Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Allendale Biomass | Allendale Biomass LLC | Fairfax, SC | South Carolina Public Service Authority (SC) | 151.3 GWh | Oct 2013 | Dec 2025 | Wood/Wood Waste Solids |
| Bell Bay Solar Farm | Bell Bay Solar Farm | Conway, SC | South Carolina Public Service Authority (SC) | 2.3 GWh | Feb 2018 | Dec 2025 | Solar |
| Rankin Solar Center, LLC | SunStrong Management | Florence, SC | South Carolina Public Service Authority (SC) | 17.7 GWh | Nov 2019 | Dec 2025 | Solar |
| Runway Solar Farm | Runway Solar Farm | Myrtle Beach, SC | South Carolina Public Service Authority (SC) | 3.5 GWh | Nov 2019 | Dec 2025 | Solar |
| Jamison Solar Farm | Jamison Solar Farm | Orangeburg, SC | South Carolina Public Service Authority (SC) | 1.9 GWh | Mar 2019 | Dec 2025 | Solar |
| Berkeley County Landfill | South Carolina Public Service Authority | Moncks Corner, SC | South Carolina Public Service Authority (SC) | 237.0 MWh | Jan 2011 | Dec 2024 | Landfill Gas |
| 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) | 186.1 GWh | Aug 2023 | Aug 2026 | Solar |
| Midulla Generating Station | Seminole Electric Cooperative Inc | Bowling Green, FL | Seminole Electric Cooperative (SEC) | 3.3 TWh | Dec 2001 | Aug 2026 | Natural Gas : 99.9% |
| Seminole (FL) | Seminole Electric Cooperative Inc | Palatka, FL | Seminole Electric Cooperative (SEC) | 9.8 TWh | Jan 1984 | Aug 2026 | Natural Gas : 63.0% Bituminous Coal : 36.9% |
| South Fork Tolt | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 48.6 GWh | Oct 1995 | Dec 2025 | Water |
| West Point Treatment Plant | King County Dept-Natural Res - (WA) | Seattle, WA | Seattle City Light (SCL) | 14.3 GWh | May 2012 | Dec 2025 | Other Biomass Gas |
| Cedar Falls (WA) | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 53.6 GWh | Oct 1921 | Dec 2025 | Water |
| Gorge | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 942.5 GWh | Aug 1924 | Aug 2026 | Water |
| Diablo | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 518.2 GWh | Sep 1936 | Dec 2025 | Water |
| Boundary | City of Seattle - (WA) | Metaline, WA | Seattle City Light (SCL) | 4.1 TWh | Jul 1967 | Aug 2026 | Water |
| Ross | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 762.5 GWh | Nov 1952 | Aug 2026 | Water |
| University of Washington Power Plant | University of Washington | Seattle, WA | Seattle City Light (SCL) | 125.4 MWh | Dec 1968 | Aug 2026 | Distillate Fuel Oil |
| Desert Basin | Salt River Project | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.4 TWh | Sep 2001 | Aug 2026 | Natural Gas |
| Agua Fria | Salt River Project | Glendale, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 202.1 GWh | Mar 1957 | Aug 2026 | Natural Gas : 99.9% |
| Roosevelt | Salt River Project | Roosevelt, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 76.0 GWh | Feb 1973 | Dec 2025 | Water |
| Horse Mesa | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 74.1 GWh | Mar 1927 | Aug 2026 | Water |
| Kyrene | Salt River Project | Tempe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.2 TWh | Jun 1952 | Aug 2026 | Natural Gas |
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 34.3 GWh | Apr 1926 | Aug 2026 | Water |
| Stewart Mountain | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 36.6 GWh | Feb 1930 | Dec 2025 | Water |
| Red Hawk | Arizona Public Service Co | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.4 TWh | Jun 2002 | Aug 2026 | Natural Gas |
| Mesquite Generating Station Block 2 | Mesquite Power LLC | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.8 TWh | Nov 2003 | Aug 2026 | Natural Gas |
| Harquahala Generating Project | New Harquahala Generating Co, LLC | Tonopah, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.9 TWh | May 2004 | Aug 2026 | Natural Gas |
| Gila River Power Block 4 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.2 TWh | Apr 2003 | Aug 2026 | Natural Gas |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.7 TWh | Nov 1979 | Aug 2026 | Subbituminous Coal : 99.7% |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 31.1 TWh | Dec 1985 | Aug 2026 | Nuclear |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.2 TWh | Sep 1974 | Aug 2026 | Natural Gas |
| Dry Lake Wind LLC | Avangrid Power LLC | Heber, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 95.2 GWh | Jul 2009 | Aug 2026 | Wind |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 114.7 GWh | Apr 2011 | Aug 2026 | Natural Gas |
| Poseidon Solar, LLC | Axium Arizona Renewables, LLC | Globe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 48.8 GWh | Nov 2011 | Dec 2025 | Solar |
| T0588 Phoenix - AZ | SoCore Energy LLC | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.2 GWh | Apr 2017 | Dec 2025 | Solar |
| Pinal Central Energy Center Hybrid | Pinal Central Energy Center, LLC | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 53.5 GWh | Mar 2018 | Aug 2026 | Solar |
| Copper Crossing Energy and Research Cent | Salt River Project | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.3 GWh | Apr 2024 | Dec 2025 | Natural Gas |
| Queen Creek Solar Farm | Siete Solar LLC | Queen Creek, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 34.8 GWh | Sep 2012 | Dec 2025 | Solar |
| Mesquite Generating Station Block 1 | Salt River Project | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.0 TWh | May 2003 | Aug 2026 | Natural Gas |
| East Line Solar | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 230.4 GWh | Nov 2020 | Aug 2026 | Solar |
| Bonnybrooke PV | Salt River Project | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 90.8 GWh | Oct 2016 | Dec 2025 | Solar |
| Gila River Power Block 2 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.4 TWh | May 2003 | Aug 2026 | Natural Gas |
| Sandstone Solar | AES Distributed Energy | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 116.9 GWh | Nov 2015 | Dec 2025 | Solar |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.9 TWh | Apr 2003 | Aug 2026 | Natural Gas |
| Storey Solar and Storage | Storey Energy Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 298.2 GWh | Aug 2023 | Aug 2026 | Solar |
| Sun Pond | Sun Pond, LLC | Tonopah, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 112.5 GWh | - | Aug 2026 | Solar |
| Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 767.3 GWh | May 2024 | Aug 2026 | Solar |
| Sonoran Solar Energy | Sonoran Solar Energy, LLC | Buckeye, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 984.0 GWh | Jun 2023 | Aug 2026 | Solar |
| Babbitt Ranch Energy Center | Babbitt Ranch Energy Center, LLC | Flagstaff, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 520.4 GWh | Jun 2024 | Aug 2026 | Wind |
| West Line Solar, LLC | Foster Clean Power A LLC | City of Eloy, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 242.8 GWh | Nov 2022 | Aug 2026 | Solar |
| Saint Solar | Saint Solar LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 275.0 GWh | Dec 2020 | Aug 2026 | Solar |
| Central Line Solar, LLC | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 247.6 GWh | Mar 2022 | Aug 2026 | Solar |
| Mesa Carport PV | Apple, Inc | Mesa, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 6.2 GWh | Feb 2020 | Jul 2025 | Solar |
| Brittlebush Solar | Randolph Solar Park LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 519.1 GWh | Oct 2024 | Aug 2026 | Solar |
| TJX Phoenix | SoCore Energy LLC | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 6.1 GWh | Dec 2017 | Dec 2025 | Solar |
| Clearwater Wind I | Clearwater Energy Resources LLC | Miles City, MT | Puget Sound Energy, Inc. (PSEI) | 1.3 TWh | Oct 2022 | Aug 2026 | Wind |
| Cedar Hills | King County Solid Waste Division | Maple Valley, WA | Puget Sound Energy, Inc. (PSEI) | 53.0 MWh | Mar 2009 | Dec 2025 | Landfill Gas : 86.4% Distillate Fuel Oil : 13.6% |
| Vantage Wind Energy LLC | Invenergy Services LLC | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 253.2 GWh | Jul 2010 | Dec 2025 | Wind |
| Fredonia (WA) | Puget Sound Energy Inc | Mt Vernon, WA | Puget Sound Energy, Inc. (PSEI) | 48.0 GWh | Apr 1984 | Aug 2026 | Natural Gas : 96.0% Distillate Fuel Oil : 4.0% |
| Frederickson | Puget Sound Energy Inc | Tacoma, WA | Puget Sound Energy, Inc. (PSEI) | 20.8 GWh | Oct 1981 | Dec 2025 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| Snoqualmie | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 59.2 GWh | Dec 1897 | Dec 2025 | Water |
| Crystal Mountain | Puget Sound Energy Inc | Greenwater, WA | Puget Sound Energy, Inc. (PSEI) | 560.0 MWh | Nov 1969 | Jul 2026 | Distillate Fuel Oil |
| Lower Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 364.8 GWh | Feb 1960 | Dec 2025 | Water |
| Twin Falls Hydro | Central Rivers Power US, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 59.3 GWh | Nov 1989 | Dec 2025 | Water |
| Sumas Power Plant | Puget Sound Energy Inc | Sumas, WA | Puget Sound Energy, Inc. (PSEI) | 398.4 GWh | Feb 1993 | Dec 2025 | Natural Gas |
| Black Creek | Black Creek Hydro Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 8.7 GWh | Jan 1994 | Dec 2025 | Water |
| Koma Kulshan | Eagle Creek Renewable Energy, LLC | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 32.3 GWh | Sep 1990 | Dec 2025 | Water |
| Weeks Falls | Eagle Creek Renewable Energy, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 10.7 GWh | May 1990 | Dec 2025 | Water |
| HF Sinclair Puget Sound Refining | HF Sinclair Corporation | Anacortes, WA | Puget Sound Energy, Inc. (PSEI) | 897.0 GWh | Aug 1991 | Aug 2026 | Natural Gas : 74.9% Other Gas : 25.1% |
| Ferndale Generating Station | Puget Sound Energy Inc | Ferndale, WA | Puget Sound Energy, Inc. (PSEI) | 444.4 GWh | Mar 1994 | Aug 2026 | Natural Gas |
| Mint Farm Generating Station | Puget Sound Energy Inc | Longview, WA | Puget Sound Energy, Inc. (PSEI) | 2.2 TWh | Dec 2007 | Dec 2025 | Natural Gas |
| Goldendale Generating Station | Puget Sound Energy Inc | Goldendale, WA | Puget Sound Energy, Inc. (PSEI) | 1.6 TWh | Jul 2004 | Dec 2025 | Natural Gas |
| Wild Horse | Puget Sound Energy Inc | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 613.8 GWh | Nov 2006 | Aug 2026 | Wind : 99.9% |
| Sierra Pacific Burlington Facility | Sierra Pacific Industries | Mt Vernon, WA | Puget Sound Energy, Inc. (PSEI) | 160.2 GWh | Feb 2007 | Dec 2025 | Wood/Wood Waste Solids |
| Upper Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 332.7 GWh | Dec 1958 | Dec 2025 | Water |
| Whitehorn | Puget Sound Energy Inc | Blaine, WA | Puget Sound Energy, Inc. (PSEI) | 65.2 GWh | Sep 1981 | Dec 2025 | Natural Gas : 99.8% |
| Snoqualmie 2 | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 106.8 GWh | Dec 1956 | Dec 2025 | Water |
| Encogen | Puget Sound Energy Inc | Bellingham, WA | Puget Sound Energy, Inc. (PSEI) | 156.7 GWh | Feb 1993 | Aug 2026 | Natural Gas |
| Nooksack Hydro | Puget Sound Hydro LLC | Glacier, WA | Puget Sound Energy, Inc. (PSEI) | 20.2 GWh | Oct 1906 | Dec 2025 | Water |
| LRI LFGTE Facility | Frontier Operation Services | Graham, WA | Puget Sound Energy, Inc. (PSEI) | 33.2 GWh | Oct 2013 | Dec 2025 | Landfill Gas |
| Swauk Wind LLC | Gamesa Wind US LLC | Thorp, WA | Puget Sound Energy, Inc. (PSEI) | 2.9 GWh | Nov 2012 | Dec 2025 | Wind |
| Calligan Creek Hydroelectric Project | PUD No 1 of Snohomish County - (WA) | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 12.6 GWh | Jan 2018 | Dec 2025 | Water |
| Hancock Creek Hydroelectric Project | PUD No 1 of Snohomish County - (WA) | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 18.3 GWh | Jan 2018 | Dec 2025 | Water |
| Urtica Solar Project | Altus Power America Management, LLC | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 11.4 GWh | Oct 2022 | Dec 2025 | Solar |
| Penstemon Solar Project | Altus Power America Management, LLC | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 11.2 GWh | Dec 2021 | Dec 2025 | Solar |
| Camas Solar Project | Altus Power America Management, LLC | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 10.7 GWh | May 2022 | Dec 2025 | Solar |
| Skookumchuck Wind Facility | Southern Power Co | Rainier, WA | Puget Sound Energy, Inc. (PSEI) | 405.7 GWh | Oct 2020 | Aug 2026 | Wind |
| Pine Forest Solar I | Pine Forest Solar I, LLC | Pickton, TX | PUD No. 1 of Douglas County (DOPD) | 465.6 GWh | Sep 2025 | Aug 2026 | Solar |
| Wells | PUD No 1 of Douglas County - (WA) | Chelan, WA | PUD No. 1 of Douglas County (DOPD) | 4.4 TWh | Aug 1967 | Aug 2026 | Water |
| PEC Headworks | Columbia Basin Hydropower | Moses Lake, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 17.7 GWh | Aug 1990 | Oct 2025 | Water |
| Wanapum | PUD No 2 of Grant County - (WA) | Beverly, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 5.4 TWh | May 1963 | Aug 2026 | Water |
| Quincy Chute | Columbia Basin Hydropower | Quincy, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 32.6 GWh | Sep 1985 | Oct 2025 | Water |
| Chelan | PUD No 1 of Chelan County - (WA) | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 325.2 GWh | Aug 1927 | Dec 2025 | Water |
| Rocky Reach | PUD No 1 of Chelan County - (WA) | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 6.4 TWh | May 1961 | Aug 2026 | Water |
| Rock Island | PUD No 1 of Chelan County - (WA) | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 2.6 TWh | Sep 1931 | Aug 2026 | Water |
| Red Mesa Wind LLC | Red Mesa Wind LLC | Seboyeta, NM | Public Service Company of New Mexico (PNM) | 163.2 GWh | Nov 2010 | Dec 2025 | Wind |
| Questa Solar Facility | Chevron Technology Ventures | Questa, NM | Public Service Company of New Mexico (PNM) | 1.3 GWh | Dec 2010 | Dec 2025 | Solar |
| Albuquerque Solar Energy Center | PNM Resources | Albuquerque, NM | Public Service Company of New Mexico (PNM) | 4.1 GWh | Mar 2011 | Dec 2025 | Solar |
| Alamogordo Solar Energy Center | PNM Resources | Alamogordo, NM | Public Service Company of New Mexico (PNM) | 11.1 GWh | Sep 2011 | Dec 2025 | Solar |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |