Directory of Power Plants in Washington

List of All Washington Power Plants

Displaying Results 1 to 2 of 2
Plant NameUtilityLocationBalancing AuthorityAnnual GenerationPlant DateLast UpdateFuel Types
DarringtonHampton Lumber Mills - Washington IncDarrington, WABonneville Power Administration (BPAT)17.0 GWhJan 2007Dec 2024 Wood/Wood Waste Solids
DiabloCity of Seattle - (WA)Rockport, WASeattle City Light (SCL)361.4 GWhSep 1936Dec 2024 Water

Browse Power Plants By Washington Counties

Figures are based on April 2025 generation numbers.
CountyState RankActive PlantsApr 2025 Generation
Grant County, WA# 1925.0 TWh
Chelan County, WA# 2511.4 TWh
Douglas County, WA# 319.8 TWh
Benton County, WA# 479.6 TWh
Lewis County, WA# 587.2 TWh
Klickitat County, WA# 6165.6 TWh
Whatcom County, WA# 7135.0 TWh
Pend Oreille County, WA# 833.4 TWh
Columbia County, WA# 943.4 TWh
Cowlitz County, WA# 1063.4 TWh
Grays Harbor County, WA# 1163.3 TWh
Walla Walla County, WA# 1243.2 TWh
Pierce County, WA# 13142.4 TWh
Whitman County, WA# 1461.7 TWh
Skagit County, WA# 1541.7 TWh
Clark County, WA# 1621.6 TWh
CountyState RankActive PlantsApr 2025 Generation
Kittitas County, WA# 1791.2 TWh
Garfield County, WA# 182831.5 GWh
Lincoln County, WA# 192641.5 GWh
Spokane County, WA# 207561.9 GWh
Skamania County, WA# 211553.9 GWh
Adams County, WA# 224457.5 GWh
Thurston County, WA# 234437.6 GWh
Snohomish County, WA# 249401.9 GWh
King County, WA# 2512366.3 GWh
Stevens County, WA# 264352.1 GWh
Mason County, WA# 273304.6 GWh
Yakima County, WA# 2812117.2 GWh
Clallam County, WA# 29337.5 GWh
Jefferson County, WA# 30326.8 GWh
Franklin County, WA# 31312.8 GWh