Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Nebo Power Station | Utah Associated Mun Power Sys | Payson, UT | PacifiCorp East (PACE) | 882.4 GWh | May 2004 | Jul 2025 | Natural Gas |
| Kennecott Power Plant | Kennecott Utah Copper | Magna, UT | PacifiCorp East (PACE) | 165.9 GWh | Dec 1942 | Jul 2025 | Waste Heat : 74.2% Natural Gas : 25.8% |
| Currant Creek | PacifiCorp | Mona, UT | PacifiCorp East (PACE) | 2.8 TWh | May 2005 | Jul 2025 | Natural Gas |
| Mountain Wind Power LLC | Mountain Wind Power LLC | Fort Bridger, WY | PacifiCorp East (PACE) | 132.6 GWh | Jun 2008 | Jul 2025 | Wind |
| Mountain Wind Power II LLC | Mountain Wind Power II LLC | Fort Bridger, WY | PacifiCorp East (PACE) | 162.6 GWh | Aug 2008 | Jul 2025 | Wind |
| Shute Creek Facility | Exxon Mobil Production Co | Kemmerer, WY | PacifiCorp East (PACE) | 812.0 GWh | Apr 2005 | Jul 2025 | Natural Gas : 60.3% Other Gas : 39.7% |
| Judith Gap Wind Energy Center | Invenergy Services LLC | Harlowton, MT | NorthWestern Corporation (NWMT) | 416.9 GWh | Nov 2005 | Jul 2025 | Wind |
| Horseshoe Bend Wind Park | Cycle Holdings, LLC | Great Falls, MT | NorthWestern Corporation (NWMT) | 108.0 MWh | Jan 2006 | Dec 2024 | Wind |
| Dave Gates Generating Station | NorthWestern Energy (MT wind/thermal) | Anaconda, MT | NorthWestern Corporation (NWMT) | 502.8 GWh | Dec 2010 | Jul 2025 | Natural Gas |
| Colstrip Energy LP | Colstrip Energy LP | Colstrip, MT | NorthWestern Corporation (NWMT) | 287.5 GWh | Jan 1990 | Dec 2024 | Waste/Other Coal : 99.8% |
| Broadwater Power Project | Montana Dept-Natural Res&Consv | Toston, MT | NorthWestern Corporation (NWMT) | 47.4 GWh | May 1989 | Dec 2024 | Water |
| Yellowstone Energy LP | Yellowstone Energy LP | Billings, MT | NorthWestern Corporation (NWMT) | 423.2 GWh | May 1995 | Jul 2025 | Petroleum Coke : 98.8% Other Gas : 1.0% |
| Colstrip | Talen Montana LLC | Colstrip, MT | NorthWestern Corporation (NWMT) | 9.5 TWh | Oct 1975 | Jul 2025 | Subbituminous Coal : 99.9% |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 3.8 GWh | Aug 1985 | Nov 2024 | Water |
| Lake (WY) | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 515.0 MWh | Aug 1967 | Dec 2024 | Distillate Fuel Oil |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 76.2 GWh | Aug 1906 | Dec 2024 | Water |
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 436.4 GWh | Jun 1915 | Dec 2024 | Water |
| Old Faithful | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 273.0 MWh | Nov 1979 | Dec 2024 | Distillate Fuel Oil |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 434.6 GWh | Jul 1915 | Dec 2024 | Water |
| Rainbow (MT) | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 329.0 GWh | Feb 2013 | Dec 2024 | Water |
| Mystic | NorthWestern Energy (MT Hydro) | Fishtail, MT | NorthWestern Corporation (NWMT) | 53.7 GWh | Apr 1925 | Dec 2024 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 255.0 GWh | Dec 1929 | Dec 2024 | Water |
| Selis Ksanka Qlispe | Energy Keepers Inc | Polson, MT | NorthWestern Corporation (NWMT) | 970.3 GWh | Sep 1938 | Dec 2024 | Water |
| Holter | NorthWestern Energy (MT Hydro) | Wolf Creek, MT | NorthWestern Corporation (NWMT) | 265.8 GWh | Jun 1918 | Dec 2024 | Water |
| Hauser | NorthWestern Energy (MT Hydro) | Helena, MT | NorthWestern Corporation (NWMT) | 134.4 GWh | Oct 1911 | Dec 2024 | Water |
| Cochrane | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 228.0 GWh | Jun 1958 | Dec 2024 | Water |
| Black Eagle | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 127.5 GWh | Aug 1927 | Dec 2024 | Water |
| Musselshell Wind Project | Musselshell Wind Project LLC | Shawmut, MT | NorthWestern Corporation (NWMT) | 23.1 GWh | Nov 2012 | Dec 2024 | Wind |
| Turnbull Hydro | Turnbull Hydro LLC | Fairfield, MT | NorthWestern Corporation (NWMT) | 19.2 GWh | May 2011 | Aug 2024 | Water |
| Gordon Butte Wind LLC | Gordon Butte Wind LLC | Martinsdale, MT | NorthWestern Corporation (NWMT) | 72.8 GWh | Dec 2011 | Dec 2024 | Wind |
| Musselshell Wind Project Two LLC | Musselshell Wind Project Two LLC | Shawmut, MT | NorthWestern Corporation (NWMT) | 26.5 GWh | Nov 2012 | Dec 2024 | Wind |
| Hardin Generator Project | Heorot Power Management | Hardin, MT | NorthWestern Corporation (NWMT) | 481.0 GWh | Feb 2006 | Dec 2024 | Subbituminous Coal : 97.5% Bituminous Coal : 1.6% Natural Gas : 0.9% |
| Basin Creek Plant | Basin Creek Power Services LLC | Butte, MT | NorthWestern Corporation (NWMT) | 187.9 GWh | May 2006 | Jul 2025 | Natural Gas |
| Great Divide Solar, LLC | Adapture Renewables, Inc. | Canyon Creek, MT | NorthWestern Corporation (NWMT) | 5.9 GWh | Aug 2017 | Jul 2025 | Solar |
| Big Timber Wind Farm | Consolidated Edison Development Inc. | Big Timber, MT | NorthWestern Corporation (NWMT) | 66.9 GWh | Jan 2018 | Jul 2025 | Wind |
| Magpie Solar, LLC | Adapture Renewables, Inc. | Lavina, MT | NorthWestern Corporation (NWMT) | 5.4 GWh | Aug 2017 | Jul 2025 | Solar |
| River Bend Solar, LLC (MT) | Adapture Renewables, Inc. | Reed Point, MT | NorthWestern Corporation (NWMT) | 3.3 GWh | Mar 2017 | Jul 2025 | Solar |
| Black Eagle Solar, LLC | Adapture Renewables, Inc. | Black Eagle, MT | NorthWestern Corporation (NWMT) | 5.0 GWh | Aug 2017 | Jul 2025 | Solar |
| Green Meadow Solar, LLC | Adapture Renewables, Inc. | Helena, MT | NorthWestern Corporation (NWMT) | 5.6 GWh | Mar 2017 | Jul 2025 | Solar |
| South Mills Solar, LLC | Adapture Renewables, Inc. | Hardin, MT | NorthWestern Corporation (NWMT) | 5.3 GWh | Mar 2017 | Jul 2025 | Solar |
| Fairfield Wind | Greenbacker Renewable Energy Corporation | Fairfield, MT | NorthWestern Corporation (NWMT) | 25.9 GWh | Apr 2014 | Dec 2024 | Wind |
| Two Dot Wind Farm | NorthWestern Energy (MT wind/thermal) | Two Dot, MT | NorthWestern Corporation (NWMT) | 34.8 GWh | May 2014 | Dec 2024 | Wind |
| Apex Solar | Apex Solar LLC | Dillon, MT | NorthWestern Corporation (NWMT) | 165.5 GWh | Jul 2023 | Jul 2025 | Solar |
| MTSUN | Greenbacker Renewable Energy Corporation | Billings, MT | NorthWestern Corporation (NWMT) | 164.4 GWh | Dec 2022 | Jul 2025 | Solar |
| Western Sugar Cooperative - Billings | Western Sugar Cooperative - Billings | Billings, MT | NorthWestern Corporation (NWMT) | 5.3 GWh | Feb 2011 | Dec 2024 | Subbituminous Coal : 85.3% Natural Gas : 14.7% |
| Stillwater Wind, LLC | Pattern Operators LP | Reed Point, MT | NorthWestern Corporation (NWMT) | 263.4 GWh | Sep 2018 | Jul 2025 | Wind |
| Greenfield Wind - MT | Greenbacker Renewable Energy Corporation | Fairfield, MT | NorthWestern Corporation (NWMT) | 82.1 GWh | Sep 2016 | Dec 2024 | Wind |
| South Peak Wind | ALLETE Clean Energy | Geyser, MT | NorthWestern Corporation (NWMT) | 247.6 GWh | Mar 2020 | Jul 2025 | Wind |
| Spion Kop Wind Farm | NorthWestern Energy (MT wind/thermal) | Geyser, MT | NorthWestern Corporation (NWMT) | 110.8 GWh | Nov 2012 | Dec 2024 | Wind |
| Flint Creek Hydroelectric LLC | Hydrodynamics Inc | Philipsburg, MT | NorthWestern Corporation (NWMT) | 11.0 GWh | Feb 2013 | Dec 2024 | Water |
| Yellowstone County Generating Station | NorthWestern Energy (MT wind/thermal) | Laurel, MT | NorthWestern Corporation (NWMT) | 244.0 GWh | Jun 2024 | Jul 2025 | Natural Gas |
| GCC Trident Solar Project | GCC Trident LLC | Three Forks, MT | NorthWestern Corporation (NWMT) | 3.7 GWh | Nov 2022 | Dec 2024 | Solar |
| Clearwater Wind East | Clearwater Wind East, LLC | Miles City, MT | NorthWestern Corporation (NWMT) | 855.2 GWh | Dec 2023 | Jul 2025 | Wind |
| Clearwater Wind II | Clearwater Wind II, LLC | Miles City, MT | NorthWestern Corporation (NWMT) | 404.9 GWh | Nov 2023 | Jul 2025 | Wind |
| Two Dot Wind Broadview East LLC | Two Dot Wind Broadview East LLC | Broadview, MT | NorthWestern Corporation (NWMT) | 4.2 GWh | Sep 2018 | Dec 2023 | Wind |
| Bellisario Solar 2 | Lapeer-Cortland Solar, LLC | Lapeer, NY | New York Independent System Operator (NYIS) | 6.2 GWh | Sep 2021 | Dec 2024 | Solar |
| ASA DeKalb NY Solar II LLC | ASA DeKalb NY Solar II LLC | DeKalb, NY | New York Independent System Operator (NYIS) | 4.7 GWh | Nov 2023 | Dec 2024 | Solar |
| ASA DeKalb NY Solar I LLC | ASA DeKalb NY Solar I LLC | DeKalb, NY | New York Independent System Operator (NYIS) | 6.5 GWh | Nov 2023 | Dec 2024 | Solar |
| ASA Gouverneur NY Solar I LLC | ASA Gouverneur NY Solar I LLC | Richville, NY | New York Independent System Operator (NYIS) | 1.2 GWh | May 2024 | Dec 2024 | Solar |
| Slayton Settlement Road Solar CSG | RPNY Solar 3, LLC | Lockport, NY | New York Independent System Operator (NYIS) | 8.8 GWh | Jan 2024 | Dec 2024 | Solar |
| Orbit Bloom Fuel Cell | DG Fuel Cell, LLC | Medford, NY | New York Independent System Operator (NYIS) | 45.6 GWh | Jul 2020 | Dec 2024 | Natural Gas |
| ASA Gouverneur NY Solar II LLC | ASA Gouverneur NY Solar II LLC | Gouverneur, NY | New York Independent System Operator (NYIS) | 2.8 GWh | Apr 2024 | Dec 2024 | Solar |
| ASA Volney NY Solar I LLC | ASA Volney NY Solar I LLC | Fulton, NY | New York Independent System Operator (NYIS) | 6.5 GWh | Jun 2023 | Dec 2024 | Solar |
| Bellisario Solar 3 | Lapeer-Cortland Solar, LLC | Lapeer, NY | New York Independent System Operator (NYIS) | 6.3 GWh | Sep 2021 | Dec 2024 | Solar |
| Cortlandville III Solar CSG | DG Empire Shine, LLC | Cortland, NY | New York Independent System Operator (NYIS) | 7.9 GWh | Dec 2022 | Sep 2024 | Solar |
| Bellisario Solar 1 | Lapeer-Cortland Solar, LLC | Lapeer, NY | New York Independent System Operator (NYIS) | 6.3 GWh | Feb 2021 | Dec 2024 | Solar |
| Buffalo NY GigaFactory | Tesla Inc. | Buffalo, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Feb 2022 | Jul 2024 | Solar |
| ASA DeKalb NY Solar III LLC | ASA DeKalb NY Solar III LLC | Richville, NY | New York Independent System Operator (NYIS) | 2.9 GWh | Mar 2024 | Dec 2024 | Solar |
| Amazon JFK8 Solar Project | Solar Star Prime 2, LLC | Staten Island, NY | New York Independent System Operator (NYIS) | 6.9 GWh | Feb 2021 | Dec 2024 | Solar |
| Capital Hill Solar LLC | Greenbacker Renewable Energy Corporation | Albany, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Dec 2021 | Dec 2024 | Solar |
| ASA Clayton NY Solar I LLC | ASA Clayton NY Solar I LLC | Clayton, NY | New York Independent System Operator (NYIS) | 738.0 MWh | Jun 2024 | Dec 2024 | Solar |
| Slate Hill(CSG) | Slate Hill Solar LLC | Johnson, NY | New York Independent System Operator (NYIS) | 3.7 GWh | Oct 2021 | Dec 2024 | Solar |
| Minisink CSG | Minisink Solar LLC | Westtown, NY | New York Independent System Operator (NYIS) | 3.6 GWh | Jun 2021 | Dec 2024 | Solar |
| Rock Island Road Solar Community Solar | RPNY Solar 1, LLC | Gouvernour, NY | New York Independent System Operator (NYIS) | 5.8 GWh | Jun 2022 | Dec 2024 | Solar |
| Bullis Road Solar (CSG) | RPNY Solar 2, LLC | Marilla, NY | New York Independent System Operator (NYIS) | 7.1 GWh | May 2022 | Dec 2024 | Solar |
| County of Dutchess, NY (Airport) | Tesla Inc. | Wappinger Falls, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Dec 2019 | Dec 2024 | Solar |
| NY8 - Regan Solar | MN8 Energy LLC | Mohawk, NY | New York Independent System Operator (NYIS) | 31.3 GWh | Nov 2022 | Dec 2024 | Solar |
| Rosemond Solar Community Solar | Scale Sustainable I, LLC | Fallsburg, NY | New York Independent System Operator (NYIS) | 3.6 GWh | Dec 2020 | Dec 2024 | Solar |
| NY8 - Puckett Solar | MN8 Energy LLC | Chenango Forks, NY | New York Independent System Operator (NYIS) | 31.5 GWh | Sep 2022 | Dec 2024 | Solar |
| Hamlin Solar 1, LLC | Nautilus Solar Solutions | Hamlin, NY | New York Independent System Operator (NYIS) | 9.3 GWh | Nov 2020 | Dec 2024 | Solar |
| Clifton Park Solar 1, LLC | Nautilus Solar Solutions | Rexford, NY | New York Independent System Operator (NYIS) | 8.3 GWh | Nov 2020 | Dec 2024 | Solar |
| Volney II | DG New York CS, LLC | Fulton, NY | New York Independent System Operator (NYIS) | 4.6 GWh | Jan 2021 | Dec 2024 | Solar |
| Clifton Park Solar 2, LLC | Nautilus Solar Solutions | Rexford, NY | New York Independent System Operator (NYIS) | 3.2 GWh | Nov 2020 | Dec 2024 | Solar |
| NY8 - Janis Solar | MN8 Energy LLC | Willet, NY | New York Independent System Operator (NYIS) | 32.2 GWh | Feb 2023 | Dec 2024 | Solar |
| NY8 - Branscomb Solar | MN8 Energy LLC | Schaghticoke, NY | New York Independent System Operator (NYIS) | 31.8 GWh | Nov 2021 | Dec 2024 | Solar |
| Certain Solar - Staten Island | Bloom Energy | Staten Island, NY | New York Independent System Operator (NYIS) | 16.4 GWh | Aug 2020 | Dec 2024 | Natural Gas |
| NY8 - Grissom Solar | MN8 Energy LLC | Mohawk, NY | New York Independent System Operator (NYIS) | 24.4 GWh | Feb 2023 | Dec 2024 | Solar |
| Mt Pleasant Community Center | Consolidated Edison Solutions Inc. | Valhalla, NY | New York Independent System Operator (NYIS) | 718.0 MWh | Oct 2022 | Dec 2024 | Solar |
| Goldman Sachs Carports Solar | DG Northeast 1, LLC | Cohoes, NY | New York Independent System Operator (NYIS) | 1.1 GWh | Nov 2020 | Dec 2024 | Solar |
| Fuel Cell 3245 Yates Avenue | Bronx Community Clean Energy Project LLC | Bronx, NY | New York Independent System Operator (NYIS) | 40.2 GWh | Jul 2022 | Dec 2024 | Natural Gas |
| Fuel Cell 18A Sneden Avenue | Annadale Community Clean Energy Projects LLC | Staten Island, NY | New York Independent System Operator (NYIS) | 27.3 GWh | Nov 2020 | Dec 2024 | Natural Gas |
| Fuel Cell 18B Sneden Avenue | Annadale Community Clean Energy Projects LLC | Staten Island, NY | New York Independent System Operator (NYIS) | 31.7 GWh | Nov 2020 | Dec 2024 | Natural Gas |
| Sunvestment Energy Group NY 63 LLC | Green Street Power Partners | East Syracuse, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Aug 2020 | Dec 2024 | Solar |
| Freehold(CSG) | Freehold Solar, LLC | Freehold, NY | New York Independent System Operator (NYIS) | 3.5 GWh | Oct 2021 | Dec 2024 | Solar |
| Corning Riverview (CSG) | Corning Riverview Project | Tonawanda, NY | New York Independent System Operator (NYIS) | 7.3 GWh | Nov 2020 | Dec 2024 | Solar |
| Troupsburg | Solar Planet Power | Troupsburg, NY | New York Independent System Operator (NYIS) | 7.2 GWh | Nov 2020 | Dec 2024 | Solar |
| Sangerfield Solar CSG | DG New York CS, LLC | Waterville, NY | New York Independent System Operator (NYIS) | 7.9 GWh | Nov 2021 | Dec 2024 | Solar |
| Bright Oak Solar LLC(CSG) | Nautilus Solar Solutions | Batavia, NY | New York Independent System Operator (NYIS) | 6.7 GWh | Nov 2021 | Dec 2024 | Solar |
| Bright Hill Solar LLC(CSG) | Nautilus Solar Solutions | Dansville, NY | New York Independent System Operator (NYIS) | 7.9 GWh | Nov 2021 | Dec 2024 | Solar |
| River Valley LLC (NY) (CSG) | Nautilus Solar Solutions | Olean, NY | New York Independent System Operator (NYIS) | 7.4 GWh | Nov 2021 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on July 2025 generation numbers.| State | Rank | Active Plants | Jul 2025 Generation |
|---|---|---|---|
| Alabama | # 10 | 75 | 14,023.76 GWh |
| Alaska | # 49 | 142 | 647.77 GWh |
| Arizona | # 11 | 181 | 12,590.97 GWh |
| Arkansas | # 22 | 113 | 7,602.58 GWh |
| California | # 4 | 1,715 | 20,766.98 GWh |
| Colorado | # 30 | 296 | 5,541.43 GWh |
| Connecticut | # 33 | 165 | 4,573.62 GWh |
| Delaware | # 47 | 33 | 885.76 GWh |
| District of Columbia | # 51 | 16 | 20.37 GWh |
| Florida | # 2 | 320 | 27,897.12 GWh |
| Georgia | # 7 | 252 | 15,314.09 GWh |
| Hawaii | # 48 | 70 | 810.90 GWh |
| Idaho | # 44 | 148 | 1,737.05 GWh |
| Illinois | # 5 | 379 | 18,825.62 GWh |
| Indiana | # 14 | 211 | 10,893.09 GWh |
| Iowa | # 26 | 294 | 6,378.95 GWh |
| Kansas | # 27 | 183 | 6,301.46 GWh |
| Kentucky | # 21 | 58 | 8,006.89 GWh |
| Louisiana | # 16 | 83 | 9,983.30 GWh |
| Maine | # 45 | 216 | 1,335.16 GWh |
| Maryland | # 34 | 202 | 4,229.96 GWh |
| Massachusetts | # 40 | 645 | 2,723.08 GWh |
| Michigan | # 12 | 274 | 12,387.95 GWh |
| Minnesota | # 28 | 767 | 6,049.48 GWh |
| Mississippi | # 20 | 56 | 8,258.46 GWh |
| Missouri | # 24 | 123 | 7,206.37 GWh |
| State | Rank | Active Plants | Jul 2025 Generation |
|---|---|---|---|
| Montana | # 41 | 70 | 2,462.99 GWh |
| Nebraska | # 36 | 128 | 3,747.47 GWh |
| Nevada | # 32 | 114 | 4,694.68 GWh |
| New Hampshire | # 42 | 56 | 1,960.10 GWh |
| New Jersey | # 23 | 396 | 7,310.84 GWh |
| New Mexico | # 39 | 139 | 3,280.92 GWh |
| New York | # 9 | 962 | 14,286.81 GWh |
| North Carolina | # 8 | 912 | 14,638.35 GWh |
| North Dakota | # 37 | 57 | 3,647.82 GWh |
| Ohio | # 6 | 200 | 15,381.51 GWh |
| Oklahoma | # 17 | 141 | 9,823.06 GWh |
| Oregon | # 31 | 280 | 5,293.15 GWh |
| Pennsylvania | # 3 | 255 | 25,049.90 GWh |
| Rhode Island | # 46 | 100 | 1,130.00 GWh |
| South Carolina | # 15 | 204 | 10,222.75 GWh |
| South Dakota | # 43 | 52 | 1,793.26 GWh |
| Tennessee | # 19 | 88 | 8,351.47 GWh |
| Texas | # 1 | 916 | 57,614.14 GWh |
| Utah | # 38 | 125 | 3,499.11 GWh |
| Vermont | # 50 | 120 | 210.77 GWh |
| Virginia | # 13 | 238 | 11,293.02 GWh |
| Washington | # 18 | 136 | 8,919.89 GWh |
| West Virginia | # 29 | 39 | 5,909.92 GWh |
| Wisconsin | # 25 | 244 | 7,165.77 GWh |
| Wyoming | # 35 | 73 | 4,219.58 GWh |