Directory of Power Plants in Washington
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
Priest Rapids | PUD No 2 of Grant County | Mattawa, WA | Bonneville Power Administration (BPAT) | 4.0 TWh | Sep 1959 | Jun 2024 | Water |
Upper Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 290.5 GWh | Dec 1958 | Dec 2023 | Water |
Swift 1 | PacifiCorp | Cougar, WA | PacifiCorp West (PACW) | 593.9 GWh | Nov 1958 | Jun 2024 | Water |
Roza | U S Bureau of Reclamation | Yakima, WA | Bonneville Power Administration (BPAT) | 58.2 GWh | Jul 1958 | Dec 2023 | Water |
Snoqualmie 2 | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 113.5 GWh | Dec 1956 | Dec 2023 | Water |
Cosmo Specialty Fibers Plant | Cosmo Specialty Fibers | Cosmopolis, WA | Bonneville Power Administration (BPAT) | 106.0 GWh | Dec 1956 | Dec 2022 | Wood Waste Liquids, excluding Black Liquor : 70.9% Wood/Wood Waste Solids : 15.7% Residual Fuel Oil : 13.4% |
Chandler | U S Bureau of Reclamation | Benton City, WA | Bonneville Power Administration (BPAT) | 54.7 GWh | Jan 1956 | Nov 2023 | Water |
Chief Joseph | USACE Northwestern Division | Bridgeport, WA | Bonneville Power Administration (BPAT) | 9.7 TWh | Aug 1955 | Jun 2024 | Water |
Box Canyon | PUD No 1 of Pend Oreille County | Ione, WA | Avista Corporation (AVA) | 416.6 GWh | May 1955 | Dec 2023 | Water |
Yale | PacifiCorp | Amboy, WA | PacifiCorp West (PACW) | 555.6 GWh | Aug 1953 | Dec 2023 | Water |
Ross | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 383.6 GWh | Nov 1952 | Jun 2024 | Water |
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% |
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% |
Alder | City of Tacoma - (WA) | La Grande, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 186.1 GWh | Nov 1945 | Dec 2023 | Water |
Grand Coulee | U S Bureau of Reclamation | Grand Coulee, WA | Bonneville Power Administration (BPAT) | 16.4 TWh | Feb 1941 | Jun 2024 | Water |
Diablo | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 592.1 GWh | Sep 1936 | Dec 2023 | Water |
Upriver Dam Hydro Plant | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 42.4 GWh | Dec 1935 | Dec 2023 | 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 |
Merwin | PacifiCorp | Ariel, WA | PacifiCorp West (PACW) | 507.3 GWh | Jun 1931 | Dec 2023 | Water |
Yelm | City of Centralia - (WA) | Yelm, WA | Bonneville Power Administration (BPAT) | 26.2 GWh | Nov 1930 | Dec 2023 | 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 |
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 |
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 |
Gorge | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 663.8 GWh | Aug 1924 | Jun 2024 | Water |
Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 64.6 GWh | Mar 1922 | Dec 2023 | Water |
Cedar Falls (WA) | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 31.3 GWh | Oct 1921 | Dec 2023 | Water |
Long Lake | Avista Corp | Ford, WA | Avista Corporation (AVA) | 449.3 GWh | Sep 1915 | Dec 2023 | Water |
Meyers Falls | Hydro Technology Systems Inc | Kettle Falls, WA | Avista Corporation (AVA) | 10.4 GWh | May 1915 | Dec 2023 | Water |
LaGrande | City of Tacoma - (WA) | La Grande, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 381.5 GWh | Oct 1912 | Dec 2022 | Water |
Little Falls (WA) | Avista Corp | Ford, WA | Avista Corporation (AVA) | 190.9 GWh | Jun 1910 | Dec 2023 | Water |
Nine Mile | Avista Corp | Nine Mile, WA | Avista Corporation (AVA) | 129.3 GWh | Jun 1908 | Dec 2023 | Water |
Nooksack Hydro | Puget Sound Hydro LLC | Glacier, WA | Puget Sound Energy, Inc. (PSEI) | 16.0 GWh | Oct 1906 | Dec 2023 | Water |
Snoqualmie | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 65.5 GWh | Dec 1897 | Dec 2023 | Water |
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 |