| Grand Coulee | U S Bureau of Reclamation | Grand Coulee, WA | 16 TWh | Feb 1941 | Sep 2025 |
Water
|
| Chief Joseph | USACE Northwestern Division | Bridgeport, WA | 10 TWh | Aug 1955 | Sep 2025 |
Water
|
| Columbia Generating Station | Energy Northwest | Richland, WA | 8 TWh | Nov 1984 | Sep 2025 |
Nuclear
|
| John Day | USACE Northwestern Division | Rufus, OR | 7 TWh | Jul 1968 | Sep 2025 |
Water
|
| The Dalles | USACE Northwestern Division | The Dalles, OR | 6 TWh | May 1957 | Sep 2025 |
Water
|
| Priest Rapids | PUD No 2 of Grant County | Mattawa, WA | 4 TWh | Sep 1959 | Sep 2025 |
Water
|
| McNary | USACE Northwestern Division | Umatilla, OR | 4 TWh | Nov 1953 | Dec 2024 |
Water
|
| Bonneville | USACE Northwestern Division | Cascade Locks, OR | 4 TWh | Jun 1938 | Sep 2025 |
Water
|
| Grays Harbor Energy Facility | Invenergy Services LLC | Elma, WA | 3 TWh | Apr 2008 | Sep 2025 |
Natural Gas
|
| Transalta Centralia Generation | TransAlta Centralia Gen LLC | Centralia, WA | 3 TWh | Nov 1972 | Sep 2025 |
Subbituminous Coal : 99.7%
|
| Chehalis Generating Facility | PacifiCorp | Chehalis, WA | 3 TWh | Jul 2003 | Sep 2025 |
Natural Gas
|
| Coyote Springs II | Avista Corp | Boardman, OR | 2 TWh | Jun 2003 | Sep 2025 |
Natural Gas
|
| Libby | USACE Northwestern Division | Libby, MT | 2 TWh | Jul 1975 | Dec 2024 |
Water
|
| Frederickson Power LP | Frederickson Power LP | Tacoma, WA | 2 TWh | Jul 2002 | Dec 2024 |
Natural Gas
|
| Little Goose | USACE Northwestern Division | Dayton, WA | 1 TWh | Mar 1970 | Sep 2025 |
Water
|
| River Road Gen Plant | PUD No 1 of Clark County - (WA) | Vancouver, WA | 1 TWh | Nov 1997 | Sep 2025 |
Natural Gas
|
| Ice Harbor | USACE Northwestern Division | Burbank, WA | 1 TWh | Dec 1961 | Sep 2025 |
Water
|
| Lower Monumental | USACE Northwestern Division | Kahlotus, WA | 1 TWh | May 1969 | Sep 2025 |
Water
|
| Lower Granite | USACE Northwestern Division | Pomeroy, WA | 1 TWh | Mar 1975 | Sep 2025 |
Water
|
| Dworshak | USACE Northwestern Division | Ahsahka, ID | 1 TWh | Aug 1974 | Dec 2024 |
Water
|
| Lower Snake River Wind Energy Project | Puget Sound Energy Inc | Pomeroy, WA | 786 GWh | Jan 2012 | Sep 2025 |
Wind
|
| Palisades Dam | U S Bureau of Reclamation | Palisades, ID | 744 GWh | Jan 1957 | Dec 2024 |
Water
|
| Hungry Horse | U S Bureau of Reclamation | Columbia Falls, MT | 730 GWh | Sep 1952 | Dec 2024 |
Water
|
| Wheatridge Hybrid | Wheatridge Wind Holdings, LLC | Morrow, OR | 674 GWh | Oct 2020 | Sep 2025 |
Wind : 79.7%
Solar : 20.3%
|
| Windy Flats Wind Project | Windy Flats Partners LLC | Centerville, WA | 672 GWh | Sep 2009 | Dec 2024 |
Wind
|
| White Creek Wind Farm | White Creek Wind 1 LLC | Roosevelt, WA | 564 GWh | Oct 2007 | Dec 2024 |
Wind
|
| Horseshoe Bend Wind LLC | Caithness Shepherds Flat LLC | Arlington, OR | 558 GWh | Jun 2012 | Sep 2025 |
Wind
|
| South Hurlburt Wind LLC | Caithness Shepherds Flat LLC | Arlington, OR | 552 GWh | Jun 2012 | Sep 2025 |
Wind
|
| North Hurlburt Wind LLC | Caithness Shepherds Flat LLC | Arlington, OR | 506 GWh | Jan 2012 | Sep 2025 |
Wind
|
| Tuolumne Wind Project | Turlock Irrigation District | Goldendale, WA | 400 GWh | Apr 2009 | Dec 2024 |
Wind
|
| FPL Energy Vansycle LLC (WA) | FPL Energy Vansycle LLC | Touchet, WA | 370 GWh | Nov 2001 | Dec 2024 |
Wind
|
| H M Jackson | PUD No 1 of Snohomish County | Sultan, WA | 366 GWh | May 1984 | Dec 2024 |
Water
|
| Hopkins Ridge Wind | Puget Sound Energy Inc | Dayton, WA | 351 GWh | Oct 2005 | Sep 2025 |
Wind
|
| Sagebrush Power Partners | Sagebrush Power Partners, LLC | Ellensburg, WA | 278 GWh | Oct 2010 | Dec 2024 |
Wind
|
| Goodnoe Hills | PacifiCorp | Goldendale, WA | 275 GWh | May 2008 | Dec 2024 |
Wind
|
| Leaning Juniper | PacifiCorp | Arlington, OR | 275 GWh | Sep 2006 | Dec 2024 |
Wind
|
| Nippon Dynawave Packaging Longview WA | Nippon Dynawave Packaging Co. | Longview, WA | 274 GWh | Dec 1947 | Sep 2025 |
Black Liquor : 54.0%
Natural Gas : 18.6%
Wood/Wood Waste Solids : 17.0%
Subbituminous Coal : 6.7%
Sludge Waste : 3.4%
|
| Harvest Wind Project | Harvest Wind Project TIC | Roosevelt, WA | 264 GWh | Nov 2009 | Dec 2024 |
Wind
|
| FPL Energy Vansycle LLC (OR) | FPL Energy Vansycle LLC | Touchet, OR | 257 GWh | Nov 2001 | Dec 2024 |
Wind
|
| Wheatridge 1 | Portland General Electric Co | Lexington, OR | 249 GWh | Nov 2020 | Sep 2025 |
Wind
|
| Longview Fibre | Longview Fibre Co | Longview, WA | 235 GWh | Dec 1948 | Dec 2024 |
Black Liquor : 83.1%
Natural Gas : 15.4%
Wood/Wood Waste Solids : 1.5%
|
| Carmen Smith | Eugene Water & Electric Board | McKenzie Bridge, OR | 223 GWh | Dec 1962 | Dec 2024 |
Water
|
| Detroit | USACE Northwestern Division | Mill City, OR | 220 GWh | Jun 1953 | Dec 2024 |
Water
|
| Nine Canyon | Energy Northwest | Kennewick, WA | 209 GWh | Aug 2002 | Dec 2024 |
Wind
|
| Arlington Wind Power Project | Arlington Wind Power Project LLC | Arlington, OR | 201 GWh | Nov 2008 | Dec 2024 |
Wind
|
| Wheat Field Wind Power Project | Wheat Field Wind Power Project LLC | Arlington, OR | 198 GWh | Jan 2009 | Dec 2024 |
Wind
|
| Cowlitz Falls | PUD No 1 of Lewis County | Randle, WA | 196 GWh | May 1994 | Dec 2024 |
Water
|
| Albeni Falls | USACE Northwestern Division | Oldtown, ID | 179 GWh | Apr 1955 | Dec 2024 |
Water
|
| Lookout Point | USACE Northwestern Division | Lowell, OR | 175 GWh | Dec 1954 | Dec 2024 |
Water
|
| Georgia-Pacific Wauna Mill | Georgia-Pacific Wauna LLC | Clatskanie, OR | 172 GWh | Jan 1996 | Sep 2025 |
Black Liquor : 55.8%
Natural Gas : 34.4%
Other Biomass Solids : 9.8%
|
| IP Springfield Oregon | International Paper Corporation - Springfield | Springfield, OR | 169 GWh | Dec 1948 | Dec 2024 |
Black Liquor : 78.2%
Natural Gas : 21.8%
|
| Willow Creek Energy Center | Invenergy Services LLC | Lone, OR | 169 GWh | Dec 2008 | Dec 2024 |
Wind
|
| Horse Butte Wind I, LLC | Utah Associated Mun Power Sys | Iona, ID | 167 GWh | Jul 2012 | Dec 2024 |
Wind
|
| Eurus Combine Hills Turbine Ranch 2 | Eurus Combine Hills II LLC | Milton Freewater, OR | 164 GWh | Dec 2009 | Dec 2024 |
Wind
|
| Goose Prairie Solar | Goose Prairie Solar LLC | Moxee, WA | 162 GWh | Nov 2024 | Sep 2025 |
Solar
|
| Green Peter | USACE Northwestern Division | Foster, OR | 155 GWh | Jun 1967 | Dec 2024 |
Water
|
| Anderson Ranch | U S Bureau of Reclamation | Mountain Home, ID | 130 GWh | Nov 1950 | Dec 2024 |
Water
|
| Sierra Pacific Aberdeen | Sierra Pacific Industries | Aberdeen, WA | 128 GWh | Feb 2003 | Dec 2024 |
Wood/Wood Waste Solids
|
| Seneca Sustainable Energy LLC | Seneca Sustainable Energy LLC | Eugene, OR | 126 GWh | Mar 2011 | Dec 2024 |
Wood/Wood Waste Solids
|
| Wheatridge East Wind | Wheatridge East Wind LLC | Lexington, OR | 121 GWh | - | Sep 2025 |
Wind
|
| Hills Creek | USACE Northwestern Division | Oakridge, OR | 120 GWh | Jan 1962 | Dec 2024 |
Water
|
| Minidoka | U S Bureau of Reclamation | Rupert, ID | 112 GWh | May 1927 | Dec 2024 |
Water
|
| Linden Wind Energy Project | Los Angeles Department of Water & Power | Goldendale, WA | 97 GWh | May 2010 | Dec 2024 |
Wind
|
| Raft River Geothermal Power Plant | US Geothermal Inc. | Malta, ID | 92 GWh | Dec 2007 | Dec 2024 |
Geothermal
|
| Big Cliff | USACE Northwestern Division | Gates, OR | 91 GWh | Nov 1954 | Dec 2024 |
Water
|
| Smith Falls Hydro Project | Smith Creek Hydro, LLC | Bonners Ferry, ID | 83 GWh | Nov 1989 | Nov 2024 |
Water
|
| Condon Windpower LLC | ALLETE Clean Energy | Condon, OR | 77 GWh | Nov 2001 | Dec 2024 |
Wind
|
| Cougar | USACE Northwestern Division | Lowell, OR | 67 GWh | Feb 1964 | Dec 2024 |
Water
|
| McNary Dam Fish Attraction Project | Northern Wasco County PUD | Plymouth, WA | 64 GWh | Oct 1997 | Dec 2024 |
Water
|
| Packwood | Energy Northwest | Packwood, WA | 63 GWh | Mar 1964 | Dec 2024 |
Water
|
| Vansycle | ESI Vansycle Partners LP | Touchet, OR | 60 GWh | Jul 1998 | Dec 2024 |
Wind
|
| Black Canyon | U S Bureau of Reclamation | Emmet, ID | 59 GWh | Nov 1925 | Dec 2024 |
Water
|
| Foster | USACE Northwestern Division | Foster, OR | 57 GWh | Aug 1968 | Dec 2024 |
Water
|
| Georgia-Pacific Toledo Mill | Georgia-Pacific Toledo LLC | Toledo, OR | 56 GWh | Jan 2007 | Dec 2024 |
Black Liquor : 54.8%
Natural Gas : 45.2%
|
| Waste Management Columbia Ridge LFGTE | WM Renewable Energy LLC | Arlington, OR | 55 GWh | Nov 2009 | May 2025 |
Landfill Gas
|
| Walterville | Eugene Water & Electric Board | Springfield, OR | 51 GWh | Dec 1948 | Feb 2024 |
Water
|
| Roza | U S Bureau of Reclamation | Yakima, WA | 48 GWh | Jul 1958 | Dec 2024 |
Water
|
| Falls River Hydro | Marysville Hydro Partners | Ashton, ID | 47 GWh | Jul 1993 | Dec 2024 |
Water
|
| Dalles Dam North Fishway Project | Northern Wasco County PUD | The Dalles, OR | 44 GWh | Apr 1991 | Dec 2024 |
Water
|
| Oregon State University Energy Center | Oregon State University | Corvallis, OR | 39 GWh | May 2010 | Aug 2025 |
Natural Gas
|
| Coffin Butte | Pacific Northwest Generating Coop | Corvallis, OR | 38 GWh | Sep 1995 | Dec 2024 |
Landfill Gas
|
| Green Springs | U S Bureau of Reclamation | Columbia Falls, OR | 38 GWh | Apr 1960 | Dec 2024 |
Water
|
| McKinley Paper Co. - Washington Mill | McKinley Paper Co. - Washington Mill | Port Angeles, WA | 38 GWh | Sep 2013 | Aug 2024 |
Wood/Wood Waste Solids
|
| Yelm | City of Centralia - (WA) | Yelm, WA | 34 GWh | Nov 1930 | Dec 2024 |
Water
|
| Chandler | U S Bureau of Reclamation | Benton City, WA | 31 GWh | Jan 1956 | Dec 2024 |
Water
|
| PaTu Wind Farm LLC | PaTu Wind Farm LLC | Wasco, OR | 30 GWh | Nov 2010 | Dec 2024 |
Wind
|
| Orchard Windfarm 2, LLC | Orchard Windfarm, LLC | Lexington, OR | 30 GWh | Nov 2020 | Dec 2024 |
Wind
|
| Riverbend Landfill | WM Renewable Energy LLC | McMinnville, OR | 28 GWh | May 2010 | Dec 2024 |
Landfill Gas
|
| Finley Buttes Landfill Gas | Finley BioEnergy LLC | Boardman, OR | 28 GWh | Nov 2007 | Dec 2024 |
Landfill Gas
|
| Orchard Windfarm 3, LLC | Orchard Windfarm, LLC | Lexington, OR | 28 GWh | Nov 2020 | Dec 2024 |
Wind
|
| Alkali Solar, LLC | SC Oregon 2 Lessor Parent, LLC | Silver Lake, OR | 25 GWh | May 2020 | Dec 2024 |
Solar
|
| Fort Rock I | Fort Rock Solar I, LLC | Silver Lake, OR | 25 GWh | Feb 2020 | Dec 2024 |
Solar
|
| Suntex Solar, LLC | SC Oregon 2 Lessor Parent, LLC | Riley, OR | 25 GWh | Jun 2020 | Dec 2024 |
Solar
|
| Rock Garden Solar, LLC | SC Oregon 2 Lessor Parent, LLC | Fort Rock, OR | 25 GWh | May 2020 | Dec 2024 |
Solar
|
| Fort Rock IV | Fort Rock Solar IV LLC | Fort Rock, OR | 24 GWh | May 2020 | Dec 2024 |
Solar
|
| Starvation | Starvation Solar I, LLC | Hines, OR | 23 GWh | Nov 2019 | Dec 2024 |
Solar
|
| Riley | Riley Solar I LLC | Riley, OR | 23 GWh | Jun 2020 | Dec 2024 |
Solar
|
| West Hines Solar I, LLC | SC Oregon 2 Lessor Parent, LLC | Hines, OR | 22 GWh | May 2020 | Dec 2024 |
Solar
|
| Stoltze CoGen1 | F H Stoltze Land & Lumber Co | Columbia Falls, MT | 21 GWh | Sep 2013 | Sep 2025 |
Wood/Wood Waste Solids
|
| Moyie Springs | City of Bonners Ferry | Moyie Springs, ID | 21 GWh | Nov 1921 | Dec 2024 |
Water
|
