Directory of Power Plants in Washington
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Horn Rapids Solar, Storage and Training | Energy Northwest | Richland, WA | Bonneville Power Administration (BPAT) | 6.8 GWh | Sep 2020 | Dec 2023 | Solar : 87.3% Electricity used for energy storage : 12.7% |
| Camas Solar Project | Greenbacker Renewable Energy Corporation | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 10.4 GWh | May 2022 | Dec 2023 | Solar |
| Adams Nielson Solar | Strata Manager, LLC | Lind, WA | Avista Corporation (AVA) | 44.2 GWh | Oct 2018 | Jun 2024 | Solar |
| 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) | 10.7 GWh | Dec 2021 | Dec 2023 | Solar |
| Lund Hill Solar | Avangrid Renewables LLC | Bickleton, WA | Avangrid Renewables, LLC (AVRN) | 372.6 GWh | Sep 2022 | Jun 2024 | Solar |
| Arlington Microgrid | PUD No 1 of Snohomish County | Arlington, WA | Bonneville Power Administration (BPAT) | 641.0 MWh | May 2019 | Dec 2022 | Solar |
| West Point Treatment Plant | King County Dept-Natural Res | Seattle, WA | Seattle City Light (SCL) | 8.1 GWh | May 2012 | Dec 2023 | Other Biomass Gas |
| Columbia Generating Station | Energy Northwest | Richland, WA | Bonneville Power Administration (BPAT) | 10.2 TWh | Nov 1984 | Jun 2024 | Nuclear |
| Spokane Waste to Energy | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 139.6 GWh | Aug 1991 | Jun 2024 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Ferndale Generating Station | Puget Sound Energy Inc | Ferndale, WA | Puget Sound Energy, Inc. (PSEI) | 1.7 TWh | Mar 1994 | Jun 2024 | Natural Gas : 99.9% |
| Encogen | Puget Sound Energy Inc | Bellingham, WA | Puget Sound Energy, Inc. (PSEI) | 1.0 TWh | Feb 1993 | Jun 2024 | Natural Gas : 99.8% |
| Whitehorn | Puget Sound Energy Inc | Blaine, WA | Puget Sound Energy, Inc. (PSEI) | 451.2 GWh | Sep 1981 | Dec 2023 | Natural Gas : 99.7% |
| Fredonia | Puget Sound Energy Inc | Mt Vernon, WA | Puget Sound Energy, Inc. (PSEI) | 1.1 TWh | Apr 1984 | Jun 2024 | Natural Gas : 99.6% |
| University of Washington Power Plant | University of Washington | Seattle, WA | Seattle City Light (SCL) | 6.0 GWh | Dec 1968 | Jun 2024 | Natural Gas : 97.4% Distillate Fuel Oil : 2.6% |
| Frederickson | Puget Sound Energy Inc | Tacoma, WA | Puget Sound Energy, Inc. (PSEI) | 166.3 GWh | Oct 1981 | Dec 2023 | Natural Gas : 95.1% Distillate Fuel Oil : 4.9% |
| HF Sinclair Puget Sound Refining | HF Sinclair Corporation | Anacortes, WA | Puget Sound Energy, Inc. (PSEI) | 1.1 TWh | Aug 1991 | Jun 2024 | Natural Gas : 77.9% Other Gas : 22.1% |
| River Road Gen Plant | PUD No 1 of Clark County - (WA) | Vancouver, WA | Bonneville Power Administration (BPAT) | 1.9 TWh | Nov 1997 | Apr 2024 | Natural Gas |
| Grays Harbor Energy Facility | Invenergy Services LLC | Elma, WA | Bonneville Power Administration (BPAT) | 3.4 TWh | Apr 2008 | Jun 2024 | Natural Gas |
| Boulder Park | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 74.9 GWh | Apr 2002 | Dec 2023 | Natural Gas |
| Northeast (WA) | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 254.8 MWh | Nov 1978 | Dec 2023 | Natural Gas |
| Sumas Power Plant | Puget Sound Energy Inc | Sumas, WA | Puget Sound Energy, Inc. (PSEI) | 499.3 GWh | Feb 1993 | Dec 2022 | Natural Gas |
| Goldendale Generating Station | Puget Sound Energy Inc | Goldendale, WA | Puget Sound Energy, Inc. (PSEI) | 1.7 TWh | Jul 2004 | Dec 2022 | Natural Gas |
| Chehalis Generating Facility | PacifiCorp | Chehalis, WA | Bonneville Power Administration (BPAT) | 2.3 TWh | Jul 2003 | Jun 2024 | Natural Gas |
| Mint Farm Generating Station | Puget Sound Energy Inc | Longview, WA | Puget Sound Energy, Inc. (PSEI) | 1.7 TWh | Dec 2007 | Dec 2022 | Natural Gas |
| Frederickson Power LP | Frederickson Power LP | Tacoma, WA | Bonneville Power Administration (BPAT) | 1.3 TWh | Jul 2002 | Dec 2022 | Natural Gas |
| 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% |
| LRI LFGTE Facility | Frontier Operation Services | Graham, WA | Puget Sound Energy, Inc. (PSEI) | 36.3 GWh | Oct 2013 | Dec 2023 | Landfill Gas |
| Grimes Way | Washington State University | Pullman, WA | Avista Corporation (AVA) | 129.0 MWh | Dec 2004 | Apr 2024 | Distillate Fuel Oil : 55.4% Natural Gas : 44.6% |
| Crystal Mountain | Puget Sound Energy Inc | Greenwater, WA | Puget Sound Energy, Inc. (PSEI) | 196.0 MWh | Nov 1969 | Jun 2024 | Distillate Fuel Oil |
| Longview Fibre | Longview Fibre Co | Longview, WA | Bonneville Power Administration (BPAT) | 189.9 GWh | Dec 1948 | Dec 2023 | Black Liquor : 58.1% Wood/Wood Waste Solids : 21.9% Natural Gas : 20.0% |
| WestRock (WA) | WestRock (WA) | Tacoma, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 215.3 GWh | Jun 2009 | Nov 2023 | Black Liquor : 52.9% Wood/Wood Waste Solids : 43.5% Natural Gas : 3.0% Waste/Other Oil : 0.6% |
| Nippon Dynawave Packaging Longview WA | Nippon Dynawave Packaging Co. | Longview, WA | Bonneville Power Administration (BPAT) | 297.1 GWh | Dec 1947 | Jun 2024 | Black Liquor : 45.6% Natural Gas : 24.1% Wood/Wood Waste Solids : 18.5% Subbituminous Coal : 8.3% Sludge Waste : 2.9% Residual Fuel Oil : 0.6% |
Browse Power Plants By Washington Counties
Figures are based on December 2023 generation numbers.| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Jefferson County, WA | # 31 | 2 | 219.0 MWh |
| Franklin County, WA | # 30 | 3 | 18.0 GWh |
| Clallam County, WA | # 29 | 3 | 37.7 GWh |
| Yakima County, WA | # 28 | 12 | 112.1 GWh |
| Mason County, WA | # 27 | 3 | 313.3 GWh |
| King County, WA | # 26 | 12 | 369.6 GWh |
| Stevens County, WA | # 25 | 4 | 384.8 GWh |
| Adams County, WA | # 24 | 4 | 464.3 GWh |
| Thurston County, WA | # 23 | 3 | 471.6 GWh |
| Snohomish County, WA | # 22 | 8 | 492.7 GWh |
| Spokane County, WA | # 21 | 7 | 547.3 GWh |
| Skamania County, WA | # 20 | 1 | 593.9 GWh |
| Lincoln County, WA | # 19 | 2 | 640.2 GWh |
| Garfield County, WA | # 18 | 1 | 838.1 GWh |
| Kittitas County, WA | # 17 | 9 | 1.2 TWh |
| Whitman County, WA | # 16 | 6 | 1.8 TWh |
| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Clark County, WA | # 15 | 2 | 1.9 TWh |
| Pierce County, WA | # 14 | 13 | 2.3 TWh |
| Skagit County, WA | # 13 | 4 | 2.6 TWh |
| Cowlitz County, WA | # 12 | 6 | 3.3 TWh |
| Columbia County, WA | # 11 | 4 | 3.4 TWh |
| Walla Walla County, WA | # 10 | 4 | 3.4 TWh |
| Pend Oreille County, WA | # 9 | 3 | 3.6 TWh |
| Grays Harbor County, WA | # 8 | 6 | 3.7 TWh |
| Klickitat County, WA | # 7 | 15 | 5.2 TWh |
| Whatcom County, WA | # 6 | 13 | 5.7 TWh |
| Lewis County, WA | # 5 | 8 | 7.6 TWh |
| Chelan County, WA | # 4 | 4 | 7.7 TWh |
| Benton County, WA | # 3 | 6 | 10.6 TWh |
| Douglas County, WA | # 2 | 2 | 13.5 TWh |
| Grant County, WA | # 1 | 8 | 25.3 TWh |