Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Maybrook Solar, LLC (CSG) | NJR Clean Energy Ventures Corporation | Campbell Hall, NY | New York Independent System Operator (NYIS) | 9.0 GWh | Jan 2023 | Dec 2024 | Solar |
| Castleton | Altus Power America Management, LLC | Castleton on Hudson, NY | New York Independent System Operator (NYIS) | 8.1 GWh | May 2021 | Dec 2024 | Solar |
| South Goshen Community Solar | AES Distributed Energy | Goshen, NY | New York Independent System Operator (NYIS) | 6.1 GWh | Aug 2021 | Dec 2024 | Solar |
| OYA State Route 122 | OYA State Route 122, LLC | Constable, NY | New York Independent System Operator (NYIS) | 6.9 GWh | Nov 2021 | Dec 2024 | Solar |
| Croton Solar | Croton Solar LLC | Cortlandt, NY | New York Independent System Operator (NYIS) | 5.0 GWh | Nov 2021 | Dec 2024 | Solar |
| Beaver Creek Wind Facility | Puget Sound Energy Inc | Big Timber, MT | NorthWestern Corporation (NWMT) | 95.3 GWh | - | Nov 2025 | Wind |
| Clearwater Wind II | Clearwater Wind II, LLC | Miles City, MT | NorthWestern Corporation (NWMT) | 396.3 GWh | Nov 2023 | Nov 2025 | Wind |
| Clearwater Wind East | Clearwater Wind East, LLC | Miles City, MT | NorthWestern Corporation (NWMT) | 823.1 GWh | Dec 2023 | Nov 2025 | Wind |
| 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) | 382.6 GWh | Jun 2024 | Nov 2025 | Natural Gas |
| MTSUN | Greenbacker Renewable Energy Corporation | Billings, MT | NorthWestern Corporation (NWMT) | 151.2 GWh | Dec 2022 | Nov 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) | 165.8 GWh | Jul 2023 | Nov 2025 | Solar |
| Yellowstone Energy LP | Yellowstone Energy LP | Billings, MT | NorthWestern Corporation (NWMT) | 465.3 GWh | May 1995 | Nov 2025 | Petroleum Coke : 99.1% Other Gas : 0.8% |
| Broadwater Power Project | Montana Dept-Natural Res&Consv | Toston, MT | NorthWestern Corporation (NWMT) | 47.4 GWh | May 1989 | Dec 2024 | Water |
| 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) | 172.6 GWh | May 2006 | Nov 2025 | Natural Gas |
| Judith Gap Wind Energy Center | Invenergy Services LLC | Harlowton, MT | NorthWestern Corporation (NWMT) | 412.6 GWh | Nov 2005 | Nov 2025 | Wind |
| Colstrip Energy LP | Colstrip Energy LP | Colstrip, MT | NorthWestern Corporation (NWMT) | 287.5 GWh | Jan 1990 | Dec 2024 | Waste/Other Coal : 99.8% |
| 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 |
| Colstrip | Talen Montana LLC | Colstrip, MT | NorthWestern Corporation (NWMT) | 9.7 TWh | Oct 1975 | Nov 2025 | Subbituminous Coal : 99.9% |
| 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) | 519.1 GWh | Dec 2010 | Nov 2025 | Natural Gas |
| Hauser | NorthWestern Energy (MT Hydro) | Helena, MT | NorthWestern Corporation (NWMT) | 134.4 GWh | Oct 1911 | Dec 2024 | Water |
| Holter | NorthWestern Energy (MT Hydro) | Wolf Creek, MT | NorthWestern Corporation (NWMT) | 265.8 GWh | Jun 1918 | 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 |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 434.6 GWh | Jul 1915 | Dec 2024 | Water |
| 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 |
| 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 |
| Selis Ksanka Qlispe | Energy Keepers Inc | Polson, MT | NorthWestern Corporation (NWMT) | 970.3 GWh | Sep 1938 | Dec 2024 | Water |
| Black Eagle Solar, LLC | Adapture Renewables, Inc. | Black Eagle, MT | NorthWestern Corporation (NWMT) | 5.0 GWh | Aug 2017 | Nov 2025 | Solar |
| River Bend Solar, LLC (MT) | Adapture Renewables, Inc. | Reed Point, MT | NorthWestern Corporation (NWMT) | 3.1 GWh | Mar 2017 | Nov 2025 | Solar |
| Big Timber Wind Farm | Consolidated Edison Development Inc. | Big Timber, MT | NorthWestern Corporation (NWMT) | 66.6 GWh | Jan 2018 | Nov 2025 | Wind |
| South Mills Solar, LLC | Adapture Renewables, Inc. | Hardin, MT | NorthWestern Corporation (NWMT) | 5.0 GWh | Mar 2017 | Nov 2025 | Solar |
| Green Meadow Solar, LLC | Adapture Renewables, Inc. | Helena, MT | NorthWestern Corporation (NWMT) | 5.5 GWh | Mar 2017 | Nov 2025 | Solar |
| Great Divide Solar, LLC | Adapture Renewables, Inc. | Canyon Creek, MT | NorthWestern Corporation (NWMT) | 5.8 GWh | Aug 2017 | Nov 2025 | Solar |
| Magpie Solar, LLC | Adapture Renewables, Inc. | Lavina, MT | NorthWestern Corporation (NWMT) | 4.9 GWh | Aug 2017 | Nov 2025 | Solar |
| Turnbull Hydro | Turnbull Hydro LLC | Fairfield, MT | NorthWestern Corporation (NWMT) | 19.2 GWh | May 2011 | Aug 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 |
| Gordon Butte Wind LLC | Gordon Butte Wind LLC | Martinsdale, MT | NorthWestern Corporation (NWMT) | 72.8 GWh | Dec 2011 | 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 |
| Musselshell Wind Project | Musselshell Wind Project LLC | Shawmut, MT | NorthWestern Corporation (NWMT) | 23.1 GWh | Nov 2012 | Dec 2024 | 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) | 240.4 GWh | Mar 2020 | Nov 2025 | 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% |
| Stillwater Wind, LLC | Pattern Operators LP | Reed Point, MT | NorthWestern Corporation (NWMT) | 254.3 GWh | Sep 2018 | Nov 2025 | Wind |
| Flint Creek Hydroelectric LLC | Hydrodynamics Inc | Philipsburg, MT | NorthWestern Corporation (NWMT) | 11.0 GWh | Feb 2013 | Dec 2024 | Water |
| Two Dot Wind Farm | NorthWestern Energy (MT wind/thermal) | Two Dot, MT | NorthWestern Corporation (NWMT) | 34.8 GWh | May 2014 | Dec 2024 | Wind |
| Fairfield Wind | Greenbacker Renewable Energy Corporation | Fairfield, MT | NorthWestern Corporation (NWMT) | 25.9 GWh | Apr 2014 | Dec 2024 | Wind |
| Beryl Solar Plant | Evergreen Wind, LLC | Beryl, UT | PacifiCorp East (PACE) | 6.3 GWh | Jul 2015 | Dec 2024 | Solar |
| Utah Red Hills Renewable Energy Park | MN8 Energy LLC | Parowan, UT | PacifiCorp East (PACE) | 208.6 GWh | Nov 2015 | Dec 2024 | Solar |
| Granite Peak Solar Plant | Evergreen Wind, LLC | Milford, UT | PacifiCorp East (PACE) | 6.2 GWh | Jul 2015 | Dec 2024 | Solar |
| Cove Fort | Ormat Cove Fort LLC | Cove Fort, UT | PacifiCorp East (PACE) | 120.8 GWh | Nov 2013 | Dec 2024 | Geothermal |
| Greenville Solar Plant | Evergreen Wind, LLC | Milford, UT | PacifiCorp East (PACE) | 4.4 GWh | Sep 2015 | Dec 2024 | Solar |
| Laho Solar Plant | Evergreen Wind, LLC | Milford, UT | PacifiCorp East (PACE) | 6.2 GWh | Jun 2015 | Dec 2024 | Solar |
| Milford Flat Solar Plant | Evergreen Wind, LLC | Milford, UT | PacifiCorp East (PACE) | 6.2 GWh | Jun 2015 | Dec 2024 | Solar |
| Buckhorn Solar Plant | Evergreen Wind, LLC | Paragonah, UT | PacifiCorp East (PACE) | 5.9 GWh | Nov 2015 | Dec 2024 | Solar |
| Cedar Valley Solar Plant | Evergreen Wind, LLC | Cedar City, UT | PacifiCorp East (PACE) | 6.0 GWh | Nov 2015 | Dec 2024 | Solar |
| HTW Plant 303 COGEN | The University of Utah | Salt Lake City, UT | PacifiCorp East (PACE) | 47.3 GWh | Jul 2008 | Nov 2025 | Natural Gas |
| Garland Canal Power Plant | Shoshone Irrigation District | Powell, WY | PacifiCorp East (PACE) | 8.8 GWh | Aug 1983 | Oct 2025 | Water |
| Blue Mountain Biogas | Blue Mountain Biogas LLC | Milford, UT | PacifiCorp East (PACE) | 12.0 MWh | Sep 2012 | Dec 2023 | Other Biomass Gas |
| Power County Wind Park North | Power County Wind Park North LLC | American Falls, ID | PacifiCorp East (PACE) | 61.3 GWh | Nov 2011 | Dec 2024 | Wind |
| US Magnesium | US Magnesium | Rowley, UT | PacifiCorp East (PACE) | 82.3 MWh | Dec 1971 | Sep 2024 | Natural Gas |
| Hurricane City Power | Hurricane City Power | Hurricane, UT | PacifiCorp East (PACE) | 7.4 GWh | Nov 1999 | Dec 2024 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| 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 |
| Salt Palace Solar Gen Plant | Wasatch View Solar LLC | Salt Lake City, UT | PacifiCorp East (PACE) | 1.2 GWh | Apr 2012 | Dec 2024 | Solar |
| Genesis Alkali | Genesis Alkali, LLC | Green River, WY | PacifiCorp East (PACE) | 259.5 GWh | May 1953 | Dec 2024 | Subbituminous Coal : 68.7% Natural Gas : 31.3% |
| Meadow Creek Project Company | Ridgeline Energy LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 325.0 GWh | Nov 2012 | Dec 2024 | Wind |
| Central Energy Plant USU | Utah State University | Logan, UT | PacifiCorp East (PACE) | 20.7 GWh | Jul 2004 | Nov 2025 | Natural Gas |
| Granite Mountain Solar East, LLC | Clearway Renewable Operation & Maintenance LLC | Cedar City, UT | PacifiCorp East (PACE) | 203.7 GWh | Aug 2016 | Nov 2025 | Solar |
| Enterprise Solar, LLC | Clearway Renewable Operation & Maintenance LLC | Newcastle, UT | PacifiCorp East (PACE) | 220.1 GWh | Jun 2016 | Nov 2025 | Solar |
| Latigo Wind Park | AES Distributed Energy | Monticello, UT | PacifiCorp East (PACE) | 146.6 GWh | Feb 2016 | Nov 2025 | Wind |
| Milford 2 | SunE DB24 LLC | Milford, UT | PacifiCorp East (PACE) | 7.0 GWh | Nov 2015 | Dec 2024 | Solar |
| BYUI Central Energy Facility | Brigham Young Univ Idaho | Rexburg, ID | PacifiCorp East (PACE) | 39.8 GWh | Jul 2015 | Nov 2025 | Natural Gas |
| South Milford Solar Plant | REUT Origination, LLC | Milford, UT | PacifiCorp East (PACE) | 7.4 GWh | Feb 2015 | Dec 2024 | Solar |
| Escalante Solar III, LLC | Clearway Renewable Operation & Maintenance LLC | Milford, UT | PacifiCorp East (PACE) | 209.5 GWh | Jul 2016 | Nov 2025 | Solar |
| Escalante Solar II, LLC | Clearway Renewable Operation & Maintenance LLC | Milford, UT | PacifiCorp East (PACE) | 212.1 GWh | Jul 2016 | Nov 2025 | Solar |
| Fiddler's Canyon #1 | SunE Solar XVII Project 1, LLC | Cedar City, UT | PacifiCorp East (PACE) | 7.3 GWh | Aug 2015 | Dec 2024 | Solar |
| Fiddler's Canyon #2 | SunE Solar XVII Project 2, LLC | Cedar City, UT | PacifiCorp East (PACE) | 7.4 GWh | Aug 2015 | Dec 2024 | Solar |
| Pryor Mountain Wind | PacifiCorp | Bridger, MT | PacifiCorp East (PACE) | 732.3 GWh | Mar 2021 | Nov 2025 | Wind |
| Granite Mountain Solar West, LLC | Clearway Renewable Operation & Maintenance LLC | Cedar City, UT | PacifiCorp East (PACE) | 125.5 GWh | Aug 2016 | Nov 2025 | Solar |
| Pavant Solar, LLC | Onward Energy | Fillmore, UT | PacifiCorp East (PACE) | 114.5 GWh | Nov 2015 | Nov 2025 | Solar |
| Escalante Solar I, LLC | Clearway Renewable Operation & Maintenance LLC | Milford, UT | PacifiCorp East (PACE) | 211.6 GWh | Jul 2016 | Nov 2025 | Solar |
| Iron Springs Solar, LLC | Clearway Renewable Operation & Maintenance LLC | Cedar City, UT | PacifiCorp East (PACE) | 214.2 GWh | Jul 2016 | Nov 2025 | Solar |
| Washington City Electric Generation | City of Washington - (UT) | Washington, UT | PacifiCorp East (PACE) | 5.7 GWh | Apr 2007 | Dec 2024 | Natural Gas |
| Fiddler's Canyon 3 | SunE Solar XVII Project 3, LLC | Cedar City, UT | PacifiCorp East (PACE) | 7.5 GWh | Nov 2015 | Dec 2024 | Solar |
| Pavant Solar III | Invenergy Services LLC | Filmore, UT | PacifiCorp East (PACE) | 43.6 GWh | Nov 2016 | Dec 2024 | Solar |
| Sweetwater Solar | Onward Energy | Green River, WY | PacifiCorp East (PACE) | 173.5 GWh | Nov 2018 | Nov 2025 | Solar |
| Provo Power Plant | Utah Municipal Power Agency | Provo, UT | PacifiCorp East (PACE) | 4.9 GWh | Dec 2017 | Dec 2024 | Natural Gas |
| Quichapa 3 | Quichapa 3 LLC | Cedar City, UT | PacifiCorp East (PACE) | 7.0 GWh | Nov 2016 | Dec 2024 | Solar |
| Quichapa 2 | Quichapa 2 LLC | Cedar City, UT | PacifiCorp East (PACE) | 5.8 GWh | Nov 2016 | Dec 2024 | Solar |
| Quichapa 1 | Quichapa 1 LLC | Cedar City, UT | PacifiCorp East (PACE) | 6.6 GWh | Nov 2016 | Dec 2024 | Solar |
| Jordanelle Dam Hydroelectric Project | Central Utah Water Conservancy District | Heber, UT | PacifiCorp East (PACE) | 51.0 GWh | Jun 2008 | Dec 2024 | Water |
| Cove Mountain Solar | Cove Mountain Solar LLC | Beryl, UT | PacifiCorp East (PACE) | 159.3 GWh | Oct 2020 | Nov 2025 | Solar |
Summary of Power Plants By State
Figures are based on November 2025 generation numbers.| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,511.20 GWh |
| Alaska | # 48 | 144 | 528.08 GWh |
| Arizona | # 13 | 184 | 8,245.57 GWh |
| Arkansas | # 24 | 116 | 5,216.59 GWh |
| California | # 4 | 1,736 | 15,288.71 GWh |
| Colorado | # 29 | 302 | 4,252.83 GWh |
| Connecticut | # 34 | 166 | 3,697.17 GWh |
| Delaware | # 49 | 33 | 425.33 GWh |
| District of Columbia | # 51 | 16 | 14.43 GWh |
| Florida | # 2 | 323 | 18,667.27 GWh |
| Georgia | # 8 | 262 | 11,183.00 GWh |
| Hawaii | # 47 | 73 | 801.36 GWh |
| Idaho | # 43 | 146 | 1,663.41 GWh |
| Illinois | # 5 | 384 | 14,942.91 GWh |
| Indiana | # 15 | 211 | 7,722.21 GWh |
| Iowa | # 19 | 293 | 6,283.14 GWh |
| Kansas | # 32 | 187 | 4,136.03 GWh |
| Kentucky | # 21 | 60 | 5,370.35 GWh |
| Louisiana | # 12 | 86 | 8,259.66 GWh |
| Maine | # 45 | 216 | 1,300.62 GWh |
| Maryland | # 40 | 203 | 2,568.19 GWh |
| Massachusetts | # 41 | 648 | 1,975.71 GWh |
| Michigan | # 9 | 273 | 10,785.64 GWh |
| Minnesota | # 28 | 765 | 4,723.22 GWh |
| Mississippi | # 23 | 57 | 5,274.88 GWh |
| Missouri | # 22 | 128 | 5,368.91 GWh |
| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Montana | # 39 | 71 | 2,609.34 GWh |
| Nebraska | # 35 | 129 | 3,447.15 GWh |
| Nevada | # 38 | 114 | 3,066.88 GWh |
| New Hampshire | # 44 | 60 | 1,466.90 GWh |
| New Jersey | # 27 | 393 | 4,952.95 GWh |
| New Mexico | # 36 | 144 | 3,313.38 GWh |
| New York | # 10 | 956 | 10,414.21 GWh |
| North Carolina | # 11 | 909 | 9,927.17 GWh |
| North Dakota | # 33 | 61 | 3,714.56 GWh |
| Ohio | # 6 | 198 | 11,688.48 GWh |
| Oklahoma | # 18 | 143 | 6,525.64 GWh |
| Oregon | # 20 | 275 | 5,407.05 GWh |
| Pennsylvania | # 3 | 256 | 17,277.29 GWh |
| Rhode Island | # 46 | 100 | 833.56 GWh |
| South Carolina | # 16 | 208 | 7,560.03 GWh |
| South Dakota | # 42 | 52 | 1,785.37 GWh |
| Tennessee | # 26 | 88 | 5,030.87 GWh |
| Texas | # 1 | 955 | 43,514.30 GWh |
| Utah | # 37 | 125 | 3,174.08 GWh |
| Vermont | # 50 | 117 | 164.43 GWh |
| Virginia | # 17 | 239 | 7,087.47 GWh |
| Washington | # 14 | 137 | 7,966.23 GWh |
| West Virginia | # 31 | 39 | 4,211.99 GWh |
| Wisconsin | # 25 | 250 | 5,195.24 GWh |
| Wyoming | # 30 | 71 | 4,237.64 GWh |