Directory of Power Plants in Washington
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
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 |
Cushman 1 | City of Tacoma - (WA) | Shelton, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 124.6 GWh | May 1926 | Dec 2022 | Water |
Cushman 2 | City of Tacoma - (WA) | Shelton, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 182.3 GWh | Nov 1930 | Dec 2022 | Water |
Mayfield | City of Tacoma - (WA) | Silver Creek, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 850.5 GWh | Feb 1963 | Dec 2022 | Water |
Mossyrock | City of Tacoma - (WA) | Silver Creek, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 940.1 GWh | Sep 1968 | Jun 2024 | Water |
Hancock Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 6.4 GWh | Jan 2018 | Dec 2022 | Water |
Snoqualmie 2 | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 113.5 GWh | Dec 1956 | Dec 2023 | Water |
Snoqualmie | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 65.5 GWh | Dec 1897 | Dec 2023 | Water |
Calligan Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 6.1 GWh | Jan 2018 | Dec 2022 | Water |
Black Creek | Black Creek Hydro Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 9.1 GWh | Jan 1994 | Dec 2023 | Water |
Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 64.6 GWh | Mar 1922 | Dec 2023 | Water |
Northeast (WA) | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 254.8 MWh | Nov 1978 | Dec 2023 | Natural Gas |
Boulder Park | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 74.9 GWh | Apr 2002 | Dec 2023 | Natural Gas |
Monroe Street | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 96.3 GWh | Nov 1992 | Dec 2023 | Water |
Upriver Dam Hydro Plant | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 42.4 GWh | Dec 1935 | Dec 2023 | Water |
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% |
H M Jackson | PUD No 1 of Snohomish County | Sultan, WA | Bonneville Power Administration (BPAT) | 458.6 GWh | May 1984 | Dec 2022 | Water |
Sumas Power Plant | Puget Sound Energy Inc | Sumas, WA | Puget Sound Energy, Inc. (PSEI) | 499.3 GWh | Feb 1993 | Dec 2022 | Natural Gas |
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% |
Frederickson Power LP | Frederickson Power LP | Tacoma, WA | Bonneville Power Administration (BPAT) | 1.3 TWh | Jul 2002 | Dec 2022 | Natural Gas |
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% |
Skookumchuck | TransAlta Centralia Gen LLC | Tenino, WA | Bonneville Power Administration (BPAT) | 3.6 GWh | Aug 1990 | Dec 2023 | Water |
Swauk Wind LLC | Gamesa Wind US LLC | Thorp, WA | Puget Sound Energy, Inc. (PSEI) | 6.5 GWh | Nov 2012 | Dec 2023 | Wind |
Cowiche | Yakima-Tieton Irrigation Dist | Tieton, WA | PacifiCorp West (PACW) | 3.5 GWh | Feb 1987 | Oct 2023 | Water |
FPL Energy Vansycle LLC (WA) | FPL Energy Vansycle LLC | Touchet, WA | Bonneville Power Administration (BPAT) | 354.1 GWh | Nov 2001 | Dec 2022 | Wind |
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 |
Twin Reservoirs | Walla Walla City of | Walla Walla, WA | Bonneville Power Administration (BPAT) | 10.6 GWh | Mar 1988 | Dec 2022 | Water |
Rock Island | PUD No 1 of Chelan County | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 2.1 TWh | Sep 1931 | Jun 2024 | Water |
Chelan | PUD No 1 of Chelan County | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 336.6 GWh | Aug 1927 | Dec 2023 | Water |
Rocky Reach | PUD No 1 of Chelan County | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 5.2 TWh | May 1961 | Jun 2024 | Water |
Roza | U S Bureau of Reclamation | Yakima, WA | Bonneville Power Administration (BPAT) | 58.2 GWh | Jul 1958 | Dec 2023 | Water |
Orchard Avenue 1 | Yakima-Tieton Irrigation Dist | Yakima, WA | PacifiCorp West (PACW) | 2.7 GWh | Feb 1987 | Oct 2023 | Water |
Yelm | City of Centralia - (WA) | Yelm, WA | Bonneville Power Administration (BPAT) | 26.2 GWh | Nov 1930 | Dec 2023 | Water |
Browse Power Plants By Washington Counties
Figures are based on June 2024 generation numbers.County | State Rank | Active Plants | Jun 2024 Generation |
---|---|---|---|
Grant County, WA | # 1 | 8 | 25.3 TWh |
Douglas County, WA | # 2 | 2 | 13.5 TWh |
Benton County, WA | # 3 | 6 | 10.6 TWh |
Chelan County, WA | # 4 | 4 | 7.7 TWh |
Lewis County, WA | # 5 | 8 | 7.6 TWh |
Whatcom County, WA | # 6 | 13 | 5.7 TWh |
Klickitat County, WA | # 7 | 15 | 5.2 TWh |
Grays Harbor County, WA | # 8 | 6 | 3.7 TWh |
Pend Oreille County, WA | # 9 | 3 | 3.6 TWh |
Walla Walla County, WA | # 10 | 4 | 3.4 TWh |
Columbia County, WA | # 11 | 4 | 3.4 TWh |
Cowlitz County, WA | # 12 | 6 | 3.3 TWh |
Skagit County, WA | # 13 | 4 | 2.6 TWh |
Pierce County, WA | # 14 | 13 | 2.3 TWh |
Clark County, WA | # 15 | 2 | 1.9 TWh |
Whitman County, WA | # 16 | 6 | 1.8 TWh |
County | State Rank | Active Plants | Jun 2024 Generation |
---|---|---|---|
Kittitas County, WA | # 17 | 9 | 1.2 TWh |
Garfield County, WA | # 18 | 1 | 838.1 GWh |
Lincoln County, WA | # 19 | 2 | 640.2 GWh |
Skamania County, WA | # 20 | 1 | 593.9 GWh |
Spokane County, WA | # 21 | 7 | 547.3 GWh |
Snohomish County, WA | # 22 | 8 | 492.7 GWh |
Thurston County, WA | # 23 | 3 | 471.6 GWh |
Adams County, WA | # 24 | 4 | 464.3 GWh |
Stevens County, WA | # 25 | 4 | 384.8 GWh |
King County, WA | # 26 | 12 | 369.6 GWh |
Mason County, WA | # 27 | 3 | 313.3 GWh |
Yakima County, WA | # 28 | 12 | 112.1 GWh |
Clallam County, WA | # 29 | 3 | 37.7 GWh |
Franklin County, WA | # 30 | 3 | 18.0 GWh |
Jefferson County, WA | # 31 | 2 | 219.0 MWh |