Directory of Power Plants in Washington
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Calligan Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 9.4 GWh | Jan 2018 | Dec 2023 | Water |
| Camas Solar Project | Greenbacker Renewable Energy Corporation | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 10.3 GWh | May 2022 | Dec 2023 | Solar |
| Cedar Falls (WA) | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 25.2 GWh | Oct 1921 | Dec 2023 | Water |
| 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% |
| Chandler | U S Bureau of Reclamation | Benton City, WA | Bonneville Power Administration (BPAT) | 50.7 GWh | Jan 1956 | Nov 2023 | Water |
| Chehalis Generating Facility | PacifiCorp | Chehalis, WA | Bonneville Power Administration (BPAT) | 2.4 TWh | Jul 2003 | Aug 2024 | Natural Gas |
| Chelan | PUD No 1 of Chelan County | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 305.8 GWh | Aug 1927 | Dec 2023 | Water |
| Chief Joseph | USACE Northwestern Division | Bridgeport, WA | Bonneville Power Administration (BPAT) | 8.9 TWh | Aug 1955 | Aug 2024 | Water |
| Coastal Energy Project | Coastal Community Action Program | Aberdeen, WA | Bonneville Power Administration (BPAT) | 11.6 GWh | May 2010 | Dec 2023 | Wind |
| Columbia Generating Station | Energy Northwest | Richland, WA | Bonneville Power Administration (BPAT) | 9.9 TWh | Nov 1984 | Aug 2024 | Nuclear |
| Cosmo Specialty Fibers Plant | Cosmo Specialty Fibers | Cosmopolis, WA | Bonneville Power Administration (BPAT) | 99.6 GWh | Dec 1956 | Dec 2022 | Wood Waste Liquids, excluding Black Liquor : 71.5% Wood/Wood Waste Solids : 15.8% Residual Fuel Oil : 12.7% |
| Cowiche | Yakima-Tieton Irrigation Dist | Tieton, WA | PacifiCorp West (PACW) | 3.4 GWh | Feb 1987 | Oct 2023 | Water |
| Cowlitz Falls | PUD No 1 of Lewis County | Randle, WA | Bonneville Power Administration (BPAT) | 190.4 GWh | May 1994 | Dec 2023 | Water |
| Crystal Mountain | Puget Sound Energy Inc | Greenwater, WA | Puget Sound Energy, Inc. (PSEI) | 196.0 MWh | Nov 1969 | Jun 2024 | Distillate Fuel Oil |
| Cushman 1 | City of Tacoma - (WA) | Shelton, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 115.5 GWh | May 1926 | Dec 2023 | Water |
| Cushman 2 | City of Tacoma - (WA) | Shelton, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 168.5 GWh | Nov 1930 | Dec 2023 | Water |
Browse Power Plants By Washington Counties
Figures are based on August 2024 generation numbers.| County | State Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Grant County, WA | # 1 | 8 | 23.3 TWh |
| Douglas County, WA | # 2 | 2 | 12.3 TWh |
| Benton County, WA | # 3 | 6 | 10.3 TWh |
| Lewis County, WA | # 4 | 8 | 7.0 TWh |
| Chelan County, WA | # 5 | 4 | 7.0 TWh |
| Whatcom County, WA | # 6 | 13 | 5.8 TWh |
| Klickitat County, WA | # 7 | 16 | 5.3 TWh |
| Grays Harbor County, WA | # 8 | 6 | 3.5 TWh |
| Pend Oreille County, WA | # 9 | 3 | 3.5 TWh |
| Cowlitz County, WA | # 10 | 6 | 3.4 TWh |
| Columbia County, WA | # 11 | 4 | 3.1 TWh |
| Walla Walla County, WA | # 12 | 4 | 3.1 TWh |
| Pierce County, WA | # 13 | 13 | 2.7 TWh |
| Skagit County, WA | # 14 | 4 | 2.3 TWh |
| Whitman County, WA | # 15 | 6 | 1.6 TWh |
| Clark County, WA | # 16 | 2 | 1.6 TWh |
| County | State Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Kittitas County, WA | # 17 | 9 | 1.1 TWh |
| Garfield County, WA | # 18 | 1 | 780.8 GWh |
| Lincoln County, WA | # 19 | 2 | 588.8 GWh |
| Skamania County, WA | # 20 | 1 | 567.6 GWh |
| Spokane County, WA | # 21 | 7 | 499.1 GWh |
| Thurston County, WA | # 22 | 3 | 449.2 GWh |
| Adams County, WA | # 23 | 4 | 439.6 GWh |
| Stevens County, WA | # 24 | 4 | 350.4 GWh |
| Snohomish County, WA | # 25 | 9 | 329.5 GWh |
| King County, WA | # 26 | 12 | 328.7 GWh |
| Mason County, WA | # 27 | 3 | 290.0 GWh |
| Yakima County, WA | # 28 | 12 | 105.4 GWh |
| Clallam County, WA | # 29 | 3 | 36.2 GWh |
| Jefferson County, WA | # 30 | 2 | 35.5 GWh |
| Franklin County, WA | # 31 | 3 | 17.2 GWh |