Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Garland Canal Power Plant | Shoshone Irrigation District | Powell, WY | PacifiCorp East (PACE) | 8.8 GWh | Aug 1983 | Oct 2025 | Water |
| Seven Mile Hill | PacifiCorp | Medicine Bow, WY | PacifiCorp East (PACE) | 399.8 GWh | Nov 2008 | Dec 2024 | Wind |
| Power County Wind Park South | Power County Wind Park South LLC | American Falls, ID | PacifiCorp East (PACE) | 53.4 GWh | Nov 2011 | Dec 2024 | Wind |
| Top of the World Windpower Project | Duke Energy Renewables Services | Glenrock, WY | PacifiCorp East (PACE) | 498.5 GWh | Sep 2010 | Mar 2026 | Wind |
| Wanship | Weber Basin Water Conserv Dist | Wanship, UT | PacifiCorp East (PACE) | 9.0 GWh | Jul 1958 | Dec 2024 | Water |
| Upper Beaver | Beaver City Corporation | Beaver, UT | PacifiCorp East (PACE) | 10.1 GWh | Jul 1907 | Dec 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) | 209.9 GWh | Aug 1951 | Mar 2026 | Natural Gas |
| Granite | PacifiCorp | Salt lake City, UT | PacifiCorp East (PACE) | 5.2 GWh | Jul 1896 | Dec 2024 | Water |
| Pioneer | PacifiCorp | Ogden, UT | PacifiCorp East (PACE) | 18.3 GWh | May 1910 | Dec 2024 | Water |
| Snake Creek | Heber Light & Power Company | Midway, UT | PacifiCorp East (PACE) | 5.6 GWh | Jun 1910 | Dec 2024 | Water |
| Bountiful City | City of Bountiful | Bountiful, UT | PacifiCorp East (PACE) | 28.4 GWh | Sep 1986 | Dec 2024 | Natural Gas |
| Brigham City | Brigham City Corporation | Brigham, UT | PacifiCorp East (PACE) | 7.8 GWh | Dec 1920 | Dec 2024 | Water |
| Bartholomew | City of Springville - (UT) | Springville, UT | PacifiCorp East (PACE) | 271.0 MWh | Mar 1988 | Dec 2024 | Water |
| Spanish Fork | Strawberry Water Users Assn | Spanish Fork, UT | PacifiCorp East (PACE) | 14.5 GWh | Sep 1937 | Dec 2024 | Water |
| Gateway | Weber Basin Water Conserv Dist | Mountain Green, UT | PacifiCorp East (PACE) | 14.9 GWh | Jul 1958 | Dec 2024 | Water |
| Stairs | PacifiCorp | Salt Lake City, UT | PacifiCorp East (PACE) | 3.2 GWh | Jun 1912 | Dec 2024 | Water |
| Oneida | PacifiCorp | Riverdale, ID | PacifiCorp East (PACE) | 42.0 GWh | Jun 1915 | 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 |
| Lower No 2 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 5.4 GWh | Jul 1940 | Oct 2024 | Water |
| Upper Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 44.9 GWh | Aug 1982 | Dec 2024 | Water |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 19.1 GWh | Jun 1924 | Dec 2024 | Water |
| Ashton | PacifiCorp | Ashton, ID | PacifiCorp East (PACE) | 32.6 GWh | Jun 1917 | Dec 2024 | Water |
| Lake Creek Dam | Heber Light & Power Company | Heber City, UT | PacifiCorp East (PACE) | 3.2 GWh | Apr 1981 | Dec 2024 | Water |
| Last Chance | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 4.5 GWh | Jan 1984 | Dec 2024 | Water |
| Gem State | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 108.5 GWh | Oct 1988 | 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 |
| Manti Lower | City of Manti - (UT) | Manti, UT | PacifiCorp East (PACE) | 802.0 MWh | Dec 1988 | Dec 2024 | Water |
| Grace | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 88.1 GWh | Jun 1923 | Dec 2024 | Water |
| Blundell | PacifiCorp | Milford, UT | PacifiCorp East (PACE) | 272.5 GWh | Jun 1984 | Dec 2024 | Geothermal |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 3.8 GWh | Aug 1985 | Nov 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% |
| Basin Creek Plant | Basin Creek Power Services LLC | Butte, MT | NorthWestern Corporation (NWMT) | 128.4 GWh | May 2006 | Mar 2026 | Natural Gas |
| 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% |
| Judith Gap Wind Energy Center | Invenergy Services LLC | Harlowton, MT | NorthWestern Corporation (NWMT) | 416.2 GWh | Nov 2005 | Mar 2026 | Wind |
| Horseshoe Bend Wind Park | Cycle Holdings, LLC | Great Falls, MT | NorthWestern Corporation (NWMT) | 108.0 MWh | Jan 2006 | Dec 2024 | Wind |
| Colstrip | Talen Montana LLC | Colstrip, MT | NorthWestern Corporation (NWMT) | 8.3 TWh | Oct 1975 | Mar 2026 | Subbituminous Coal : 99.9% |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 76.2 GWh | Aug 1906 | Dec 2024 | Water |
| Lake (WY) | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 515.0 MWh | Aug 1967 | Dec 2024 | Distillate Fuel Oil |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 434.6 GWh | Jul 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 |
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 436.4 GWh | Jun 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 |
| 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 |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 255.0 GWh | Dec 1929 | 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 |
| 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) | 448.6 GWh | May 1995 | Mar 2026 | Petroleum Coke : 99.6% |
| Gordon Butte Wind LLC | Gordon Butte Wind LLC | Martinsdale, MT | NorthWestern Corporation (NWMT) | 72.8 GWh | Dec 2011 | Dec 2024 | Wind |
| Dave Gates Generating Station | NorthWestern Energy (MT wind/thermal) | Anaconda, MT | NorthWestern Corporation (NWMT) | 432.4 GWh | Dec 2010 | Mar 2026 | 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 |
| Stillwater Wind, LLC | Pattern Operators LP | Reed Point, MT | NorthWestern Corporation (NWMT) | 261.8 GWh | Sep 2018 | Mar 2026 | Wind |
| River Bend Solar, LLC (MT) | Adapture Renewables, Inc. | Reed Point, MT | NorthWestern Corporation (NWMT) | 3.2 GWh | Mar 2017 | Mar 2026 | Solar |
| Great Divide Solar, LLC | Adapture Renewables, Inc. | Canyon Creek, MT | NorthWestern Corporation (NWMT) | 5.9 GWh | Aug 2017 | Mar 2026 | Solar |
| South Mills Solar, LLC | Adapture Renewables, Inc. | Hardin, MT | NorthWestern Corporation (NWMT) | 5.0 GWh | Mar 2017 | Mar 2026 | Solar |
| Black Eagle Solar, LLC | Adapture Renewables, Inc. | Black Eagle, MT | NorthWestern Corporation (NWMT) | 5.0 GWh | Aug 2017 | Mar 2026 | Solar |
| Green Meadow Solar, LLC | Adapture Renewables, Inc. | Helena, MT | NorthWestern Corporation (NWMT) | 5.5 GWh | Mar 2017 | Mar 2026 | Solar |
| Magpie Solar, LLC | Adapture Renewables, Inc. | Lavina, MT | NorthWestern Corporation (NWMT) | 4.9 GWh | Aug 2017 | Mar 2026 | Solar |
| Musselshell Wind Project | Musselshell Wind Project LLC | Shawmut, MT | NorthWestern Corporation (NWMT) | 23.1 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 |
| Flint Creek Hydroelectric LLC | Hydrodynamics Inc | Philipsburg, MT | NorthWestern Corporation (NWMT) | 11.0 GWh | Feb 2013 | Dec 2024 | Water |
| Spion Kop Wind Farm | NorthWestern Energy (MT wind/thermal) | Geyser, MT | NorthWestern Corporation (NWMT) | 110.8 GWh | Nov 2012 | Dec 2024 | Wind |
| Big Timber Wind Farm | Consolidated Edison Development Inc. | Big Timber, MT | NorthWestern Corporation (NWMT) | 77.8 GWh | Jan 2018 | Mar 2026 | Wind |
| Greenfield Wind - MT | Greenbacker Renewable Energy Corporation | Fairfield, MT | NorthWestern Corporation (NWMT) | 82.1 GWh | Sep 2016 | Dec 2024 | Wind |
| 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% |
| South Peak Wind | ALLETE Clean Energy | Geyser, MT | NorthWestern Corporation (NWMT) | 269.7 GWh | Mar 2020 | Mar 2026 | Wind |
| Beaver Creek Wind Facility | Puget Sound Energy Inc | Big Timber, MT | NorthWestern Corporation (NWMT) | 420.2 GWh | - | Mar 2026 | Wind |
| Apex Solar | Apex Solar LLC | Dillon, MT | NorthWestern Corporation (NWMT) | 160.3 GWh | Jul 2023 | Mar 2026 | Solar |
| MTSUN | Greenbacker Renewable Energy Corporation | Billings, MT | NorthWestern Corporation (NWMT) | 140.6 GWh | Dec 2022 | Mar 2026 | 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) | 387.7 GWh | Jun 2024 | Mar 2026 | Natural Gas |
| Clearwater Wind East | Clearwater Wind East, LLC | Miles City, MT | NorthWestern Corporation (NWMT) | 785.7 GWh | Dec 2023 | Mar 2026 | Wind |
| Clearwater Wind II | Clearwater Wind II, LLC | Miles City, MT | NorthWestern Corporation (NWMT) | 388.2 GWh | Nov 2023 | Mar 2026 | Wind |
| NY70 Solar | Generate Capital | Hunt, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Oct 2021 | Dec 2024 | Solar |
| ELP Saugerties CSG | Altus Power America Management, LLC | Saugerties, NY | New York Independent System Operator (NYIS) | 3.3 GWh | Jan 2020 | Dec 2024 | Solar |
| Wheatland 2B Solar | Generate Capital | Scottsville, NY | New York Independent System Operator (NYIS) | 8.0 GWh | Nov 2021 | Dec 2024 | Solar |
| ELP Myer CSG | Altus Power America Management, LLC | Ulster, NY | New York Independent System Operator (NYIS) | 3.5 GWh | May 2021 | Dec 2024 | Solar |
| ELP Kinderhook CSG | Altus Power America Management, LLC | Valatie, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Oct 2020 | Dec 2024 | Solar |
| Wildflower Way Solar | Generate Capital | Bath, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Jun 2021 | Dec 2024 | Solar |
| ELP Greenport CSG | Altus Power America Management, LLC | Hudson, NY | New York Independent System Operator (NYIS) | 7.7 GWh | May 2020 | Dec 2024 | Solar |
| Salt Point Solar (Hybrid) | Generate Capital | Poughkeepsie, NY | New York Independent System Operator (NYIS) | 3.3 GWh | Dec 2020 | Dec 2024 | Solar : 99.9% |
| Mohawk View Solar | Mohawk View Solar, LLC | Fultonville, NY | New York Independent System Operator (NYIS) | 8.7 GWh | Sep 2021 | Dec 2024 | Solar |
| Equinix - Elmsford | Bloom Energy | Elmsford, NY | New York Independent System Operator (NYIS) | 13.0 GWh | Aug 2020 | Dec 2024 | Natural Gas |
| Reid Solar | Generate Capital | Rome, NY | New York Independent System Operator (NYIS) | 7.1 GWh | Mar 2021 | Dec 2024 | Solar |
| OYA Main Street | OYA Main Street LLC | York, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Nov 2022 | Dec 2024 | Solar |
| Reisender Solar | Generate Capital | Ellenville, NY | New York Independent System Operator (NYIS) | 3.3 GWh | Nov 2019 | Dec 2024 | Solar |
| OYA Pulaski | OYA Pulaski LLC | Pulaski, NY | New York Independent System Operator (NYIS) | 5.8 GWh | Oct 2022 | Dec 2024 | Solar |
| OYA Wayside Drive | OYA Wayside Drive LLC | Watertown, NY | New York Independent System Operator (NYIS) | 8.0 GWh | Sep 2022 | Dec 2024 | Solar |
| South Fork Wind | Orsted Wind Power North America LLC | East Hampton, NY | New York Independent System Operator (NYIS) | 512.1 GWh | Jun 2024 | Mar 2026 | Wind |
| East Fishkill CSG | Altus Power America Management, LLC | East Fishkill, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Nov 2019 | Dec 2024 | Solar |
| Hecate Energy Albany 2 LLC | Greenbacker Renewable Energy Corporation | Coeymans, NY | New York Independent System Operator (NYIS) | 24.7 GWh | Mar 2024 | Dec 2024 | Solar |
| Sangolqui Solar | Generate Capital | Seneca Falls, NY | New York Independent System Operator (NYIS) | 3.8 GWh | Aug 2021 | Dec 2024 | Solar |
| State Route 14A Solar | Generate Capital | Benton, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Nov 2021 | Dec 2024 | Solar |
| State Highway 17B Solar | Generate Capital | Bethel, NY | New York Independent System Operator (NYIS) | 6.9 GWh | Feb 2021 | Dec 2024 | Solar |
| Svenski Solar (Hybrid) | Generate Capital | Crawford, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Mar 2022 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on March 2026 generation numbers.| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Alabama | # 10 | 76 | 10,194.39 GWh |
| Alaska | # 48 | 139 | 566.31 GWh |
| Arizona | # 15 | 183 | 8,256.99 GWh |
| Arkansas | # 25 | 114 | 4,973.03 GWh |
| California | # 5 | 1,656 | 15,197.83 GWh |
| Colorado | # 30 | 294 | 4,491.41 GWh |
| Connecticut | # 31 | 161 | 3,992.67 GWh |
| Delaware | # 49 | 33 | 248.78 GWh |
| District of Columbia | # 51 | 16 | 18.32 GWh |
| Florida | # 3 | 334 | 19,802.71 GWh |
| Georgia | # 8 | 247 | 10,697.11 GWh |
| Hawaii | # 46 | 69 | 784.18 GWh |
| Idaho | # 42 | 144 | 1,957.44 GWh |
| Illinois | # 4 | 379 | 15,489.73 GWh |
| Indiana | # 12 | 216 | 9,257.49 GWh |
| Iowa | # 21 | 289 | 6,478.67 GWh |
| Kansas | # 23 | 183 | 5,489.55 GWh |
| Kentucky | # 29 | 59 | 4,637.74 GWh |
| Louisiana | # 17 | 86 | 8,003.69 GWh |
| Maine | # 45 | 212 | 1,313.24 GWh |
| Maryland | # 39 | 202 | 2,834.84 GWh |
| Massachusetts | # 44 | 639 | 1,383.17 GWh |
| Michigan | # 13 | 268 | 8,564.76 GWh |
| Minnesota | # 26 | 760 | 4,875.53 GWh |
| Mississippi | # 24 | 55 | 5,467.46 GWh |
| Missouri | # 22 | 125 | 5,500.53 GWh |
| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 69 | 2,464.49 GWh |
| Nebraska | # 37 | 121 | 3,330.39 GWh |
| Nevada | # 35 | 114 | 3,487.65 GWh |
| New Hampshire | # 43 | 54 | 1,520.13 GWh |
| New Jersey | # 28 | 379 | 4,705.05 GWh |
| New Mexico | # 33 | 142 | 3,587.89 GWh |
| New York | # 9 | 935 | 10,247.40 GWh |
| North Carolina | # 11 | 896 | 9,821.46 GWh |
| North Dakota | # 32 | 59 | 3,854.12 GWh |
| Ohio | # 6 | 200 | 12,175.28 GWh |
| Oklahoma | # 19 | 142 | 7,305.54 GWh |
| Oregon | # 20 | 266 | 6,583.30 GWh |
| Pennsylvania | # 2 | 249 | 20,000.86 GWh |
| Rhode Island | # 47 | 100 | 610.71 GWh |
| South Carolina | # 14 | 204 | 8,273.25 GWh |
| South Dakota | # 41 | 52 | 2,184.62 GWh |
| Tennessee | # 18 | 88 | 7,335.80 GWh |
| Texas | # 1 | 961 | 46,858.09 GWh |
| Utah | # 38 | 125 | 3,184.50 GWh |
| Vermont | # 50 | 117 | 217.82 GWh |
| Virginia | # 16 | 233 | 8,059.42 GWh |
| Washington | # 7 | 131 | 10,773.76 GWh |
| West Virginia | # 34 | 40 | 3,543.98 GWh |
| Wisconsin | # 27 | 239 | 4,794.79 GWh |
| Wyoming | # 36 | 70 | 3,358.51 GWh |