Directory of Power Plants in Washington
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| LaGrande | City of Tacoma - (WA) | La Grande, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 297.3 GWh | Oct 1912 | Dec 2024 | Water |
| Lilliwaup Falls Generating | William G. Reed Jr | Lilliwaup, WA | Bonneville Power Administration (BPAT) | 5.4 GWh | Apr 1986 | Dec 2024 | Water |
| Linden Wind Energy Project | Los Angeles Department of Water & Power | Goldendale, WA | Bonneville Power Administration (BPAT) | 96.5 GWh | May 2010 | Dec 2024 | Wind |
| Little Falls (WA) | Avista Corp | Ford, WA | Avista Corporation (AVA) | 185.3 GWh | Jun 1910 | Dec 2024 | Water |
| Little Goose | USACE Northwestern Division | Dayton, WA | Bonneville Power Administration (BPAT) | 1.5 TWh | Mar 1970 | Mar 2025 | Water |
| Long Lake | Avista Corp | Ford, WA | Avista Corporation (AVA) | 456.2 GWh | Sep 1915 | Dec 2024 | Water |
| Longview Fibre | Longview Fibre Co | Longview, WA | Bonneville Power Administration (BPAT) | 170.9 GWh | Dec 1948 | Dec 2023 | Black Liquor : 58.4% Wood/Wood Waste Solids : 22.0% Natural Gas : 19.6% |
| Lower Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 326.7 GWh | Feb 1960 | Dec 2024 | Water |
| Lower Granite | USACE Northwestern Division | Pomeroy, WA | Bonneville Power Administration (BPAT) | 1.4 TWh | Mar 1975 | Mar 2025 | Water |
| Lower Monumental | USACE Northwestern Division | Kahlotus, WA | Bonneville Power Administration (BPAT) | 1.4 TWh | May 1969 | Mar 2025 | Water |
| Lower Snake River Wind Energy Project | Puget Sound Energy Inc | Pomeroy, WA | Bonneville Power Administration (BPAT) | 852.0 GWh | Jan 2012 | Mar 2025 | Wind |
| LRI LFGTE Facility | Frontier Operation Services | Graham, WA | Puget Sound Energy, Inc. (PSEI) | 32.1 GWh | Oct 2013 | Dec 2024 | Landfill Gas |
| Lund Hill Solar | Avangrid Power LLC | Bickleton, WA | Avangrid Renewables, LLC (AVRN) | 352.8 GWh | Sep 2022 | Mar 2025 | Solar |
Browse Power Plants By Washington Counties
Figures are based on March 2025 generation numbers.| County | State Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Grant County, WA | # 1 | 9 | 24.3 TWh |
| Chelan County, WA | # 2 | 5 | 11.0 TWh |
| Benton County, WA | # 3 | 7 | 10.2 TWh |
| Douglas County, WA | # 4 | 1 | 9.5 TWh |
| Lewis County, WA | # 5 | 8 | 7.3 TWh |
| Klickitat County, WA | # 6 | 16 | 5.6 TWh |
| Whatcom County, WA | # 7 | 13 | 5.1 TWh |
| Columbia County, WA | # 8 | 4 | 3.4 TWh |
| Cowlitz County, WA | # 9 | 6 | 3.4 TWh |
| Pend Oreille County, WA | # 10 | 3 | 3.3 TWh |
| Walla Walla County, WA | # 11 | 4 | 3.2 TWh |
| Grays Harbor County, WA | # 12 | 6 | 3.1 TWh |
| Pierce County, WA | # 13 | 14 | 2.4 TWh |
| Skagit County, WA | # 14 | 4 | 1.8 TWh |
| Whitman County, WA | # 15 | 6 | 1.7 TWh |
| Clark County, WA | # 16 | 2 | 1.6 TWh |
| County | State Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Kittitas County, WA | # 17 | 9 | 1.2 TWh |
| Garfield County, WA | # 18 | 2 | 852.0 GWh |
| Lincoln County, WA | # 19 | 2 | 641.5 GWh |
| Spokane County, WA | # 20 | 7 | 559.3 GWh |
| Skamania County, WA | # 21 | 1 | 525.6 GWh |
| Adams County, WA | # 22 | 4 | 464.8 GWh |
| Thurston County, WA | # 23 | 4 | 447.3 GWh |
| Snohomish County, WA | # 24 | 9 | 401.9 GWh |
| King County, WA | # 25 | 12 | 367.3 GWh |
| Stevens County, WA | # 26 | 4 | 352.1 GWh |
| Mason County, WA | # 27 | 3 | 304.6 GWh |
| Yakima County, WA | # 28 | 12 | 96.6 GWh |
| Clallam County, WA | # 29 | 3 | 37.5 GWh |
| Jefferson County, WA | # 30 | 3 | 26.8 GWh |
| Franklin County, WA | # 31 | 3 | 12.8 GWh |