Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| PEC Headworks | PUD No 2 of Grant County | Moses Lake, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 17.8 GWh | Aug 1990 | Oct 2024 | Water |
| Quincy Chute | PUD No 2 of Grant County | Quincy, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 30.9 GWh | Sep 1985 | Oct 2024 | Water |
| Wells | PUD No 1 of Douglas County | Chelan, WA | PUD No. 1 of Douglas County (DOPD) | 3.6 TWh | Aug 1967 | Sep 2025 | Water |
| Crystal Mountain | Puget Sound Energy Inc | Greenwater, WA | Puget Sound Energy, Inc. (PSEI) | 492.0 MWh | Nov 1969 | Sep 2025 | Distillate Fuel Oil |
| Upper Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 317.8 GWh | Dec 1958 | Dec 2024 | Water |
| Snoqualmie | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 65.9 GWh | Dec 1897 | Dec 2024 | Water |
| Lower Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 326.7 GWh | Feb 1960 | Dec 2024 | Water |
| Goldendale Generating Station | Puget Sound Energy Inc | Goldendale, WA | Puget Sound Energy, Inc. (PSEI) | 2.1 TWh | Jul 2004 | Dec 2024 | Natural Gas |
| Mint Farm Generating Station | Puget Sound Energy Inc | Longview, WA | Puget Sound Energy, Inc. (PSEI) | 2.3 TWh | Dec 2007 | Dec 2024 | Natural Gas |
| Wild Horse | Puget Sound Energy Inc | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 571.1 GWh | Nov 2006 | Sep 2025 | Wind : 99.9% |
| Sierra Pacific Burlington Facility | Sierra Pacific Industries | Mt Vernon, WA | Puget Sound Energy, Inc. (PSEI) | 151.4 GWh | Feb 2007 | Dec 2024 | Wood/Wood Waste Solids |
| Vantage Wind Energy LLC | Invenergy Services LLC | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 273.2 GWh | Jul 2010 | Dec 2024 | Wind |
| Cedar Hills | Bio Energy Washington, LLC | Maple Valley, WA | Puget Sound Energy, Inc. (PSEI) | 78.0 MWh | Mar 2009 | Dec 2024 | Distillate Fuel Oil |
| Fredonia (WA) | Puget Sound Energy Inc | Mt Vernon, WA | Puget Sound Energy, Inc. (PSEI) | 220.2 GWh | Apr 1984 | Sep 2025 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Frederickson | Puget Sound Energy Inc | Tacoma, WA | Puget Sound Energy, Inc. (PSEI) | 87.8 GWh | Oct 1981 | Dec 2024 | Natural Gas : 78.5% Distillate Fuel Oil : 21.5% |
| Whitehorn | Puget Sound Energy Inc | Blaine, WA | Puget Sound Energy, Inc. (PSEI) | 230.3 GWh | Sep 1981 | Dec 2024 | Natural Gas : 97.5% Distillate Fuel Oil : 2.5% |
| Snoqualmie 2 | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 108.9 GWh | Dec 1956 | Dec 2024 | Water |
| Encogen | Puget Sound Energy Inc | Bellingham, WA | Puget Sound Energy, Inc. (PSEI) | 593.2 GWh | Feb 1993 | Sep 2025 | Natural Gas |
| Weeks Falls | Eagle Creek Renewable Energy, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 13.1 GWh | May 1990 | Dec 2024 | Water |
| Ferndale Generating Station | Puget Sound Energy Inc | Ferndale, WA | Puget Sound Energy, Inc. (PSEI) | 1.7 TWh | Mar 1994 | Sep 2025 | Natural Gas |
| Twin Falls Hydro | Central Rivers Power US, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 62.9 GWh | Nov 1989 | Dec 2024 | Water |
| HF Sinclair Puget Sound Refining | HF Sinclair Corporation | Anacortes, WA | Puget Sound Energy, Inc. (PSEI) | 989.9 GWh | Aug 1991 | Sep 2025 | Natural Gas : 72.0% Other Gas : 28.0% |
| Koma Kulshan | Eagle Creek Renewable Energy, LLC | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 24.8 GWh | Sep 1990 | Dec 2024 | Water |
| Sumas Power Plant | Puget Sound Energy Inc | Sumas, WA | Puget Sound Energy, Inc. (PSEI) | 675.8 GWh | Feb 1993 | Dec 2024 | Natural Gas |
| Black Creek | Black Creek Hydro Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 9.7 GWh | Jan 1994 | Nov 2024 | Water |
| Clearwater Wind I | Clearwater Energy Resources LLC | Miles City, MT | Puget Sound Energy, Inc. (PSEI) | 1.2 TWh | Oct 2022 | Sep 2025 | Wind |
| Nooksack Hydro | Puget Sound Hydro LLC | Glacier, WA | Puget Sound Energy, Inc. (PSEI) | 20.1 GWh | Oct 1906 | Dec 2024 | Water |
| LRI LFGTE Facility | Frontier Operation Services | Graham, WA | Puget Sound Energy, Inc. (PSEI) | 32.1 GWh | Oct 2013 | Dec 2024 | Landfill Gas |
| Swauk Wind LLC | Gamesa Wind US LLC | Thorp, WA | Puget Sound Energy, Inc. (PSEI) | 2.4 GWh | Nov 2012 | Nov 2024 | Wind |
| Skookumchuck Wind Facility | Southern Power Co | Rainier, WA | Puget Sound Energy, Inc. (PSEI) | 391.7 GWh | Oct 2020 | Sep 2025 | Wind |
| Hancock Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 23.0 GWh | Jan 2018 | Dec 2024 | Water |
| Calligan Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 17.2 GWh | Jan 2018 | Dec 2024 | Water |
| Camas Solar Project | Greenbacker Renewable Energy Corporation | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 9.7 GWh | May 2022 | Dec 2024 | Solar |
| Urtica Solar Project | Greenbacker Renewable Energy Corporation | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 10.6 GWh | Oct 2022 | Dec 2024 | Solar |
| Penstemon Solar Project | Greenbacker Renewable Energy Corporation | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 10.7 GWh | Dec 2021 | Dec 2024 | Solar |
| Copper Crossing Energy and Research Cent | Salt River Project | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.1 GWh | May 2024 | Dec 2024 | Natural Gas |
| Queen Creek Solar Farm | Siete Solar LLC | Queen Creek, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 40.7 GWh | Sep 2012 | Dec 2024 | Solar |
| Mesquite Generating Station Block 1 | Salt River Project | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.6 TWh | May 2003 | Sep 2025 | Natural Gas |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.8 TWh | Apr 2003 | Sep 2025 | Natural Gas |
| Sandstone Solar | AES Distributed Energy | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 117.2 GWh | Nov 2015 | Dec 2024 | Solar |
| Gila River Power Block 2 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.0 TWh | May 2003 | Sep 2025 | Natural Gas |
| Bonnybrooke PV | Apple, Inc | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 121.2 GWh | Oct 2016 | Dec 2024 | Solar |
| T0588 Phoenix - AZ | SoCore Energy LLC | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.1 GWh | Apr 2017 | Dec 2024 | Solar |
| Pinal Central Energy Center Hybrid | Pinal Central Energy Center, LLC | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 55.4 GWh | Mar 2018 | Sep 2025 | Solar |
| Saint Solar | Saint Solar LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 286.9 GWh | Dec 2020 | Sep 2025 | Solar |
| East Line Solar | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 252.9 GWh | Nov 2020 | Sep 2025 | Solar |
| Desert Basin | Salt River Project | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.0 TWh | Sep 2001 | Sep 2025 | Natural Gas |
| Gila River Power Block 4 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.9 TWh | Apr 2003 | Sep 2025 | Natural Gas |
| Mesquite Generating Station Block 2 | Mesquite Power LLC | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.1 TWh | Nov 2003 | Sep 2025 | Natural Gas |
| Red Hawk | Arizona Public Service Co | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.8 TWh | Jun 2002 | Sep 2025 | Natural Gas |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.8 TWh | Sep 1974 | Sep 2025 | Natural Gas |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.6 TWh | Nov 1979 | Sep 2025 | Subbituminous Coal : 99.7% |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 32.0 TWh | Dec 1985 | Sep 2025 | Nuclear |
| Dry Lake Wind LLC | Avangrid Power LLC | Heber, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 110.3 GWh | Jul 2009 | Sep 2025 | Wind |
| Poseidon Solar, LLC | Axium Arizona Renewables, LLC | Globe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 50.2 GWh | Nov 2011 | Dec 2024 | Solar |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 54.5 GWh | Apr 2011 | Sep 2025 | Natural Gas |
| Agua Fria | Salt River Project | Glendale, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 243.5 GWh | Mar 1957 | Sep 2025 | Natural Gas |
| Horse Mesa | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 96.4 GWh | Mar 1927 | Sep 2025 | Water |
| Kyrene | Salt River Project | Tempe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 910.1 GWh | Jun 1952 | Sep 2025 | Natural Gas |
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 48.0 GWh | Apr 1926 | Sep 2025 | Water |
| Roosevelt | Salt River Project | Roosevelt, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 101.8 GWh | Feb 1973 | Dec 2024 | Water |
| Stewart Mountain | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 45.7 GWh | Feb 1930 | Dec 2024 | Water |
| Babbitt Ranch Energy Center | Babbitt Ranch Energy Center, LLC | Flagstaff, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 560.1 GWh | Jun 2024 | Sep 2025 | Wind |
| Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 800.0 GWh | May 2024 | Sep 2025 | Solar |
| Storey Solar and Storage | Storey Energy Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 298.7 GWh | Aug 2023 | Sep 2025 | Solar |
| West Line Solar, LLC | West Line Solar, LLC | City of Eloy, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 260.3 GWh | Nov 2022 | Sep 2025 | Solar |
| Central Line Solar, LLC | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 271.0 GWh | Mar 2022 | Sep 2025 | Solar |
| Mesa Carport PV | Apple, Inc | Mesa, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 7.5 GWh | Feb 2020 | Sep 2024 | Solar |
| Sonoran Solar Energy | Sonoran Solar Energy, LLC | Buckeye, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.1 TWh | Jun 2023 | Sep 2025 | Solar |
| TJX Phoenix | SoCore Energy LLC | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.0 GWh | Dec 2017 | Dec 2024 | Solar |
| Brittlebush Solar | Randolph Solar Park LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 522.6 GWh | Oct 2024 | Sep 2025 | Solar |
| South Fork Tolt | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 44.6 GWh | Oct 1995 | Dec 2024 | Water |
| University of Washington Power Plant | University of Washington | Seattle, WA | Seattle City Light (SCL) | 4.1 GWh | Dec 1968 | Sep 2025 | Natural Gas : 97.1% Distillate Fuel Oil : 2.9% |
| West Point Treatment Plant | King County Dept-Natural Res | Seattle, WA | Seattle City Light (SCL) | 9.6 GWh | May 2012 | Dec 2024 | Other Biomass Gas |
| Boundary | City of Seattle - (WA) | Metaline, WA | Seattle City Light (SCL) | 2.8 TWh | Jul 1967 | Aug 2025 | Water |
| Ross | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 400.9 GWh | Nov 1952 | Jul 2025 | Water |
| Gorge | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 714.5 GWh | Aug 1924 | Jul 2025 | Water |
| Cedar Falls (WA) | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 6.2 GWh | Oct 1921 | Dec 2024 | Water |
| Diablo | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 361.4 GWh | Sep 1936 | Dec 2024 | Water |
| Midulla Generating Station | Seminole Electric Cooperative Inc | Bowling Green, FL | Seminole Electric Cooperative (SEC) | 3.6 TWh | Dec 2001 | Sep 2025 | Natural Gas |
| Seminole (FL) | Seminole Electric Cooperative Inc | Palatka, FL | Seminole Electric Cooperative (SEC) | 10.0 TWh | Jan 1984 | Sep 2025 | Natural Gas : 76.1% Bituminous Coal : 23.8% |
| Hernando | Hernando Energy | Brooksville, FL | Seminole Electric Cooperative (SEC) | 4.7 GWh | Jan 2010 | Dec 2024 | Landfill Gas |
| Bell Ridge Solar | Bell Ridge Solar, LLC | Trenton, FL | Seminole Electric Cooperative (SEC) | 196.1 GWh | Aug 2023 | Sep 2025 | Solar |
| Landrace Holdings, LLC | Landrace Holdings, LLC | Conway, SC | South Carolina Public Service Authority (SC) | 113.4 GWh | Oct 2023 | Sep 2025 | Solar |
| Omtanke Solar | DG South Carolina Solar, LLC | Ridgeville, SC | South Carolina Public Service Authority (SC) | 9.9 GWh | Feb 2020 | Dec 2024 | Solar |
| Allora Solar, LLC | Allora Solar, LLC | Gilbert, SC | South Carolina Public Service Authority (SC) | 147.8 GWh | Dec 2022 | Sep 2025 | Solar |
| Centerfield Cooper Solar, LLC | Centerfield Cooper Solar, LLC | Chesterfield, SC | South Carolina Public Service Authority (SC) | 143.0 GWh | Nov 2020 | Sep 2025 | Solar |
| Gunsight Solar, LLC | Gunsight Solar, LLC | Swansea, SC | South Carolina Public Service Authority (SC) | 173.7 GWh | Nov 2022 | Sep 2025 | Solar |
| Cross | South Carolina Public Service Authority | Cross, SC | South Carolina Public Service Authority (SC) | 9.0 TWh | Apr 1984 | Sep 2025 | Bituminous Coal : 99.6% |
| St Stephen | US Army Corps of Engineers | St. Stephen, SC | South Carolina Public Service Authority (SC) | 258.6 GWh | Feb 1985 | Dec 2024 | Water |
| Winyah | South Carolina Public Service Authority | Georgetown, SC | South Carolina Public Service Authority (SC) | 4.2 TWh | Feb 1975 | Sep 2025 | Bituminous Coal : 99.6% |
| Horry Land Fill Gas Site | South Carolina Public Service Authority | Conway, SC | South Carolina Public Service Authority (SC) | 4.8 GWh | Jul 2001 | Dec 2024 | Landfill Gas |
| John S Rainey | South Carolina Public Service Authority | Starr, SC | South Carolina Public Service Authority (SC) | 5.0 TWh | Aug 2001 | Sep 2025 | Natural Gas |
| Richland County Landfill | South Carolina Public Service Authority | Lugoff, SC | South Carolina Public Service Authority (SC) | 8.5 GWh | Dec 2005 | Dec 2024 | Landfill Gas |
| Lee County Landfill | South Carolina Public Service Authority | Bishopville, SC | South Carolina Public Service Authority (SC) | 19.1 GWh | Dec 2004 | Dec 2024 | Landfill Gas |
| Hilton Head | South Carolina Public Service Authority | Hilton Head Island, SC | South Carolina Public Service Authority (SC) | 700.0 MWh | Jul 1973 | Dec 2024 | Distillate Fuel Oil |
| Jefferies | South Carolina Public Service Authority | Moncks Corner, SC | South Carolina Public Service Authority (SC) | 248.0 GWh | Nov 1942 | Dec 2024 | Water |
| Spillway | South Carolina Public Service Authority | Pineville, SC | South Carolina Public Service Authority (SC) | 5.6 GWh | Jul 1950 | Aug 2024 | Water |
| Marlboro Mill | Domtar Paper Company Bennettsville | Bennettsville, SC | South Carolina Public Service Authority (SC) | 198.5 GWh | Aug 2010 | Dec 2024 | Black Liquor : 81.9% Wood/Wood Waste Solids : 18.1% |
| Cherokee County Cogen | Cherokee County Cogen Partners LLC | Gaffney, SC | South Carolina Public Service Authority (SC) | 647.2 GWh | Feb 1998 | Dec 2024 | Natural Gas |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |