List of power stations in Washington

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This is a list of electricity-generating power stations in the U.S. state of Washington, sorted by type and name. These include facilities that are located in more than one state. In 2023, Washington had a total summer capacity of 30,884 MW through all of its power plants, and a net generation of 102,960 GWh.[1] The electrical energy generation mix in 2024 was 59.6% hydroelectric, 17.7% natural gas, 9.8% nuclear, 8.3% wind, 2.8% coal, 1.1% biomass which includes most refuse-derived fuel. Utility-scale solar and other gases generated most of the remaining 0.7%. Small-scale photovoltaic installations generated an additional net 643 GWh to the state's electrical grid; an amount nearly 50 percent larger than Washington's utility-scale photovoltaic plants.[2]

Washington routinely delivers one-quarter of U.S. hydroelectric generation, and hosts the nation's largest capacity power station at Grand Coulee Dam. 60% of Washington households use electricity as their primary heating fuel, unlike most households in other U.S. states that typically utilize natural gas.[3]

File:Washington electricity production by type.webp
Washington electricity production by type

Fossil-fuel power stations

Script error: No such module "Side box". Data from the U.S. Energy Information Administration serves as a general reference.[4]

Coal

Name Location Coordinates Capacity
(MW) 		Operator Year opened Scheduled
retirement 		Refs
Centralia Power Plant Centralia Script error: No such module "Coordinates". 670 TransAlta Corporation 1972 2025 [4]

Natural gas

Name Location Coordinates Capacity
(MW) 		Operator Year opened Scheduled
retirement 		Refs
Boulder Park Generation Station Spokane Valley Script error: No such module "Coordinates". 24 Avista 2002 [4]
Chehalis Generation Facility Chehalis Script error: No such module "Coordinates". 477 PacifiCorp 2003 [4]
Encogen Generating Station Bellingham Script error: No such module "Coordinates". 159 Puget Sound Energy 1993 [4]
Fredonia Generating Station Skagit County Script error: No such module "Coordinates". 280 Puget Sound Energy 1984, 2001 [4]
Frederickson Generating Station Frederickson Script error: No such module "Coordinates". 134 Puget Sound Energy 1981 [4]
Frederickson 1 Generating Station Frederickson Script error: No such module "Coordinates". 246 Capital Power 2002 [4]
Goldendale Generating Station Goldendale Script error: No such module "Coordinates". 263 Puget Sound Energy 2004 [4]
Grays Harbor Energy CenterTemplate:Efn Satsop Script error: No such module "Coordinates". 604 Invenergy 2008 [4]
March Point Cogeneration Plant Anacortes Script error: No such module "Coordinates". 120 March Point Cogeneration Company 1991, 1993 [4]
Mint Farm Generating Station Longview Script error: No such module "Coordinates". 270 Puget Sound Energy 2008 [4]
Northeast (WA) Spokane Script error: No such module "Coordinates". 45 Avista 1978 [4]
River Road Generating Plant Vancouver Script error: No such module "Coordinates". 220 Clark Public Utilities 2010 [4]
Sumas Generating Station Sumas Script error: No such module "Coordinates". 125 Puget Sound Energy 1993 [4]
Ferndale Generating Station Ferndale Script error: No such module "Coordinates". 270 Tenaska Energy 1994 [4]
Whitehorn Generating Station Ferndale Script error: No such module "Coordinates". 134 Puget Sound Energy 1974, 1981 [4]

Nuclear power stations

Name Location Coordinates Capacity
(MW) 		Operator Year opened Notes
Columbia Generating Station Benton County Script error: No such module "Coordinates". 1,150 Energy Northwest 1984 Only US nuclear plant designed to be ramped up and down. Response time 1 hour

Renewable power stations

Data from the U.S. Energy Information Administration serves as a general reference.[4]

Hydroelectric

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Name Location Coordinates River Capacity
(MW) 		Operator Year opened <templatestyles src="Template:Tooltip/styles.css" />RefScript error: No such module "Check for unknown parameters".
Alder Dam Pierce County Script error: No such module "Coordinates". Nisqually River 50 Tacoma Power 1945 [5]
Bonneville Dam Skamania County
Multnomah County, OregonTemplate:Efn 		Script error: No such module "Coordinates". Columbia River 1,093 United States Army Corps of Engineers 1938, 1981 [4]
Boundary Dam Metaline Falls, Washington Script error: No such module "Coordinates". Pend Oreille River 1,024 Seattle City Light 1967 [4]
Box Canyon Dam Ione, Washington Script error: No such module "Coordinates". Pend Oreille River 90 Pend Oreille PUD 1955 [4]
Cedar Falls Dam Cedar Falls, Washington Script error: No such module "Coordinates". Cedar River 30 Seattle City Light 1921, 1929 [4]
Chief Joseph Dam Douglas County
Okanogan County 		Script error: No such module "Coordinates". Columbia River 2,620 United States Army Corps of Engineers 1958, 1973 [4]
Cowlitz Falls Dam Lewis County Script error: No such module "Coordinates". Cowlitz River 70 Lewis County Public Utilities District 1994 [6]
Cushman Dam No. 1 Mason County Script error: No such module "Coordinates". Skokomish River 43 Tacoma Power 1926 [7]
Cushman Dam No. 2 Mason County Script error: No such module "Coordinates". Skokomish River 81 Tacoma Power 1930–1931,
1952, 2013 		[7]
Diablo Dam Whatcom County Script error: No such module "Coordinates". Skagit River 159 Seattle City Light 1936–1937 [4]
Electron Hydroelectric Project Pierce County Script error: No such module "Coordinates". Puyallup River 26 Electron Hydro, LLC. 1904, 1929 [4]
Gorge Dam Whatcom County Script error: No such module "Coordinates". Skagit River 199 Seattle City Light 1924, 1929,
1951 		[4]
Grand Coulee Dam Grant County
Okanogan County 		Script error: No such module "Coordinates". Columbia River 6,809Template:Efn United States Bureau of Reclamation 1941, 1975 [4]
Henry M. Jackson Dam Snohomish County Script error: No such module "Coordinates". Sultan River 112 Snohomish County Public Utility District 1984 [8]
Ice Harbor Dam Franklin County
Walla Walla County 		Script error: No such module "Coordinates". Snake River 603 United States Army Corps of Engineers 1962,
1975–1976 		[4]
Lake Chelan Dam Chelan, Washington Script error: No such module "Coordinates". Chelan River 62.1 Chelan County Public Utility District 1927–1928 [9]
LaGrande Dam Pierce County Script error: No such module "Coordinates". Nisqually River 64 Tacoma Power 1912, 1945 [10]
Little Goose Dam Columbia County
Whitman County 		Script error: No such module "Coordinates". Snake River 932 United States Army Corps of Engineers 1970–1971,
1978 		[4]
Long Lake Dam Lincoln County Script error: No such module "Coordinates". Spokane River 71 Avista Utilities 1915, 1919,
1924 		[11]
Lower Baker Dam Skagit County Script error: No such module "Coordinates". Baker River 79 Puget Sound Energy 1960, 2013 [4]
Lower Granite Dam Garfield County
Whitman County 		Script error: No such module "Coordinates". Snake River 932 United States Army Corps of Engineers 1975, 1978 [4]
Lower Monumental Dam Franklin County
Walla Walla County 		Script error: No such module "Coordinates". Snake River 932 United States Army Corps of Engineers 1969–1970,
1979 		[4]
Mayfield Dam Lewis County Script error: No such module "Coordinates". Cowlitz River 162 Tacoma Power 1963, 1983 [12]
Merwin Dam Clark County
Cowlitz County 		Script error: No such module "Coordinates". Lewis River 136 PacifiCorp 1931–1932,
1949, 1958 		[4]
Mossyrock Dam Lewis County Script error: No such module "Coordinates". Cowlitz River 300 Tacoma Power 1968 [13]
Priest Rapids Dam Grant County
Yakima County 		Script error: No such module "Coordinates". Columbia River 955 Grant County Public Utility District 1959–1961 [4]
Rock Island Dam Chelan County
Douglas County 		Script error: No such module "Coordinates". Columbia River 660 Chelan County Public Utility District 1931–1932,
1952–1953,
1978–1979 		[4]
Rocky Reach Dam Chelan County
Douglas County 		Script error: No such module "Coordinates". Columbia River 1,300 Chelan County Public Utility District 1961,
1973–1974 		[4]
Ross Dam Whatcom County Script error: No such module "Coordinates". Skagit River 353 Seattle City Light 1952–1956 [4]
Snoqualmie Falls Hydroelectric Plant Snoqualmie, Washington Script error: No such module "Coordinates". Snoqualmie River 54 Puget Sound Energy 1898, 1957,
2013 		[4]
Swift Dam Skamania County Script error: No such module "Coordinates".
Script error: No such module "Coordinates". 		Lewis River 240 PacifiCorp 1958–1959 [4]
Upper Baker Dam Whatcom County Script error: No such module "Coordinates". Baker River 91 Puget Sound Energy 1959 [4]
Wanapum Dam Grant County
Kittitas County 		Script error: No such module "Coordinates". Columbia River 1,038 Grant County Public Utility District 2011–2018 [4]
Wells Dam Chelan County
Douglas County 		Script error: No such module "Coordinates". Columbia River 851 Douglas County Public Utility District 1967–1969 [4]
Wynoochee Dam Grays Harbor County Script error: No such module "Coordinates". Wynoochee River 12.8 Tacoma Power 1994 [4]
Yale Dam Clark County
Cowlitz County 		Script error: No such module "Coordinates". Lewis River 134 PacifiCorp 1953 [4]

Wind

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Name Location Coordinates Capacity
(MW)		 Year opened <templatestyles src="Template:Tooltip/styles.css" />RefScript error: No such module "Check for unknown parameters".
Wild Horse Wind Farm Kittitas County Script error: No such module "Coordinates". 273 2006, 2009 [14]
Marengo Wind Farm Columbia County Script error: No such module "Coordinates". 211 2007, 2008 [14][15]
White Creek Wind Farm Klickitat County Script error: No such module "Coordinates". 205 2007 [14][15]
Big Horn Wind Farm Klickitat County Script error: No such module "Coordinates". 200 2006 [14][15]
Big Horn 2 Klickitat County Script error: No such module "Coordinates". 50 2011 [14][15]
Palouse Wind Farm Whitman County Script error: No such module "Coordinates". 105 2012 [14][15]
Stateline Wind Farm
(Vansycle Wind)		 Walla Walla County Script error: No such module "Coordinates". 177 2001 [14]
Hopkins Ridge Wind Farm Columbia County Script error: No such module "Coordinates". 157 2005, 2008 [14][15]
Harvest Wind Farm Klickitat County Script error: No such module "Coordinates". 99 2009 [14][15]
Nine Canyon Wind Farm Benton County Script error: No such module "Coordinates". 99 2002 [14][15]
Goodnoe Hills Wind Farm Klickitat County Script error: No such module "Coordinates". 94 2008 [14][15]
Coastal Energy Grays Harbor County Script error: No such module "Coordinates". 6 2010 [14][15]
Lower Snake River Wind Project Garfield County Script error: No such module "Coordinates". 342.7 2012 [16]
Juniper Canyon Klickitat County Script error: No such module "Coordinates". 151.2 2011 [17][15]
Kittitas Valley Wind Farm
(Sagebrush Wind)		 Kittitas County Script error: No such module "Coordinates". 100.8 2010 [14][15]
Vantage Wind Power Project Kittitas County Script error: No such module "Coordinates". 90 2010 [18][15]
Linden Ranch Klickitat County Script error: No such module "Coordinates". 50 2010 [14][15]
Windy Flats Klickitat County Script error: No such module "Coordinates". 262.4 2009 [15]
Windy Point
(Tuolumne Wind)		 Klickitat County Script error: No such module "Coordinates". 137.6 2009 [15]
Tucannon River Wind Farm Dayton, Washington Script error: No such module "Coordinates". 267 2014 [19][15]
Swauk Valley Ranch Wind Kittitas County Script error: No such module "Coordinates". 4.3 2012 [20][15]
Skookumchuck Wind Farm Lewis County
Thurston County		 Script error: No such module "Coordinates". 136 2020 [21]

Solar

Script error: No such module "Labelled list hatnote".Only utility scale projects larger than 1 MW are listed.

Name Location Coordinates Capacity
(MWAC) 		Year opened <templatestyles src="Template:Tooltip/styles.css" />RefScript error: No such module "Check for unknown parameters".
Adams Nielson Solar Farm Adams County Script error: No such module "Coordinates". 28 2018 [22][23][4]
Camas Solar Project Kittitas County 6.7 2022 [4]
Horn Rapids Solar Benton County 4 2020 [4]
Lund Hill Solar Project Klickitat County Script error: No such module "Coordinates". 194 2022 [24]
Penstemon Solar Project Kittitas County 6.7 2022 [25]
Urtica Solar Project Kittitas County 6.7 2022 [4]

Municipal solid waste (MSW) combustion

Name Location Coordinates Capacity
(MW)		 Year opened <templatestyles src="Template:Tooltip/styles.css" />RefScript error: No such module "Check for unknown parameters".
Spokane Waste to Energy (WTE) Facility Spokane County Script error: No such module "Coordinates". 22 1991 [26]

Former facilities

Station Location Type Capacity
(MW) 		Status Year opened Year closed <templatestyles src="Template:Tooltip/styles.css" />RefScript error: No such module "Check for unknown parameters".
Satsop Nuclear Power Plant Grays Harbor County Nuclear 2480 Canceled N/A 1977
Condit Hydroelectric Project Klickitat County Hydroelectric 14.7 Demolished 1913 2011
Elwha Dam Clallam County Hydroelectric 14.8 Demolished 1913 2012
Glines Canyon Dam Clallam County Hydroelectric 13.3 Demolished 1927 2014

See also

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Notes

Template:Notelist

References

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  5. ↑ Script error: No such module "citation/CS1".
  6. ↑ Script error: No such module "citation/CS1".
  7. ↑ a b Script error: No such module "citation/CS1".
  8. ↑ Script error: No such module "citation/CS1".
  9. ↑ Script error: No such module "citation/CS1".
  10. ↑ Script error: No such module "citation/CS1".
  11. ↑ Script error: No such module "citation/CS1".
  12. ↑ Script error: No such module "citation/CS1".
  13. ↑ Script error: No such module "citation/CS1".
  14. ↑ a b c d e f g h i j k l m n Script error: No such module "citation/CS1".
  15. ↑ a b c d e f g h i j k l m n o p q r Script error: No such module "citation/CS1".
  16. ↑ Script error: No such module "citation/CS1".
  17. ↑ Script error: No such module "citation/CS1".
  18. ↑ Script error: No such module "citation/CS1".
  19. ↑ Tucannon River Wind Farm
  20. ↑ Renewable Project Northwest
  21. ↑ Script error: No such module "citation/CS1".
  22. ↑ Adams Nielson Solar Farm
  23. ↑ Script error: No such module "citation/CS1".
  24. ↑ Lund Hill Solar Project
  25. ↑ Script error: No such module "citation/CS1".
  26. ↑ Spokane's Waste to Energy (WTE) Facility

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External links

Template:Power stations in the United States

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