Directory of Power Plants in Washington
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
Swift 1 | PacifiCorp | Cougar, WA | PacifiCorp West (PACW) | 525.6 GWh | Nov 1958 | Mar 2025 | Water |
Upper Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 270.8 GWh | Dec 1958 | Dec 2023 | Water |
Lower Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 262.8 GWh | Feb 1960 | Dec 2023 | Water |
Koma Kulshan | Eagle Creek Renewable Energy, LLC | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 26.3 GWh | Sep 1990 | Dec 2023 | Water |
Chehalis Generating Facility | PacifiCorp | Chehalis, WA | Bonneville Power Administration (BPAT) | 2.6 TWh | Jul 2003 | Mar 2025 | Natural Gas |
Transalta Centralia Generation | TransAlta Centralia Gen LLC | Centralia, WA | Bonneville Power Administration (BPAT) | 3.1 TWh | Nov 1972 | Mar 2025 | Subbituminous Coal : 99.8% |
Windy Flats Wind Project | Windy Flats Partners LLC | Centerville, WA | Bonneville Power Administration (BPAT) | 567.8 GWh | Sep 2009 | Dec 2023 | Wind |
Ice Harbor | USACE Northwestern Division | Burbank, WA | Bonneville Power Administration (BPAT) | 1.4 TWh | Dec 1961 | Mar 2025 | Water |
Rocky Brook Hydroelectric | Rocky Brook Electric Inc | Brinnon, WA | Bonneville Power Administration (BPAT) | 219.0 MWh | Nov 1985 | Dec 2023 | Water |
Chief Joseph | USACE Northwestern Division | Bridgeport, WA | Bonneville Power Administration (BPAT) | 9.5 TWh | Aug 1955 | Mar 2025 | Water |
Whitehorn | Puget Sound Energy Inc | Blaine, WA | Puget Sound Energy, Inc. (PSEI) | 449.0 GWh | Sep 1981 | Dec 2023 | Natural Gas : 99.9% |
Juniper Canyon I Wind Project | Avangrid Renewables LLC | Bickleton, WA | Avangrid Renewables, LLC (AVRN) | 256.8 GWh | Feb 2011 | Mar 2025 | Wind |
Lund Hill Solar | Avangrid Renewables LLC | Bickleton, WA | Avangrid Renewables, LLC (AVRN) | 352.8 GWh | Sep 2022 | Mar 2025 | Solar |
Big Horn Wind II | Avangrid Renewables LLC | Bickleton, WA | Avangrid Renewables, LLC (AVRN) | 108.7 GWh | Dec 2010 | Mar 2025 | Wind |
Big Horn Wind Project | Avangrid Renewables LLC | Bickelton, WA | Avangrid Renewables, LLC (AVRN) | 483.8 GWh | Sep 2006 | Mar 2025 | Wind |
Wanapum | PUD No 2 of Grant County | Beverly, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 4.2 TWh | May 1963 | Mar 2025 | Water |
Chandler | U S Bureau of Reclamation | Benton City, WA | Bonneville Power Administration (BPAT) | 50.7 GWh | Jan 1956 | Nov 2023 | Water |
Encogen | Puget Sound Energy Inc | Bellingham, WA | Puget Sound Energy, Inc. (PSEI) | 528.9 GWh | Feb 1993 | Mar 2025 | Natural Gas |
Arlington Microgrid | PUD No 1 of Snohomish County | Arlington, WA | Bonneville Power Administration (BPAT) | 697.0 MWh | May 2019 | Dec 2023 | Solar |
Merwin | PacifiCorp | Ariel, WA | PacifiCorp West (PACW) | 471.6 GWh | Jun 1931 | Dec 2023 | Water |
HF Sinclair Puget Sound Refining | HF Sinclair Corporation | Anacortes, WA | Puget Sound Energy, Inc. (PSEI) | 1.0 TWh | Aug 1991 | Mar 2025 | Natural Gas : 75.2% Other Gas : 24.8% |
Yale | PacifiCorp | Amboy, WA | PacifiCorp West (PACW) | 516.9 GWh | Aug 1953 | Dec 2023 | Water |
Coastal Energy Project | Coastal Community Action Program | Aberdeen, WA | Bonneville Power Administration (BPAT) | 11.6 GWh | May 2010 | Dec 2023 | Wind |
Sierra Pacific Aberdeen | Sierra Pacific Industries | Aberdeen, WA | Bonneville Power Administration (BPAT) | 105.2 GWh | Feb 2003 | Dec 2023 | Wood/Wood Waste Solids |
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 | # 30 | 2 | 35.5 GWh |
Clallam County, WA | # 29 | 3 | 36.2 GWh |
Yakima County, WA | # 28 | 12 | 81.9 GWh |
Mason County, WA | # 27 | 3 | 290.0 GWh |
King County, WA | # 26 | 12 | 328.8 GWh |
Snohomish County, WA | # 25 | 9 | 329.5 GWh |
Stevens County, WA | # 24 | 4 | 350.4 GWh |
Thurston County, WA | # 23 | 3 | 439.8 GWh |
Adams County, WA | # 22 | 4 | 451.4 GWh |
Spokane County, WA | # 21 | 7 | 494.7 GWh |
Skamania County, WA | # 20 | 1 | 525.6 GWh |
Lincoln County, WA | # 19 | 2 | 588.8 GWh |
Garfield County, WA | # 18 | 1 | 852.0 GWh |
Kittitas County, WA | # 17 | 9 | 1.2 TWh |
Clark County, WA | # 16 | 2 | 1.6 TWh |
County | State Rank | Active Plants | Dec 2023 Generation |
---|---|---|---|
Whitman County, WA | # 15 | 6 | 1.7 TWh |
Skagit County, WA | # 14 | 4 | 1.7 TWh |
Pierce County, WA | # 13 | 13 | 2.7 TWh |
Grays Harbor County, WA | # 12 | 6 | 3.1 TWh |
Walla Walla County, WA | # 11 | 4 | 3.1 TWh |
Columbia County, WA | # 10 | 4 | 3.2 TWh |
Pend Oreille County, WA | # 9 | 3 | 3.2 TWh |
Cowlitz County, WA | # 8 | 6 | 3.4 TWh |
Klickitat County, WA | # 7 | 16 | 5.3 TWh |
Whatcom County, WA | # 6 | 13 | 5.5 TWh |
Lewis County, WA | # 5 | 8 | 7.2 TWh |
Chelan County, WA | # 4 | 4 | 7.4 TWh |
Benton County, WA | # 3 | 6 | 10.2 TWh |
Douglas County, WA | # 2 | 2 | 13.1 TWh |
Grant County, WA | # 1 | 8 | 23.7 TWh |