWh
Stevens County, WA# 264352.1 GWh
King County, WA# 2512366.3 GWh
Snohomish County, WA# 249401.9 GWh
Thurston County, WA# 234437.6 GWh
Adams County, WA# 224457.5 GWh
Skamania County, WA# 211553.9 GWh
Spokane County, WA# 207561.9 GWh
Lincoln County, WA# 192641.5 GWh
Garfield County, WA# 182831.5 GWh
Kittitas County, WA# 1791.2 TWh
Clark County, WA# 1621.6 TWh
CountyState RankActive PlantsOct 2024 Generation
Skagit County, WA# 1541.7 TWh
Whitman County, WA# 1461.7 TWh
Pierce County, WA# 13142.4 TWh
Walla Walla County, WA# 1243.2 TWh
Grays Harbor County, WA# 1163.3 TWh
Cowlitz County, WA# 1063.4 TWh
Columbia County, WA# 943.4 TWh
Pend Oreille County, WA# 833.4 TWh
Whatcom County, WA# 7135.0 TWh
Klickitat County, WA# 6165.6 TWh
Lewis County, WA# 587.2 TWh
Benton County, WA# 479.6 TWh
Douglas County, WA# 319.8 TWh
Chelan County, WA# 2511.4 TWh
Grant County, WA# 1925.0 TWh