Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Kettle Butte Digester, LLC | Kettle Butte Digester, LLC | Roberts, ID | PacifiCorp East (PACE) | 9.2 GWh | Apr 2011 | Dec 2024 | Other Biomass Gas |
| Top of the World Windpower Project | Duke Energy Renewables Services | Glenrock, WY | PacifiCorp East (PACE) | 467.7 GWh | Sep 2010 | Apr 2025 | Wind |
| McFadden Ridge | PacifiCorp | Rock River, WY | PacifiCorp East (PACE) | 84.1 GWh | Sep 2009 | Dec 2024 | Wind |
| Garland Canal Power Plant | Shoshone Irrigation District | Powell, WY | PacifiCorp East (PACE) | 9.5 GWh | Aug 1983 | Apr 2025 | Water |
| Dunlap | PacifiCorp | Medicine Bow, WY | PacifiCorp East (PACE) | 366.5 GWh | Sep 2010 | Dec 2024 | Wind |
| Seven Mile Hill | PacifiCorp | Medicine Bow, WY | PacifiCorp East (PACE) | 399.8 GWh | Nov 2008 | Dec 2024 | Wind |
| Trans-Jordan Generating Station | Energy Developments, Inc d/b/a EDL | South Jordan, UT | PacifiCorp East (PACE) | 36.5 GWh | Feb 2009 | Dec 2024 | Landfill Gas |
| Glenrock | PacifiCorp | Glenrock, WY | PacifiCorp East (PACE) | 400.8 GWh | Nov 2008 | Dec 2024 | Wind |
| Upper Beaver | Beaver City Corporation | Beaver, UT | PacifiCorp East (PACE) | 10.1 GWh | Jul 1907 | Dec 2024 | Water |
| Bartholomew | City of Springville - (UT) | Springville, UT | PacifiCorp East (PACE) | 271.0 MWh | Mar 1988 | Dec 2024 | Water |
| Dave Johnston | PacifiCorp | Glen Rock, WY | PacifiCorp East (PACE) | 4.2 TWh | Jan 1959 | Apr 2025 | Subbituminous Coal : 99.8% |
| Naughton | PacifiCorp | Kemmerer, WY | PacifiCorp East (PACE) | 2.5 TWh | Apr 1963 | Apr 2025 | Subbituminous Coal : 55.6% Natural Gas : 44.4% |
| Echo Dam | City of Bountiful | Echo, UT | PacifiCorp East (PACE) | 13.3 GWh | Feb 1987 | Oct 2024 | Water |
| Logan City | City of Logan - (UT) | Logan, UT | PacifiCorp East (PACE) | 4.6 GWh | Jun 2002 | Dec 2024 | Natural Gas |
| Brigham City | Brigham City Corporation | Brigham, UT | PacifiCorp East (PACE) | 7.8 GWh | Dec 1920 | Dec 2024 | Water |
| Manti Upper | City of Manti - (UT) | Manti, UT | PacifiCorp East (PACE) | 464.0 MWh | Dec 1938 | Apr 2024 | Water |
| Cutler Hydro | PacifiCorp | Collinston, UT | PacifiCorp East (PACE) | 86.6 GWh | Jun 1927 | Dec 2024 | Water |
| Gadsby | PacifiCorp | Salt Lake City, UT | PacifiCorp East (PACE) | 320.0 GWh | Aug 1951 | Apr 2025 | Natural Gas |
| Granite | PacifiCorp | Salt lake City, UT | PacifiCorp East (PACE) | 5.2 GWh | Jul 1896 | Dec 2024 | Water |
| Bountiful City | City of Bountiful | Bountiful, UT | PacifiCorp East (PACE) | 28.4 GWh | Sep 1986 | Dec 2024 | Natural Gas |
| Pioneer | PacifiCorp | Ogden, UT | PacifiCorp East (PACE) | 18.3 GWh | May 1910 | Dec 2024 | Water |
| Wanship | Weber Basin Water Conserv Dist | Wanship, UT | PacifiCorp East (PACE) | 9.0 GWh | Jul 1958 | Dec 2024 | Water |
| Stairs | PacifiCorp | Salt Lake City, UT | PacifiCorp East (PACE) | 3.2 GWh | Jun 1912 | Dec 2024 | Water |
| Snake Creek | Heber Light & Power Company | Midway, UT | PacifiCorp East (PACE) | 5.6 GWh | Jun 1910 | Dec 2024 | Water |
| Gateway | Weber Basin Water Conserv Dist | Mountain Green, UT | PacifiCorp East (PACE) | 14.9 GWh | Jul 1958 | Dec 2024 | Water |
| Spanish Fork | Strawberry Water Users Assn | Spanish Fork, UT | PacifiCorp East (PACE) | 11.5 GWh | Sep 1937 | Dec 2023 | Water |
| Hunter | PacifiCorp | Castle Dale, UT | PacifiCorp East (PACE) | 5.5 TWh | May 1978 | Apr 2025 | Bituminous Coal : 99.8% |
| Wyodak | PacifiCorp | Gillette, WY | PacifiCorp East (PACE) | 1.9 TWh | Aug 1978 | Apr 2025 | Subbituminous Coal : 99.9% |
| Last Chance | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 4.5 GWh | Jan 1984 | Dec 2024 | Water |
| Ashton | PacifiCorp | Ashton, ID | PacifiCorp East (PACE) | 32.6 GWh | Jun 1917 | Dec 2024 | Water |
| Grace | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 88.1 GWh | Jun 1923 | Dec 2024 | Water |
| Gem State | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 108.5 GWh | Oct 1988 | Dec 2024 | Water |
| Oneida | PacifiCorp | Riverdale, ID | PacifiCorp East (PACE) | 42.0 GWh | Jun 1915 | Dec 2024 | Water |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 19.1 GWh | Jun 1924 | Dec 2024 | Water |
| Lake Creek Dam | Heber Light & Power Company | Heber City, UT | PacifiCorp East (PACE) | 3.2 GWh | Apr 1981 | Dec 2024 | Water |
| Hydro Plant No 3 | City of Ephraim - (UT) | east of Ephraim, UT | PacifiCorp East (PACE) | 4.6 GWh | Aug 1984 | Dec 2024 | Water |
| Upper Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 44.9 GWh | Aug 1982 | Dec 2024 | Water |
| Blundell | PacifiCorp | Milford, UT | PacifiCorp East (PACE) | 272.5 GWh | Jun 1984 | Dec 2024 | Geothermal |
| Lower No 2 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 5.4 GWh | Jul 1940 | Oct 2024 | Water |
| Manti Lower | City of Manti - (UT) | Manti, UT | PacifiCorp East (PACE) | 802.0 MWh | Dec 1988 | Dec 2024 | Water |
| City Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 40.4 GWh | Jun 1982 | Dec 2024 | Water |
| 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) | 407.6 GWh | May 1995 | Apr 2025 | Petroleum Coke : 98.4% Other Gas : 1.4% |
| 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 |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 3.8 GWh | Aug 1985 | Nov 2024 | Water |
| Basin Creek Plant | Basin Creek Power Services LLC | Butte, MT | NorthWestern Corporation (NWMT) | 187.6 GWh | May 2006 | Apr 2025 | Natural Gas |
| Judith Gap Wind Energy Center | Invenergy Services LLC | Harlowton, MT | NorthWestern Corporation (NWMT) | 436.7 GWh | Nov 2005 | Apr 2025 | Wind |
| Hardin Generator Project | Heorot Power Management | Hardin, MT | NorthWestern Corporation (NWMT) | 435.4 GWh | Feb 2006 | Dec 2023 | Subbituminous Coal : 99.0% Natural Gas : 1.0% |
| Colstrip | Talen Montana LLC | Colstrip, MT | NorthWestern Corporation (NWMT) | 8.8 TWh | Oct 1975 | Apr 2025 | Subbituminous Coal : 99.9% |
| 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 |
| Holter | NorthWestern Energy (MT Hydro) | Wolf Creek, MT | NorthWestern Corporation (NWMT) | 265.8 GWh | Jun 1918 | Dec 2024 | Water |
| Selis Ksanka Qlispe | Energy Keepers Inc | Polson, MT | NorthWestern Corporation (NWMT) | 970.3 GWh | Sep 1938 | 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 |
| Old Faithful | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 273.0 MWh | Nov 1979 | Dec 2024 | Distillate Fuel Oil |
| Rainbow (MT) | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 329.0 GWh | Feb 2013 | Dec 2024 | Water |
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 436.4 GWh | Jun 1915 | Dec 2024 | Water |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 434.6 GWh | Jul 1915 | Dec 2024 | Water |
| Musselshell Wind Project Two LLC | Musselshell Wind Project Two LLC | Shawmut, MT | NorthWestern Corporation (NWMT) | 26.5 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 |
| 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 | Musselshell Wind Project LLC | Shawmut, MT | NorthWestern Corporation (NWMT) | 23.1 GWh | Nov 2012 | Dec 2024 | Wind |
| Spion Kop Wind Farm | NorthWestern Energy (MT wind/thermal) | Geyser, MT | NorthWestern Corporation (NWMT) | 110.8 GWh | Nov 2012 | Dec 2024 | 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) | 463.7 GWh | Dec 2010 | Apr 2025 | Natural Gas |
| 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 |
| Clearwater Wind II | Clearwater Wind II, LLC | Miles City, MT | NorthWestern Corporation (NWMT) | 399.3 GWh | Nov 2023 | Apr 2025 | Wind |
| Clearwater Wind East | Clearwater Wind East, LLC | Miles City, MT | NorthWestern Corporation (NWMT) | 850.6 GWh | Dec 2023 | Apr 2025 | Wind |
| Greenfield Wind - MT | Greenbacker Renewable Energy Corporation | Fairfield, MT | NorthWestern Corporation (NWMT) | 82.1 GWh | Sep 2016 | Dec 2024 | Wind |
| MTSUN | Greenbacker Renewable Energy Corporation | Billings, MT | NorthWestern Corporation (NWMT) | 172.8 GWh | Dec 2022 | Apr 2025 | Solar |
| 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 |
| Apex Solar | Apex Solar LLC | Dillon, MT | NorthWestern Corporation (NWMT) | 161.3 GWh | Jul 2023 | Apr 2025 | Solar |
| GCC Trident Solar Project | GCC Trident LLC | Three Forks, MT | NorthWestern Corporation (NWMT) | 3.7 GWh | Nov 2022 | Dec 2024 | Solar |
| Yellowstone County Generating Station | NorthWestern Energy (MT wind/thermal) | Laurel, MT | NorthWestern Corporation (NWMT) | 193.0 GWh | Jun 2024 | Apr 2025 | Natural Gas |
| Stillwater Wind, LLC | Pattern Operators LP | Reed Point, MT | NorthWestern Corporation (NWMT) | 285.1 GWh | Sep 2018 | Apr 2025 | Wind |
| Western Sugar Cooperative - Billings | Western Sugar Cooperative - Billings | Billings, MT | NorthWestern Corporation (NWMT) | 5.0 MWh | Feb 2011 | Dec 2024 | Subbituminous Coal |
| River Bend Solar, LLC | Adapture Renewables, Inc. | Reed Point, MT | NorthWestern Corporation (NWMT) | 3.5 GWh | Mar 2017 | Apr 2025 | Solar |
| Great Divide Solar, LLC | Adapture Renewables, Inc. | Canyon Creek, MT | NorthWestern Corporation (NWMT) | 6.1 GWh | Aug 2017 | Apr 2025 | Solar |
| Black Eagle Solar, LLC | Adapture Renewables, Inc. | Black Eagle, MT | NorthWestern Corporation (NWMT) | 5.1 GWh | Aug 2017 | Apr 2025 | Solar |
| Magpie Solar, LLC | Adapture Renewables, Inc. | Lavina, MT | NorthWestern Corporation (NWMT) | 5.5 GWh | Aug 2017 | Apr 2025 | Solar |
| Big Timber Wind Farm | Consolidated Edison Development Inc. | Big Timber, MT | NorthWestern Corporation (NWMT) | 67.7 GWh | Jan 2018 | Apr 2025 | Wind |
| South Mills Solar, LLC | Adapture Renewables, Inc. | Hardin, MT | NorthWestern Corporation (NWMT) | 5.4 GWh | Mar 2017 | Apr 2025 | Solar |
| Green Meadow Solar, LLC | Adapture Renewables, Inc. | Helena, MT | NorthWestern Corporation (NWMT) | 5.6 GWh | Mar 2017 | Apr 2025 | Solar |
| South Peak Wind | ALLETE Clean Energy | Geyser, MT | NorthWestern Corporation (NWMT) | 255.7 GWh | Mar 2020 | Apr 2025 | Wind |
| Pearl II | Nautilus Solar Solutions | Batavia, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Nov 2018 | Dec 2024 | Solar |
| Grand Prix Solar | Diamond Properties | Mt. Kisco, NY | New York Independent System Operator (NYIS) | 527.0 MWh | Feb 2014 | Nov 2024 | Solar |
| 100 Brook Hill Drive Solar | Diamond Properties | West Nyack, NY | New York Independent System Operator (NYIS) | 1.4 GWh | Nov 2015 | Dec 2024 | Solar |
| Hobart & William Smith College Gates Rd. | Dynamic Energy Holdings LLC | Geneva, NY | New York Independent System Operator (NYIS) | 3.0 GWh | Nov 2017 | Dec 2024 | Solar |
| Lansing Renewables, LLC | Lansing Renewables, LLC | Lansing, NY | New York Independent System Operator (NYIS) | 8.0 GWh | Oct 2020 | Dec 2024 | Solar |
| Hales Mills Solar, LLC | Hales Mills Solar, LLC | Johnstown, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Sep 2020 | Dec 2024 | Solar |
| Owlville Creek Solar 2, LLC | Owlville Creek Solar 2, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 7.2 GWh | Nov 2020 | Dec 2023 | Solar |
| Owlville Creek Solar, LLC | Owlville Creek Solar, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Nov 2020 | Dec 2024 | Solar |
| Riley Road LLC | Green Street Power Partners | New Windsor, NY | New York Independent System Operator (NYIS) | 6.9 GWh | Jul 2019 | Dec 2024 | Solar |
| Hope Solar Farm LLC | Green Street Power Partners | Troy, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Nov 2019 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on April 2025 generation numbers.| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,243.20 GWh |
| Alaska | # 48 | 142 | 476.79 GWh |
| Arizona | # 15 | 173 | 7,447.02 GWh |
| Arkansas | # 31 | 99 | 3,937.58 GWh |
| California | # 4 | 1,664 | 15,684.45 GWh |
| Colorado | # 28 | 290 | 4,479.29 GWh |
| Connecticut | # 37 | 162 | 2,832.47 GWh |
| Delaware | # 49 | 32 | 450.59 GWh |
| District of Columbia | # 51 | 16 | 13.07 GWh |
| Florida | # 2 | 317 | 20,430.69 GWh |
| Georgia | # 6 | 248 | 11,378.75 GWh |
| Hawaii | # 46 | 68 | 750.53 GWh |
| Idaho | # 44 | 145 | 1,489.98 GWh |
| Illinois | # 5 | 358 | 14,828.23 GWh |
| Indiana | # 14 | 208 | 7,809.31 GWh |
| Iowa | # 19 | 294 | 6,020.16 GWh |
| Kansas | # 21 | 180 | 5,162.37 GWh |
| Kentucky | # 25 | 57 | 4,785.23 GWh |
| Louisiana | # 16 | 83 | 7,414.75 GWh |
| Maine | # 45 | 208 | 1,052.11 GWh |
| Maryland | # 36 | 196 | 3,016.71 GWh |
| Massachusetts | # 43 | 623 | 1,491.61 GWh |
| Michigan | # 9 | 269 | 9,486.98 GWh |
| Minnesota | # 27 | 765 | 4,502.46 GWh |
| Mississippi | # 20 | 56 | 5,727.48 GWh |
| Missouri | # 23 | 120 | 5,119.33 GWh |
| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,029.46 GWh |
| Nebraska | # 38 | 127 | 2,575.70 GWh |
| Nevada | # 33 | 110 | 3,434.99 GWh |
| New Hampshire | # 42 | 56 | 1,516.23 GWh |
| New Jersey | # 22 | 385 | 5,160.42 GWh |
| New Mexico | # 32 | 139 | 3,447.34 GWh |
| New York | # 8 | 930 | 9,830.59 GWh |
| North Carolina | # 10 | 909 | 9,044.94 GWh |
| North Dakota | # 35 | 57 | 3,134.93 GWh |
| Ohio | # 12 | 197 | 8,321.20 GWh |
| Oklahoma | # 18 | 136 | 6,341.82 GWh |
| Oregon | # 24 | 272 | 4,888.92 GWh |
| Pennsylvania | # 3 | 255 | 17,282.62 GWh |
| Rhode Island | # 47 | 97 | 690.36 GWh |
| South Carolina | # 11 | 200 | 8,436.34 GWh |
| South Dakota | # 41 | 52 | 1,909.63 GWh |
| Tennessee | # 26 | 86 | 4,565.37 GWh |
| Texas | # 1 | 885 | 43,683.73 GWh |
| Utah | # 39 | 122 | 2,192.68 GWh |
| Vermont | # 50 | 117 | 200.11 GWh |
| Virginia | # 17 | 233 | 6,991.48 GWh |
| Washington | # 13 | 134 | 8,268.23 GWh |
| West Virginia | # 30 | 39 | 3,969.31 GWh |
| Wisconsin | # 29 | 244 | 4,163.43 GWh |
| Wyoming | # 34 | 73 | 3,236.34 GWh |