Directory of Power Plants in Washington
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Packwood | Energy Northwest | Packwood, WA | Bonneville Power Administration (BPAT) | 127.3 GWh | Mar 1964 | Dec 2023 | Water |
| Palouse | Onward Energy | Oakesdale, WA | Avista Corporation (AVA) | 610.4 GWh | Nov 2012 | Dec 2023 | Wind |
| PEC Headworks | PUD No 2 of Grant County | Moses Lake, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 35.8 GWh | Aug 1990 | Oct 2023 | Water |
| Penstemon Solar Project | Greenbacker Renewable Energy Corporation | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 21.1 GWh | Dec 2021 | Dec 2023 | Solar |
| Port Townsend Paper | Port Townsend Paper Co | Port Townsend, WA | Bonneville Power Administration (BPAT) | 35.3 GWh | Dec 1928 | Dec 2023 | Black Liquor : 81.5% Wood/Wood Waste Solids : 13.7% Natural Gas : 3.5% Waste/Other Oil : 1.3% |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 14.0 GWh | Feb 1985 | Oct 2023 | Water |
| Priest Rapids | PUD No 2 of Grant County | Mattawa, WA | Bonneville Power Administration (BPAT) | 4.1 TWh | Sep 1959 | Jul 2024 | Water |
Browse Power Plants By Washington Counties
Figures are based on July 2024 generation numbers.| County | State Rank | Active Plants | Jul 2024 Generation |
|---|---|---|---|
| Adams County, WA | # 25 | 4 | 481.0 GWh |
| Benton County, WA | # 3 | 6 | 11.2 TWh |
| Chelan County, WA | # 4 | 4 | 8.0 TWh |
| Clallam County, WA | # 29 | 3 | 73.9 GWh |
| Clark County, WA | # 16 | 2 | 1.8 TWh |
| Columbia County, WA | # 9 | 4 | 4.5 TWh |
| Cowlitz County, WA | # 8 | 6 | 4.9 TWh |
| Douglas County, WA | # 2 | 2 | 13.7 TWh |
| Franklin County, WA | # 31 | 3 | 33.1 GWh |
| Garfield County, WA | # 20 | 1 | 832.9 GWh |
| Grant County, WA | # 1 | 8 | 26.3 TWh |
| Grays Harbor County, WA | # 10 | 6 | 4.0 TWh |
| Jefferson County, WA | # 30 | 2 | 35.7 GWh |
| King County, WA | # 22 | 12 | 606.4 GWh |
| Kittitas County, WA | # 17 | 9 | 1.7 TWh |
| Klickitat County, WA | # 7 | 16 | 6.9 TWh |
| County | State Rank | Active Plants | Jul 2024 Generation |
|---|---|---|---|
| Lewis County, WA | # 5 | 8 | 8.0 TWh |
| Lincoln County, WA | # 18 | 2 | 1.2 TWh |
| Mason County, WA | # 27 | 3 | 316.1 GWh |
| Pend Oreille County, WA | # 11 | 3 | 3.8 TWh |
| Pierce County, WA | # 12 | 13 | 3.5 TWh |
| Skagit County, WA | # 14 | 4 | 2.9 TWh |
| Skamania County, WA | # 23 | 1 | 584.1 GWh |
| Snohomish County, WA | # 26 | 9 | 393.1 GWh |
| Spokane County, WA | # 19 | 7 | 917.5 GWh |
| Stevens County, WA | # 21 | 4 | 735.3 GWh |
| Thurston County, WA | # 24 | 3 | 504.2 GWh |
| Walla Walla County, WA | # 13 | 4 | 3.3 TWh |
| Whatcom County, WA | # 6 | 13 | 7.5 TWh |
| Whitman County, WA | # 15 | 6 | 2.0 TWh |
| Yakima County, WA | # 28 | 12 | 209.1 GWh |