Directory of Power Plants in Washington
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Wild Horse | Puget Sound Energy Inc | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 647.7 GWh | Nov 2006 | Jul 2024 | Wind : 99.9% |
| Hopkins Ridge Wind | Puget Sound Energy Inc | Dayton, WA | Bonneville Power Administration (BPAT) | 389.9 GWh | Oct 2005 | Jul 2024 | Wind |
| Encogen | Puget Sound Energy Inc | Bellingham, WA | Puget Sound Energy, Inc. (PSEI) | 1.0 TWh | Feb 1993 | Jul 2024 | Natural Gas : 99.8% |
| Goldendale Generating Station | Puget Sound Energy Inc | Goldendale, WA | Puget Sound Energy, Inc. (PSEI) | 2.4 TWh | Jul 2004 | Dec 2023 | Natural Gas |
| Mint Farm Generating Station | Puget Sound Energy Inc | Longview, WA | Puget Sound Energy, Inc. (PSEI) | 2.2 TWh | Dec 2007 | Dec 2023 | Natural Gas |
| Nooksack Hydro | Puget Sound Hydro LLC | Glacier, WA | Puget Sound Energy, Inc. (PSEI) | 31.0 GWh | Oct 1906 | Dec 2023 | Water |
| Rattlesnake Flat | Rattlesnake Flat, LLC | Ritzville, WA | Avista Corporation (AVA) | 403.8 GWh | Nov 2020 | Jul 2024 | Wind |
| Rocky Brook Hydroelectric | Rocky Brook Electric Inc | Brinnon, WA | Bonneville Power Administration (BPAT) | 438.0 MWh | Nov 1985 | Dec 2023 | Water |
| Sagebrush Power Partners | Sagebrush Power Partners, LLC | Ellensburg, WA | Bonneville Power Administration (BPAT) | 526.4 GWh | Oct 2010 | Dec 2023 | Wind |
| Sheep Creek Hydro | Sheep Creek Hydro Inc | Northport, WA | Avista Corporation (AVA) | 11.7 GWh | May 1986 | Dec 2023 | Water |
| Sierra Pacific Aberdeen | Sierra Pacific Industries | Aberdeen, WA | Bonneville Power Administration (BPAT) | 115.1 GWh | Feb 2003 | Dec 2023 | Wood/Wood Waste Solids |
| Sierra Pacific Burlington Facility | Sierra Pacific Industries | Mt Vernon, WA | Puget Sound Energy, Inc. (PSEI) | 174.5 GWh | Feb 2007 | Dec 2023 | Wood/Wood Waste Solids |
| Skookumchuck Wind Facility | Southern Power Co | Rainier, WA | Puget Sound Energy, Inc. (PSEI) | 445.0 GWh | Oct 2020 | Jul 2024 | Wind |
| Adams Nielson Solar | Strata Manager, LLC | Lind, WA | Avista Corporation (AVA) | 44.3 GWh | Oct 2018 | Jul 2024 | Solar |
| Transalta Centralia Generation | TransAlta Centralia Gen LLC | Centralia, WA | Bonneville Power Administration (BPAT) | 3.4 TWh | Nov 1972 | Jul 2024 | Subbituminous Coal : 99.8% |
| Skookumchuck | TransAlta Centralia Gen LLC | Tenino, WA | Bonneville Power Administration (BPAT) | 6.8 GWh | Aug 1990 | Dec 2023 | Water |
| Tuolumne Wind Project | Turlock Irrigation District | Goldendale, WA | Bonneville Power Administration (BPAT) | 354.2 GWh | Apr 2009 | Dec 2023 | Wind |
| Roza | U S Bureau of Reclamation | Yakima, WA | Bonneville Power Administration (BPAT) | 112.6 GWh | Jul 1958 | Dec 2023 | Water |
| Grand Coulee | U S Bureau of Reclamation | Grand Coulee, WA | Bonneville Power Administration (BPAT) | 16.7 TWh | Feb 1941 | Jul 2024 | Water |
| Chandler | U S Bureau of Reclamation | Benton City, WA | Bonneville Power Administration (BPAT) | 101.2 GWh | Jan 1956 | Nov 2023 | Water |
| University of Washington Power Plant | University of Washington | Seattle, WA | Seattle City Light (SCL) | 6.0 GWh | Dec 1968 | Jul 2024 | Natural Gas : 97.4% Distillate Fuel Oil : 2.6% |
| Chief Joseph | USACE Northwestern Division | Bridgeport, WA | Bonneville Power Administration (BPAT) | 9.9 TWh | Aug 1955 | Jul 2024 | Water |
| Ice Harbor | USACE Northwestern Division | Burbank, WA | Bonneville Power Administration (BPAT) | 1.5 TWh | Dec 1961 | Jul 2024 | Water |
| Little Goose | USACE Northwestern Division | Dayton, WA | Bonneville Power Administration (BPAT) | 1.6 TWh | Mar 1970 | Jul 2024 | Water |
| Lower Monumental | USACE Northwestern Division | Kahlotus, WA | Bonneville Power Administration (BPAT) | 1.4 TWh | May 1969 | Jul 2024 | Water |
| Lower Granite | USACE Northwestern Division | Pomeroy, WA | Bonneville Power Administration (BPAT) | 1.4 TWh | Mar 1975 | Jul 2024 | Water |
| Twin Reservoirs | Walla Walla City of | Walla Walla, WA | Bonneville Power Administration (BPAT) | 8.8 GWh | Mar 1988 | Dec 2023 | Water |
| Grimes Way | Washington State University | Pullman, WA | Avista Corporation (AVA) | 98.0 MWh | Dec 2004 | Jul 2024 | Distillate Fuel Oil : 55.0% Natural Gas : 45.0% |
| WestRock (WA) | WestRock (WA) | Tacoma, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 394.6 GWh | Jun 2009 | Nov 2023 | Black Liquor : 52.2% Wood/Wood Waste Solids : 44.1% Natural Gas : 3.2% Waste/Other Oil : 0.5% |
| White Creek Wind Farm | White Creek Wind 1 LLC | Roosevelt, WA | Bonneville Power Administration (BPAT) | 480.6 GWh | Oct 2007 | Dec 2023 | Wind |
| Lilliwaup Falls Generating | William G. Reed Jr | Lilliwaup, WA | Bonneville Power Administration (BPAT) | 12.5 GWh | Apr 1986 | Dec 2023 | Water |
| Windy Flats Wind Project | Windy Flats Partners LLC | Centerville, WA | Bonneville Power Administration (BPAT) | 1.2 TWh | Sep 2009 | Dec 2023 | Wind |
| Cowiche | Yakima-Tieton Irrigation Dist | Tieton, WA | PacifiCorp West (PACW) | 6.5 GWh | Feb 1987 | Oct 2023 | Water |
| Orchard Avenue 1 | Yakima-Tieton Irrigation Dist | Yakima, WA | PacifiCorp West (PACW) | 4.9 GWh | Feb 1987 | Oct 2023 | Water |
Browse Power Plants By Washington Counties
Figures are based on July 2024 generation numbers.| County | State Rank | Active Plants | Jul 2024 Generation |
|---|---|---|---|
| Grant County, WA | # 1 | 8 | 26.3 TWh |
| Douglas County, WA | # 2 | 2 | 13.7 TWh |
| Benton County, WA | # 3 | 6 | 11.2 TWh |
| Chelan County, WA | # 4 | 4 | 8.0 TWh |
| Lewis County, WA | # 5 | 8 | 8.0 TWh |
| Whatcom County, WA | # 6 | 13 | 7.5 TWh |
| Klickitat County, WA | # 7 | 16 | 6.9 TWh |
| Cowlitz County, WA | # 8 | 6 | 4.9 TWh |
| Columbia County, WA | # 9 | 4 | 4.5 TWh |
| Grays Harbor County, WA | # 10 | 6 | 4.0 TWh |
| Pend Oreille County, WA | # 11 | 3 | 3.8 TWh |
| Pierce County, WA | # 12 | 13 | 3.5 TWh |
| Walla Walla County, WA | # 13 | 4 | 3.3 TWh |
| Skagit County, WA | # 14 | 4 | 2.9 TWh |
| Whitman County, WA | # 15 | 6 | 2.0 TWh |
| Clark County, WA | # 16 | 2 | 1.8 TWh |
| County | State Rank | Active Plants | Jul 2024 Generation |
|---|---|---|---|
| Kittitas County, WA | # 17 | 9 | 1.7 TWh |
| Lincoln County, WA | # 18 | 2 | 1.2 TWh |
| Spokane County, WA | # 19 | 7 | 917.5 GWh |
| Garfield County, WA | # 20 | 1 | 832.9 GWh |
| Stevens County, WA | # 21 | 4 | 735.3 GWh |
| King County, WA | # 22 | 12 | 606.4 GWh |
| Skamania County, WA | # 23 | 1 | 584.1 GWh |
| Thurston County, WA | # 24 | 3 | 504.2 GWh |
| Adams County, WA | # 25 | 4 | 481.0 GWh |
| Snohomish County, WA | # 26 | 9 | 393.1 GWh |
| Mason County, WA | # 27 | 3 | 316.1 GWh |
| Yakima County, WA | # 28 | 12 | 209.1 GWh |
| Clallam County, WA | # 29 | 3 | 73.9 GWh |
| Jefferson County, WA | # 30 | 2 | 35.7 GWh |
| Franklin County, WA | # 31 | 3 | 33.1 GWh |