Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Lightning Dock Geothermal | Lightning Dock Geothermal HI-01, LLC | Animas, NM | Public Service Company of New Mexico (PNM) | 72.3 GWh | Nov 2013 | May 2026 | Geothermal |
| Blue Sky One | CleanCapital Holdings | Taos, NM | Public Service Company of New Mexico (PNM) | 2.7 GWh | Sep 2012 | Dec 2025 | Solar |
| Storrie Lake Solar Project | MSM Solar LLC | Las Vegas, NM | Public Service Company of New Mexico (PNM) | 2.3 GWh | Apr 2014 | Dec 2025 | Solar |
| Rio Rancho High School | Terraform Arcadia | Rio Rancho, NM | Public Service Company of New Mexico (PNM) | 2.2 GWh | Oct 2013 | Dec 2025 | Solar |
| Sue Cleveland High School | Terraform Arcadia | Rio Rancho, NM | Public Service Company of New Mexico (PNM) | 2.3 GWh | Oct 2013 | Dec 2025 | Solar |
| Rocky Reach | PUD No 1 of Chelan County - (WA) | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 6.2 TWh | May 1961 | May 2026 | 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 |
| 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 | May 2026 | Water |
| Wanapum | PUD No 2 of Grant County - (WA) | Beverly, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 5.3 TWh | May 1963 | May 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 |
| 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 |
| Wells | PUD No 1 of Douglas County - (WA) | Chelan, WA | PUD No. 1 of Douglas County (DOPD) | 4.3 TWh | Aug 1967 | May 2026 | Water |
| Pine Forest Solar I | Pine Forest Solar I, LLC | Pickton, TX | PUD No. 1 of Douglas County (DOPD) | 251.1 GWh | Sep 2025 | May 2026 | Solar |
| Clearwater Wind I | Clearwater Energy Resources LLC | Miles City, MT | Puget Sound Energy, Inc. (PSEI) | 1.3 TWh | Oct 2022 | May 2026 | Wind |
| 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 |
| Skookumchuck Wind Facility | Southern Power Co | Rainier, WA | Puget Sound Energy, Inc. (PSEI) | 411.3 GWh | Oct 2020 | May 2026 | 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 |
| Camas Solar Project | Altus Power America Management, LLC | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 10.7 GWh | May 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 |
| Urtica Solar Project | Altus Power America Management, LLC | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 11.4 GWh | Oct 2022 | Dec 2025 | Solar |
| 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) | 236.9 GWh | Feb 1993 | May 2026 | Natural Gas |
| Wild Horse | Puget Sound Energy Inc | Ellensburg, WA | Puget Sound Energy, Inc. (PSEI) | 603.3 GWh | Nov 2006 | May 2026 | Wind : 99.9% |
| Goldendale Generating Station | Puget Sound Energy Inc | Goldendale, WA | Puget Sound Energy, Inc. (PSEI) | 2.1 TWh | Jul 2004 | Dec 2024 | Natural Gas |
| 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 |
| Mint Farm Generating Station | Puget Sound Energy Inc | Longview, WA | Puget Sound Energy, Inc. (PSEI) | 2.3 TWh | Dec 2007 | Dec 2024 | Natural Gas |
| Black Creek | Black Creek Hydro Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 8.7 GWh | Jan 1994 | Dec 2025 | Water |
| Ferndale Generating Station | Puget Sound Energy Inc | Ferndale, WA | Puget Sound Energy, Inc. (PSEI) | 737.5 GWh | Mar 1994 | May 2026 | Natural Gas |
| Weeks Falls | Eagle Creek Renewable Energy, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 10.7 GWh | May 1990 | Dec 2025 | Water |
| Sumas Power Plant | Puget Sound Energy Inc | Sumas, WA | Puget Sound Energy, Inc. (PSEI) | 675.8 GWh | Feb 1993 | Dec 2024 | Natural Gas |
| Koma Kulshan | Eagle Creek Renewable Energy, LLC | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 32.3 GWh | Sep 1990 | 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 |
| HF Sinclair Puget Sound Refining | HF Sinclair Corporation | Anacortes, WA | Puget Sound Energy, Inc. (PSEI) | 896.6 GWh | Aug 1991 | May 2026 | Natural Gas : 74.1% Other Gas : 25.9% |
| 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) | 60.4 GWh | Apr 1984 | May 2026 | Natural Gas : 97.0% Distillate Fuel Oil : 3.0% |
| 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% |
| Upper Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 332.7 GWh | Dec 1958 | Dec 2025 | Water |
| Snoqualmie | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 59.2 GWh | Dec 1897 | Dec 2025 | Water |
| Lower Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 364.8 GWh | Feb 1960 | Dec 2025 | Water |
| Crystal Mountain | Puget Sound Energy Inc | Greenwater, WA | Puget Sound Energy, Inc. (PSEI) | 775.0 MWh | Nov 1969 | May 2026 | Distillate Fuel Oil |
| Desert Basin | Salt River Project | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.3 TWh | Sep 2001 | May 2026 | Natural Gas |
| Gila River Power Block 4 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.4 TWh | Apr 2003 | May 2026 | Natural Gas |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 31.2 TWh | Dec 1985 | May 2026 | Nuclear |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.6 TWh | Nov 1979 | May 2026 | Subbituminous Coal : 99.6% |
| Red Hawk | Arizona Public Service Co | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.0 TWh | Jun 2002 | May 2026 | Natural Gas |
| Harquahala Generating Project | New Harquahala Generating Co, LLC | Tonopah, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.1 TWh | May 2004 | May 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 | May 2026 | Natural Gas |
| Roosevelt | Salt River Project | Roosevelt, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 76.0 GWh | Feb 1973 | Dec 2025 | 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 |
| Agua Fria | Salt River Project | Glendale, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 251.5 GWh | Mar 1957 | May 2026 | Natural Gas : 99.9% |
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 43.9 GWh | Apr 1926 | May 2026 | Water |
| Horse Mesa | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 92.6 GWh | Mar 1927 | May 2026 | Water |
| Kyrene | Salt River Project | Tempe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.2 TWh | Jun 1952 | May 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 |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 58.6 GWh | Apr 2011 | May 2026 | Natural Gas |
| Dry Lake Wind LLC | Avangrid Power LLC | Heber, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 95.9 GWh | Jul 2009 | May 2026 | Wind |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.9 TWh | Sep 1974 | May 2026 | Natural Gas |
| Babbitt Ranch Energy Center | Babbitt Ranch Energy Center, LLC | Flagstaff, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 530.1 GWh | Jun 2024 | May 2026 | Wind |
| Storey Solar and Storage | Storey Energy Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 299.5 GWh | Aug 2023 | May 2026 | Solar |
| Sonoran Solar Energy | Sonoran Solar Energy, LLC | Buckeye, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.1 TWh | Jun 2023 | May 2026 | Solar |
| West Line Solar, LLC | Foster Clean Power A LLC | City of Eloy, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 238.7 GWh | Nov 2022 | May 2026 | Solar |
| Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 791.8 GWh | May 2024 | May 2026 | Solar |
| Central Line Solar, LLC | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 248.1 GWh | Mar 2022 | May 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 |
| Sun Pond | Sun Pond, LLC | Tonopah, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 47.2 GWh | - | May 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 |
| Brittlebush Solar | Randolph Solar Park LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 513.3 GWh | Oct 2024 | May 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 | May 2026 | Natural Gas |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.8 TWh | Apr 2003 | May 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 |
| 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 | May 2026 | Natural Gas |
| Pinal Central Energy Center Hybrid | Pinal Central Energy Center, LLC | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 55.5 GWh | Mar 2018 | May 2026 | 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 |
| East Line Solar | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 234.1 GWh | Nov 2020 | May 2026 | Solar |
| Saint Solar | Saint Solar LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 279.7 GWh | Dec 2020 | May 2026 | Solar |
| 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 |
| Ross | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 714.9 GWh | Nov 1952 | May 2026 | Water |
| Boundary | City of Seattle - (WA) | Metaline, WA | Seattle City Light (SCL) | 3.8 TWh | Jul 1967 | May 2026 | Water |
| Diablo | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 518.2 GWh | Sep 1936 | Dec 2025 | Water |
| Gorge | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 912.4 GWh | Aug 1924 | May 2026 | Water |
| Cedar Falls (WA) | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 53.6 GWh | Oct 1921 | Dec 2025 | Water |
| University of Washington Power Plant | University of Washington | Seattle, WA | Seattle City Light (SCL) | 129.4 MWh | Dec 1968 | May 2026 | Distillate Fuel Oil |
| South Fork Tolt | City of Seattle - (WA) | North Bend, WA | Seattle City Light (SCL) | 48.6 GWh | Oct 1995 | Dec 2025 | Water |
| Seminole (FL) | Seminole Electric Cooperative Inc | Palatka, FL | Seminole Electric Cooperative (SEC) | 10.0 TWh | Jan 1984 | May 2026 | Natural Gas : 66.3% Bituminous Coal : 33.6% |
| Midulla Generating Station | Seminole Electric Cooperative Inc | Bowling Green, FL | Seminole Electric Cooperative (SEC) | 3.3 TWh | Dec 2001 | May 2026 | Natural Gas : 99.9% |
| 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) | 187.7 GWh | Aug 2023 | May 2026 | Solar |
| Landrace Holdings, LLC | Landrace Holdings, LLC | Conway, SC | South Carolina Public Service Authority (SC) | 115.6 GWh | Oct 2023 | May 2026 | Solar |
| Omtanke Solar | DG South Carolina Solar, LLC | Ridgeville, SC | South Carolina Public Service Authority (SC) | 9.8 GWh | Feb 2020 | Dec 2025 | Solar |
| Allora Solar, LLC | Allora Solar, LLC | Gilbert, SC | South Carolina Public Service Authority (SC) | 154.7 GWh | Dec 2022 | May 2026 | Solar |
| Gunsight Solar, LLC | Gunsight Solar, LLC | Swansea, SC | South Carolina Public Service Authority (SC) | 170.3 GWh | Nov 2022 | May 2026 | Solar |
| Centerfield Cooper Solar, LLC | SunStrong Management | Chesterfield, SC | South Carolina Public Service Authority (SC) | 145.2 GWh | Nov 2020 | May 2026 | Solar |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |