Directory of Power Plants in Washington
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Harvest Wind Project | Harvest Wind Project TIC | Roosevelt, WA | Bonneville Power Administration (BPAT) | 216.8 GWh | Nov 2009 | Dec 2023 | Wind |
| Windy Flats Wind Project | Windy Flats Partners LLC | Centerville, WA | Bonneville Power Administration (BPAT) | 567.8 GWh | Sep 2009 | Dec 2023 | Wind |
| Vantage Wind Energy LLC | Invenergy Services LLC | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 231.6 GWh | Jul 2010 | Dec 2023 | Wind |
| Cedar Hills | Bio Energy Washington, LLC | Maple Valley, WA | Puget Sound Energy, Inc. (PSEI) | 454.0 MWh | Mar 2009 | Dec 2023 | Landfill Gas : 89.3% Distillate Fuel Oil : 10.7% |
| Palouse | Onward Energy | Oakesdale, WA | Avista Corporation (AVA) | 294.9 GWh | Nov 2012 | Dec 2023 | Wind |
| Linden Wind Energy Project | Los Angeles Department of Water & Power | Goldendale, WA | Bonneville Power Administration (BPAT) | 116.7 GWh | May 2010 | Dec 2023 | Wind |
| Coastal Energy Project | Coastal Community Action Program | Aberdeen, WA | Bonneville Power Administration (BPAT) | 11.6 GWh | May 2010 | Dec 2023 | Wind |
| Youngs Creek Hydroelectric Project | PUD No 1 of Snohomish County | Monroe, WA | Bonneville Power Administration (BPAT) | 14.9 GWh | Oct 2011 | Dec 2023 | Water |
| Darrington | Hampton Lumber Mills - Washington Inc | Darrington, WA | Bonneville Power Administration (BPAT) | 16.0 GWh | Jan 2007 | Dec 2023 | Wood/Wood Waste Solids |
| McKinley Paper Co. - Washington Mill | McKinley Paper Co. - Washington Mill | Port Angeles, WA | Bonneville Power Administration (BPAT) | 36.2 GWh | Sep 2013 | Dec 2023 | Wood/Wood Waste Solids : 99.8% |
| Swauk Wind LLC | Gamesa Wind US LLC | Thorp, WA | Puget Sound Energy, Inc. (PSEI) | 6.0 GWh | Nov 2012 | Dec 2023 | Wind |
| Tucannon River Wind Farm | Portland General Electric Co | Dayton, WA | Portland General Electric Company (PGE) | 678.5 GWh | Nov 2014 | Dec 2023 | Wind |
| LRI LFGTE Facility | Frontier Operation Services | Graham, WA | Puget Sound Energy, Inc. (PSEI) | 33.6 GWh | Oct 2013 | Dec 2023 | Landfill Gas |
| Nooksack Hydro | Puget Sound Hydro LLC | Glacier, WA | Puget Sound Energy, Inc. (PSEI) | 15.0 GWh | Oct 1906 | Dec 2023 | Water |
| Calligan Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 9.4 GWh | Jan 2018 | Dec 2023 | Water |
| Hancock Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 16.6 GWh | Jan 2018 | Dec 2023 | Water |
| Urtica Solar Project | Greenbacker Renewable Energy Corporation | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 11.4 GWh | Oct 2022 | Dec 2023 | Solar |
| Penstemon Solar Project | Greenbacker Renewable Energy Corporation | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 10.4 GWh | Dec 2021 | Dec 2023 | Solar |
| Camas Solar Project | Greenbacker Renewable Energy Corporation | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 10.3 GWh | May 2022 | Dec 2023 | Solar |
| Horn Rapids Solar, Storage and Training | Energy Northwest | Richland, WA | Bonneville Power Administration (BPAT) | 6.6 GWh | Sep 2020 | Dec 2023 | Solar : 86.8% Electricity used for energy storage : 13.2% |
| Arlington Microgrid | PUD No 1 of Snohomish County | Arlington, WA | Bonneville Power Administration (BPAT) | 697.0 MWh | May 2019 | Dec 2023 | Solar |
| Chandler | U S Bureau of Reclamation | Benton City, WA | Bonneville Power Administration (BPAT) | 50.7 GWh | Jan 1956 | Nov 2023 | Water |
| WestRock (WA) | WestRock (WA) | Tacoma, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 196.3 GWh | Jun 2009 | Nov 2023 | Black Liquor : 52.1% Wood/Wood Waste Solids : 44.1% Natural Gas : 3.2% Waste/Other Oil : 0.5% |
| Quincy Chute | PUD No 2 of Grant County | Quincy, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 33.8 GWh | Sep 1985 | Oct 2023 | Water |
| PEC Headworks | PUD No 2 of Grant County | Moses Lake, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 18.7 GWh | Aug 1990 | Oct 2023 | Water |
| Orchard Avenue 1 | Yakima-Tieton Irrigation Dist | Yakima, WA | PacifiCorp West (PACW) | 2.6 GWh | Feb 1987 | Oct 2023 | Water |
| Cowiche | Yakima-Tieton Irrigation Dist | Tieton, WA | PacifiCorp West (PACW) | 3.4 GWh | Feb 1987 | Oct 2023 | Water |
| Russell D Smith | Columbia Basin Hydropower | Othello, WA | Bonneville Power Administration (BPAT) | 17.0 GWh | Aug 1982 | Oct 2023 | Water |
| Summer Falls Power Plant | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 447.2 GWh | Dec 1984 | Oct 2023 | Water |
| Eltopia Branch Canal 4.6 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 9.9 GWh | Apr 1983 | Oct 2023 | Water |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 7.3 GWh | Feb 1985 | Oct 2023 | Water |
| Main Canal Headworks | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 118.7 GWh | Dec 1986 | Oct 2023 | Water |
| Tieton Dam Hydro Electric Project | City of Burbank Water and Power | Rimrock, WA | PacifiCorp West (PACW) | 45.0 GWh | Aug 2006 | Oct 2023 | Water |
| Cosmo Specialty Fibers Plant | Cosmo Specialty Fibers | Cosmopolis, WA | Bonneville Power Administration (BPAT) | 99.6 GWh | Dec 1956 | Dec 2022 | Wood Waste Liquids, excluding Black Liquor : 71.5% Wood/Wood Waste Solids : 15.8% Residual Fuel Oil : 12.7% |
Browse Power Plants By Washington Counties
Figures are based on October 2023 generation numbers.| County | State Rank | Active Plants | Oct 2023 Generation |
|---|---|---|---|
| Franklin County, WA | # 31 | 3 | 17.2 GWh |
| Jefferson County, WA | # 30 | 2 | 35.5 GWh |
| Clallam County, WA | # 29 | 3 | 36.2 GWh |
| Yakima County, WA | # 28 | 12 | 105.4 GWh |
| Mason County, WA | # 27 | 3 | 290.0 GWh |
| King County, WA | # 26 | 12 | 328.7 GWh |
| Snohomish County, WA | # 25 | 9 | 329.5 GWh |
| Stevens County, WA | # 24 | 4 | 350.4 GWh |
| Adams County, WA | # 23 | 4 | 439.6 GWh |
| Thurston County, WA | # 22 | 3 | 449.2 GWh |
| Spokane County, WA | # 21 | 7 | 499.1 GWh |
| Skamania County, WA | # 20 | 1 | 567.6 GWh |
| Lincoln County, WA | # 19 | 2 | 588.8 GWh |
| Garfield County, WA | # 18 | 1 | 780.8 GWh |
| Kittitas County, WA | # 17 | 9 | 1.1 TWh |
| Clark County, WA | # 16 | 2 | 1.6 TWh |
| County | State Rank | Active Plants | Oct 2023 Generation |
|---|---|---|---|
| Whitman County, WA | # 15 | 6 | 1.6 TWh |
| Skagit County, WA | # 14 | 4 | 2.3 TWh |
| Pierce County, WA | # 13 | 13 | 2.7 TWh |
| Walla Walla County, WA | # 12 | 4 | 3.1 TWh |
| Columbia County, WA | # 11 | 4 | 3.1 TWh |
| Cowlitz County, WA | # 10 | 6 | 3.4 TWh |
| Pend Oreille County, WA | # 9 | 3 | 3.5 TWh |
| Grays Harbor County, WA | # 8 | 6 | 3.5 TWh |
| Klickitat County, WA | # 7 | 16 | 5.3 TWh |
| Whatcom County, WA | # 6 | 13 | 5.8 TWh |
| Chelan County, WA | # 5 | 4 | 7.0 TWh |
| Lewis County, WA | # 4 | 8 | 7.0 TWh |
| Benton County, WA | # 3 | 6 | 10.3 TWh |
| Douglas County, WA | # 2 | 2 | 12.3 TWh |
| Grant County, WA | # 1 | 8 | 23.3 TWh |