Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Mountain Wind Power LLC | Mountain Wind Power LLC | Fort Bridger, WY | PacifiCorp East (PACE) | 151.4 GWh | Jun 2008 | Dec 2025 | Wind |
| Spanish Fork Wind Park 2 LLC | Spanish Fork Wind Park 2, LLC | Spanish Fork, UT | PacifiCorp East (PACE) | 42.2 GWh | Jun 2008 | Dec 2025 | Wind |
| Top of the World Windpower Project | Duke Energy Renewables Services | Glenrock, WY | PacifiCorp East (PACE) | 495.8 GWh | Sep 2010 | Dec 2025 | Wind |
| Salt Lake Energy Systems | NextEra Renewable Fuels, LLC | Salt Lake City, UT | PacifiCorp East (PACE) | 24.3 GWh | May 2006 | Dec 2024 | Landfill Gas |
| 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 |
| Thermo No 1 | Thermo No 1 BE 01 LLC | Milford, UT | PacifiCorp East (PACE) | 57.7 GWh | Mar 2013 | Dec 2024 | Geothermal |
| Kettle Butte Digester, LLC | Kettle Butte Digester, LLC | Roberts, ID | PacifiCorp East (PACE) | 9.2 GWh | Apr 2011 | Dec 2024 | Other Biomass Gas |
| Goshen Phase II | AE Power Services LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 369.2 GWh | Aug 2010 | Dec 2024 | Wind |
| Foote Creek III | PacifiCorp | McFadden, WY | PacifiCorp East (PACE) | 14.6 GWh | May 1999 | Dec 2023 | Wind |
| West Valley Generation Project | Utah Municipal Power Agency | West Valley City, UT | PacifiCorp East (PACE) | 396.5 GWh | Sep 2001 | Dec 2025 | Natural Gas |
| Tesoro SLC Cogeneration Plant | Tesoro Refng Marketing Co Mntn Region | Salt Lake City, UT | PacifiCorp East (PACE) | 198.7 GWh | Jun 2004 | Dec 2025 | Natural Gas : 98.9% Other Gas : 1.1% |
| Shute Creek Facility | Exxon Mobil Production Co | Kemmerer, WY | PacifiCorp East (PACE) | 870.9 GWh | Apr 2005 | Dec 2025 | Natural Gas : 59.0% Other Gas : 41.0% |
| TransAlta Wyoming Wind | TransAlta Wyoming Wind LLC | Evanston, WY | PacifiCorp East (PACE) | 318.8 GWh | Nov 2003 | Dec 2024 | Wind |
| Millcreek Power Generation | City of St George | St. George, UT | PacifiCorp East (PACE) | 148.9 GWh | Mar 2006 | Nov 2024 | Natural Gas |
| Foote Creek I | PacifiCorp | McFadden, WY | PacifiCorp East (PACE) | 215.5 GWh | Mar 1999 | Dec 2023 | Wind |
| Currant Creek | PacifiCorp | Mona, UT | PacifiCorp East (PACE) | 2.8 TWh | May 2005 | Dec 2025 | Natural Gas |
| Kennecott Power Plant | Kennecott Utah Copper | Magna, UT | PacifiCorp East (PACE) | 152.3 GWh | Dec 1942 | Dec 2025 | Waste Heat : 77.5% Natural Gas : 22.5% |
| Lake Side Power Plant | PacifiCorp | Vineyard, UT | PacifiCorp East (PACE) | 6.0 TWh | Aug 2007 | Dec 2025 | Natural Gas |
| Foote Creek IV | PacifiCorp | Rock River, WY | PacifiCorp East (PACE) | 11.6 GWh | Jul 2000 | Dec 2023 | Wind |
| Wolverine Creek | Invenergy Services LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 163.5 GWh | Jan 2006 | Dec 2024 | Wind |
| Nebo Power Station | Utah Associated Mun Power Sys | Payson, UT | PacifiCorp East (PACE) | 768.5 GWh | May 2004 | Dec 2025 | Natural Gas |
| General Chemical | Tata Chemicals Partners | Green River, WY | PacifiCorp East (PACE) | 215.3 GWh | Apr 1968 | Dec 2025 | Bituminous Coal : 75.8% Natural Gas : 24.2% |
| Quail Creek Hydro Plant #1 | Washington Cnty Wtr Consv Dist | Hurricane, UT | PacifiCorp East (PACE) | 8.7 GWh | May 1985 | Dec 2025 | Water |
| Dry Creek Project | Dry Creek LLC | Howe, ID | PacifiCorp East (PACE) | 10.1 GWh | Nov 1987 | Dec 2024 | Water |
| Elk Basin Gasoline Plant | Contango Oil and Gas | Powell, WY | PacifiCorp East (PACE) | 6.7 GWh | Dec 1947 | Dec 2024 | Other Gas |
| Sunnyside Cogen Associates | Sunnyside Cogeneration Assoc | Sunnyside, UT | PacifiCorp East (PACE) | 324.4 GWh | Jan 1993 | Aug 2025 | Waste/Other Coal : 99.3% Distillate Fuel Oil : 0.7% |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Apr 2024 | Water |
| Sinclair Oil Refinery | HF Sinclair Parco Refining LLC | Sinclair, WY | PacifiCorp East (PACE) | 4.3 GWh | Dec 1924 | Dec 2025 | Natural Gas |
| Simplot Phosphates | Simplot Phosphates LLC | Rock Springs, WY | PacifiCorp East (PACE) | 99.2 GWh | Jul 1986 | Dec 2025 | Other Fuel : 86.0% Natural Gas : 14.0% |
| 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) | 458.4 GWh | May 1995 | Dec 2025 | Petroleum Coke : 99.2% Other Gas : 0.6% |
| 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% |
| 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 |
| Black Eagle | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 127.5 GWh | Aug 1927 | Dec 2024 | Water |
| Cochrane | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 228.0 GWh | Jun 1958 | Dec 2024 | Water |
| 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 |
| Selis Ksanka Qlispe | Energy Keepers Inc | Polson, MT | NorthWestern Corporation (NWMT) | 970.3 GWh | Sep 1938 | Dec 2024 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 255.0 GWh | Dec 1929 | Dec 2024 | Water |
| Mystic | NorthWestern Energy (MT Hydro) | Fishtail, MT | NorthWestern Corporation (NWMT) | 53.7 GWh | Apr 1925 | Dec 2024 | Water |
| Rainbow (MT) | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 329.0 GWh | Feb 2013 | 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 |
| Lake (WY) | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 515.0 MWh | Aug 1967 | Dec 2024 | Distillate Fuel Oil |
| Colstrip | Talen Montana LLC | Colstrip, MT | NorthWestern Corporation (NWMT) | 9.2 TWh | Oct 1975 | Dec 2025 | Subbituminous Coal : 99.9% |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 76.2 GWh | Aug 1906 | 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) | 169.4 GWh | May 2006 | Dec 2025 | Natural Gas |
| Judith Gap Wind Energy Center | Invenergy Services LLC | Harlowton, MT | NorthWestern Corporation (NWMT) | 412.3 GWh | Nov 2005 | Dec 2025 | Wind |
| Dave Gates Generating Station | NorthWestern Energy (MT wind/thermal) | Anaconda, MT | NorthWestern Corporation (NWMT) | 502.7 GWh | Dec 2010 | Dec 2025 | Natural Gas |
| Horseshoe Bend Wind Park | Cycle Holdings, LLC | Great Falls, MT | NorthWestern Corporation (NWMT) | 108.0 MWh | Jan 2006 | Dec 2024 | Wind |
| Black Eagle Solar, LLC | Adapture Renewables, Inc. | Black Eagle, MT | NorthWestern Corporation (NWMT) | 4.9 GWh | Aug 2017 | Dec 2025 | Solar |
| Green Meadow Solar, LLC | Adapture Renewables, Inc. | Helena, MT | NorthWestern Corporation (NWMT) | 5.5 GWh | Mar 2017 | Dec 2025 | Solar |
| South Mills Solar, LLC | Adapture Renewables, Inc. | Hardin, MT | NorthWestern Corporation (NWMT) | 4.9 GWh | Mar 2017 | Dec 2025 | Solar |
| River Bend Solar, LLC (MT) | Adapture Renewables, Inc. | Reed Point, MT | NorthWestern Corporation (NWMT) | 3.1 GWh | Mar 2017 | Dec 2025 | Solar |
| Great Divide Solar, LLC | Adapture Renewables, Inc. | Canyon Creek, MT | NorthWestern Corporation (NWMT) | 5.8 GWh | Aug 2017 | Dec 2025 | Solar |
| Magpie Solar, LLC | Adapture Renewables, Inc. | Lavina, MT | NorthWestern Corporation (NWMT) | 4.9 GWh | Aug 2017 | Dec 2025 | Solar |
| Big Timber Wind Farm | Consolidated Edison Development Inc. | Big Timber, MT | NorthWestern Corporation (NWMT) | 65.9 GWh | Jan 2018 | Dec 2025 | Wind |
| Greenfield Wind - MT | Greenbacker Renewable Energy Corporation | Fairfield, MT | NorthWestern Corporation (NWMT) | 82.1 GWh | Sep 2016 | Dec 2024 | Wind |
| Stillwater Wind, LLC | Pattern Operators LP | Reed Point, MT | NorthWestern Corporation (NWMT) | 252.7 GWh | Sep 2018 | Dec 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% |
| 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 |
| 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 |
| Flint Creek Hydroelectric LLC | Hydrodynamics Inc | Philipsburg, MT | NorthWestern Corporation (NWMT) | 11.0 GWh | Feb 2013 | Dec 2024 | Water |
| 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 |
| South Peak Wind | ALLETE Clean Energy | Geyser, MT | NorthWestern Corporation (NWMT) | 243.6 GWh | Mar 2020 | Dec 2025 | Wind |
| Beaver Creek Wind Facility | Puget Sound Energy Inc | Big Timber, MT | NorthWestern Corporation (NWMT) | 161.3 GWh | - | Dec 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) | 383.4 GWh | Jun 2024 | Dec 2025 | Natural Gas |
| MTSUN | Greenbacker Renewable Energy Corporation | Billings, MT | NorthWestern Corporation (NWMT) | 149.0 GWh | Dec 2022 | Dec 2025 | Solar |
| Clearwater Wind II | Clearwater Wind II, LLC | Miles City, MT | NorthWestern Corporation (NWMT) | 400.7 GWh | Nov 2023 | Dec 2025 | Wind |
| Clearwater Wind East | Clearwater Wind East, LLC | Miles City, MT | NorthWestern Corporation (NWMT) | 830.4 GWh | Dec 2023 | Dec 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 |
| Apex Solar | Apex Solar LLC | Dillon, MT | NorthWestern Corporation (NWMT) | 164.7 GWh | Jul 2023 | Dec 2025 | 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 |
| 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 |
| Bright Field Solar LLC(CSG) | Nautilus Solar Solutions | Burns, NY | New York Independent System Operator (NYIS) | 5.7 GWh | Nov 2021 | Dec 2024 | Solar |
| Tioga Solar North(CSG) | 237 State Route 96 Site 1, LLC | Owego, NY | New York Independent System Operator (NYIS) | 6.1 GWh | Oct 2021 | Dec 2024 | Solar |
| Coxsackie Solar | FPS Coxsackie Solar LLC | Coxsackie, NY | New York Independent System Operator (NYIS) | 8.5 GWh | Sep 2022 | 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 |
| Bloom-Altice Fuel Cell | AEP Onsite Partners, LLC | Bethpage,, NY | New York Independent System Operator (NYIS) | 15.6 GWh | Sep 2020 | Dec 2024 | Natural Gas |
| County of Dutchess, NY (Airport) | Tesla Inc. | Wappinger Falls, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Dec 2019 | 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 |
| Mt Pleasant Community Center | Consolidated Edison Solutions Inc. | Valhalla, NY | New York Independent System Operator (NYIS) | 718.0 MWh | Oct 2022 | Dec 2024 | Solar |
| Troupsburg | Solar Planet Power | Troupsburg, NY | New York Independent System Operator (NYIS) | 7.2 GWh | Nov 2020 | 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 |
| Hamlin Solar 1, LLC | Nautilus Solar Solutions | Hamlin, NY | New York Independent System Operator (NYIS) | 9.3 GWh | Nov 2020 | 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 |
| 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 |
| Minisink CSG | Minisink Solar LLC | Westtown, NY | New York Independent System Operator (NYIS) | 3.6 GWh | Jun 2021 | 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 |
| 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 |
| Rosemond Solar Community Solar | Scale Sustainable I, LLC | Fallsburg, NY | New York Independent System Operator (NYIS) | 3.6 GWh | Dec 2020 | 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 |
| Freehold(CSG) | Freehold Solar, LLC | Freehold, NY | New York Independent System Operator (NYIS) | 3.5 GWh | Oct 2021 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on December 2025 generation numbers.| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,766.12 GWh |
| Alaska | # 48 | 139 | 625.46 GWh |
| Arizona | # 16 | 183 | 8,962.31 GWh |
| Arkansas | # 29 | 114 | 5,525.50 GWh |
| California | # 5 | 1,683 | 14,393.99 GWh |
| Colorado | # 31 | 297 | 4,649.38 GWh |
| Connecticut | # 34 | 162 | 4,087.83 GWh |
| Delaware | # 49 | 33 | 469.96 GWh |
| District of Columbia | # 51 | 16 | 14.80 GWh |
| Florida | # 3 | 333 | 19,379.32 GWh |
| Georgia | # 8 | 248 | 12,492.24 GWh |
| Hawaii | # 46 | 70 | 814.97 GWh |
| Idaho | # 41 | 146 | 2,123.12 GWh |
| Illinois | # 4 | 379 | 17,546.79 GWh |
| Indiana | # 13 | 214 | 9,789.95 GWh |
| Iowa | # 20 | 293 | 7,310.28 GWh |
| Kansas | # 28 | 183 | 5,586.75 GWh |
| Kentucky | # 22 | 60 | 6,716.43 GWh |
| Louisiana | # 17 | 84 | 8,587.03 GWh |
| Maine | # 45 | 215 | 1,484.81 GWh |
| Maryland | # 37 | 203 | 3,225.85 GWh |
| Massachusetts | # 43 | 640 | 2,073.13 GWh |
| Michigan | # 11 | 269 | 11,734.82 GWh |
| Minnesota | # 27 | 764 | 5,712.30 GWh |
| Mississippi | # 24 | 56 | 6,090.79 GWh |
| Missouri | # 23 | 125 | 6,623.76 GWh |
| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,639.28 GWh |
| Nebraska | # 36 | 125 | 3,667.32 GWh |
| Nevada | # 38 | 114 | 3,217.22 GWh |
| New Hampshire | # 44 | 56 | 1,878.83 GWh |
| New Jersey | # 30 | 387 | 5,182.27 GWh |
| New Mexico | # 35 | 142 | 3,818.41 GWh |
| New York | # 10 | 950 | 11,800.05 GWh |
| North Carolina | # 9 | 904 | 12,153.04 GWh |
| North Dakota | # 33 | 58 | 4,218.72 GWh |
| Ohio | # 6 | 198 | 13,425.53 GWh |
| Oklahoma | # 18 | 141 | 7,637.23 GWh |
| Oregon | # 21 | 272 | 6,788.64 GWh |
| Pennsylvania | # 2 | 252 | 22,539.49 GWh |
| Rhode Island | # 47 | 100 | 775.70 GWh |
| South Carolina | # 15 | 207 | 8,967.44 GWh |
| South Dakota | # 42 | 52 | 2,122.20 GWh |
| Tennessee | # 19 | 88 | 7,328.17 GWh |
| Texas | # 1 | 947 | 46,150.81 GWh |
| Utah | # 39 | 125 | 2,845.12 GWh |
| Vermont | # 50 | 116 | 189.85 GWh |
| Virginia | # 14 | 237 | 9,421.16 GWh |
| Washington | # 12 | 135 | 10,635.09 GWh |
| West Virginia | # 26 | 39 | 5,763.55 GWh |
| Wisconsin | # 25 | 243 | 5,804.32 GWh |
| Wyoming | # 32 | 70 | 4,436.68 GWh |