Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Strauss CSG | Nautilus Solar Solutions | Geneva, NY | New York Independent System Operator (NYIS) | 3.5 GWh | Aug 2019 | Dec 2024 | Solar |
| Howell CSG | Nautilus Solar Solutions | Middletown, NY | New York Independent System Operator (NYIS) | 2.2 GWh | Jan 2020 | Dec 2024 | Solar |
| Frog Hollow CSG | Nautilus Solar Solutions | Ellenville, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Sep 2019 | Dec 2024 | Solar |
| Dover CSG | Nautilus Solar Solutions | Dover Plains, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Aug 2019 | Dec 2024 | Solar |
| Beals Medina Solar LLC CSG | AES Distributed Energy | Medina, NY | New York Independent System Operator (NYIS) | 4.8 GWh | Apr 2020 | Dec 2024 | Solar |
| CBP Solar | EnterSolar | Buchanan, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Nov 2018 | Dec 2023 | Solar |
| AES Tonawanda Solar LLC | AES Distributed Energy | Tonawanda, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Dec 2019 | Dec 2024 | Solar |
| Newfield Community Solar LLC | Newfield Solar LLC | Newfield, NY | New York Independent System Operator (NYIS) | 8.3 GWh | Dec 2018 | Dec 2024 | Solar |
| Route 14A CDG Solar North and South LLC | Route 14A CDG Solar North and South, LLC | Geneva, NY | New York Independent System Operator (NYIS) | 6.5 GWh | Nov 2018 | Dec 2024 | Solar |
| South Peak Wind | ALLETE Clean Energy | Geyser, MT | NorthWestern Corporation (NWMT) | 255.7 GWh | Mar 2020 | Apr 2025 | 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 |
| MTSUN | Greenbacker Renewable Energy Corporation | Billings, MT | NorthWestern Corporation (NWMT) | 172.8 GWh | Dec 2022 | Apr 2025 | Solar |
| Apex Solar | Apex Solar LLC | Dillon, MT | NorthWestern Corporation (NWMT) | 161.3 GWh | Jul 2023 | 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 |
| 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 |
| Yellowstone County Generating Station | NorthWestern Energy (MT wind/thermal) | Laurel, MT | NorthWestern Corporation (NWMT) | 193.0 GWh | Jun 2024 | Apr 2025 | Natural Gas |
| GCC Trident Solar Project | GCC Trident LLC | Three Forks, MT | NorthWestern Corporation (NWMT) | 3.7 GWh | Nov 2022 | Dec 2024 | Solar |
| Greenfield Wind - MT | Greenbacker Renewable Energy Corporation | Fairfield, MT | NorthWestern Corporation (NWMT) | 82.1 GWh | Sep 2016 | Dec 2024 | Wind |
| Magpie Solar, LLC | Adapture Renewables, Inc. | Lavina, MT | NorthWestern Corporation (NWMT) | 5.5 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 |
| Great Divide Solar, LLC | Adapture Renewables, Inc. | Canyon Creek, MT | NorthWestern Corporation (NWMT) | 6.1 GWh | Aug 2017 | Apr 2025 | Solar |
| Green Meadow Solar, LLC | Adapture Renewables, Inc. | Helena, MT | NorthWestern Corporation (NWMT) | 5.6 GWh | Mar 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 |
| River Bend Solar, LLC | Adapture Renewables, Inc. | Reed Point, MT | NorthWestern Corporation (NWMT) | 3.5 GWh | Mar 2017 | Apr 2025 | Solar |
| Western Sugar Cooperative - Billings | Western Sugar Cooperative - Billings | Billings, MT | NorthWestern Corporation (NWMT) | 5.0 MWh | Feb 2011 | Dec 2024 | Subbituminous Coal |
| Stillwater Wind, LLC | Pattern Operators LP | Reed Point, MT | NorthWestern Corporation (NWMT) | 285.1 GWh | Sep 2018 | Apr 2025 | 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 |
| Spion Kop Wind Farm | NorthWestern Energy (MT wind/thermal) | Geyser, MT | NorthWestern Corporation (NWMT) | 110.8 GWh | Nov 2012 | 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 |
| Musselshell Wind Project | Musselshell Wind Project LLC | Shawmut, MT | NorthWestern Corporation (NWMT) | 23.1 GWh | Nov 2012 | Dec 2024 | Wind |
| Gordon Butte Wind LLC | Gordon Butte Wind LLC | Martinsdale, MT | NorthWestern Corporation (NWMT) | 72.8 GWh | Dec 2011 | Dec 2024 | 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% |
| Judith Gap Wind Energy Center | Invenergy Services LLC | Harlowton, MT | NorthWestern Corporation (NWMT) | 436.7 GWh | Nov 2005 | Apr 2025 | Wind |
| Basin Creek Plant | Basin Creek Power Services LLC | Butte, MT | NorthWestern Corporation (NWMT) | 187.6 GWh | May 2006 | Apr 2025 | Natural Gas |
| 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 |
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 436.4 GWh | Jun 1915 | Dec 2024 | Water |
| Colstrip | Talen Montana LLC | Colstrip, MT | NorthWestern Corporation (NWMT) | 8.8 TWh | Oct 1975 | Apr 2025 | Subbituminous Coal : 99.9% |
| Old Faithful | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 273.0 MWh | Nov 1979 | Dec 2024 | Distillate Fuel Oil |
| 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 |
| 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% |
| Dave Gates Generating Station | NorthWestern Energy (MT wind/thermal) | Anaconda, MT | NorthWestern Corporation (NWMT) | 463.7 GWh | Dec 2010 | Apr 2025 | Natural Gas |
| Horseshoe Bend Wind Park | Cycle Holdings, LLC | Great Falls, MT | NorthWestern Corporation (NWMT) | 108.0 MWh | Jan 2006 | Dec 2024 | Wind |
| 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 |
| Lake (WY) | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 515.0 MWh | Aug 1967 | Dec 2024 | Distillate Fuel Oil |
| Snowbird Power Plant | Snowbird Corporation | Snowbird, UT | PacifiCorp East (PACE) | 14.7 GWh | Nov 1986 | Dec 2024 | Natural Gas |
| Felt | Fall River Rural Elec Coop Inc | Felt, ID | PacifiCorp East (PACE) | 27.8 GWh | Aug 1946 | Dec 2024 | Water |
| Mink Creek Hydro | Mink Creek Hydro Entity | Preston, ID | PacifiCorp East (PACE) | 11.0 GWh | Nov 1986 | Dec 2024 | Water |
| Little Cottonwood | City of Murray - (UT) | Sandy, UT | PacifiCorp East (PACE) | 10.3 GWh | Mar 1983 | Oct 2024 | Water |
| Birch Creek Power | Birch Power Co | Terreton, ID | PacifiCorp East (PACE) | 12.6 GWh | Mar 1986 | Dec 2024 | Water |
| Big Fork | PacifiCorp | Big Fork, MT | PacifiCorp East (PACE) | 21.3 GWh | Jun 1910 | Dec 2024 | Water |
| Jim Bridger | PacifiCorp | Point of Rocks, WY | PacifiCorp East (PACE) | 7.9 TWh | Oct 1974 | Apr 2025 | Subbituminous Coal : 56.5% Natural Gas : 43.5% |
| Bonanza | Deseret Generation & Tran Coop | Vernal, UT | PacifiCorp East (PACE) | 3.0 TWh | Apr 1986 | Apr 2025 | Bituminous Coal : 99.0% Solar : 0.9% |
| Unit 4 | City of Mt Pleasant - (UT) | Mt Pleasent, UT | PacifiCorp East (PACE) | 2.3 GWh | May 1993 | Oct 2024 | Water |
| Whitehead | City of Springville - (UT) | Springville, UT | PacifiCorp East (PACE) | 11.3 GWh | Jul 1986 | Dec 2024 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Lower No 1 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 38.9 GWh | Mar 1982 | Dec 2024 | Water |
| Bloomington Power Plant | City of St George | Bloomington, UT | PacifiCorp East (PACE) | 11.0 MWh | Feb 1999 | Dec 2024 | Distillate Fuel Oil |
| Hydro II | City of Logan - (UT) | Logan, UT | PacifiCorp East (PACE) | 19.1 GWh | Feb 1986 | Dec 2024 | Water |
| Causey | Weber Basin Water Conserv Dist | South Fork, UT | PacifiCorp East (PACE) | 5.3 GWh | Dec 1997 | Dec 2024 | Water |
| Murray Turbine | City of Murray - (UT) | Murray, UT | PacifiCorp East (PACE) | 37.3 GWh | May 2001 | Dec 2024 | Natural Gas |
| St George Red Rock | City of St George | St George, UT | PacifiCorp East (PACE) | 178.0 MWh | Apr 1987 | Dec 2024 | Distillate Fuel Oil |
| Heber City | Heber Light & Power Company | Heber City, UT | PacifiCorp East (PACE) | 27.6 GWh | Nov 1990 | Dec 2024 | Natural Gas |
| Pine View Dam | City of Bountiful | Ogden, UT | PacifiCorp East (PACE) | 6.2 GWh | May 1991 | Oct 2024 | Water |
| Payson | Payson City Corporation | Payson, UT | PacifiCorp East (PACE) | 4.0 MWh | May 1988 | Dec 2024 | Natural Gas : 95.9% Distillate Fuel Oil : 4.1% |
| Huntington | PacifiCorp | Huntington, UT | PacifiCorp East (PACE) | 3.3 TWh | Jun 1974 | Apr 2025 | Bituminous Coal : 99.9% |
| Wolverine Creek | Invenergy Services LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 163.5 GWh | Jan 2006 | Dec 2024 | Wind |
| Kennecott Power Plant | Kennecott Utah Copper | Magna, UT | PacifiCorp East (PACE) | 170.2 GWh | Dec 1942 | Apr 2025 | Waste Heat : 73.8% Natural Gas : 26.2% |
| Nebo Power Station | Utah Associated Mun Power Sys | Payson, UT | PacifiCorp East (PACE) | 824.3 GWh | May 2004 | Apr 2025 | Natural Gas |
| Currant Creek | PacifiCorp | Mona, UT | PacifiCorp East (PACE) | 2.7 TWh | May 2005 | Apr 2025 | Natural Gas |
| Millcreek Power Generation | City of St George | St. George, UT | PacifiCorp East (PACE) | 148.9 GWh | Mar 2006 | Dec 2024 | Natural Gas |
| Lake Side Power Plant | PacifiCorp | Vineyard, UT | PacifiCorp East (PACE) | 5.9 TWh | Aug 2007 | Apr 2025 | Natural Gas |
| West Valley Generation Project | Utah Municipal Power Agency | West Valley City, UT | PacifiCorp East (PACE) | 589.0 GWh | Sep 2001 | Apr 2025 | Natural Gas |
| TransAlta Wyoming Wind | TransAlta Wyoming Wind LLC | Evanston, WY | PacifiCorp East (PACE) | 318.8 GWh | Nov 2003 | Dec 2024 | Wind |
| Foote Creek IV | PacifiCorp | Rock River, WY | PacifiCorp East (PACE) | 11.6 GWh | Jul 2000 | Dec 2023 | Wind |
| Shute Creek Facility | Exxon Mobil Production Co | Kemmerer, WY | PacifiCorp East (PACE) | 829.4 GWh | Apr 2005 | Apr 2025 | Natural Gas : 61.3% Other Gas : 38.7% |
| Foote Creek III | PacifiCorp | McFadden, WY | PacifiCorp East (PACE) | 14.6 GWh | May 1999 | Dec 2023 | Wind |
| Foote Creek I | PacifiCorp | McFadden, WY | PacifiCorp East (PACE) | 215.5 GWh | Mar 1999 | Dec 2023 | Wind |
| Last Chance | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 4.5 GWh | Jan 1984 | Dec 2024 | Water |
| Lake Creek Dam | Heber Light & Power Company | Heber City, UT | PacifiCorp East (PACE) | 3.2 GWh | Apr 1981 | Dec 2024 | Water |
| Blundell | PacifiCorp | Milford, UT | PacifiCorp East (PACE) | 272.5 GWh | Jun 1984 | Dec 2024 | Geothermal |
| Gem State | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 108.5 GWh | Oct 1988 | 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 |
| Oneida | PacifiCorp | Riverdale, ID | PacifiCorp East (PACE) | 42.0 GWh | Jun 1915 | Dec 2024 | Water |
| Manti Lower | City of Manti - (UT) | Manti, UT | PacifiCorp East (PACE) | 802.0 MWh | Dec 1988 | Dec 2024 | Water |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 19.1 GWh | Jun 1924 | 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 |
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 |