Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 436.4 GWh | Jun 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 |
| 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 |
| Dave Gates Generating Station | NorthWestern Energy (MT wind/thermal) | Anaconda, MT | NorthWestern Corporation (NWMT) | 551.8 GWh | Dec 2010 | Sep 2025 | Natural Gas |
| 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) | 9.4 TWh | Oct 1975 | Sep 2025 | Subbituminous Coal : 99.9% |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 76.2 GWh | Aug 1906 | 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 |
| Flint Creek Hydroelectric LLC | Hydrodynamics Inc | Philipsburg, MT | NorthWestern Corporation (NWMT) | 11.0 GWh | Feb 2013 | Dec 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 |
| 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 |
| Turnbull Hydro | Turnbull Hydro LLC | Fairfield, MT | NorthWestern Corporation (NWMT) | 19.2 GWh | May 2011 | Aug 2024 | Water |
| South Peak Wind | ALLETE Clean Energy | Geyser, MT | NorthWestern Corporation (NWMT) | 240.9 GWh | Mar 2020 | Sep 2025 | Wind |
| Greenfield Wind - MT | Greenbacker Renewable Energy Corporation | Fairfield, MT | NorthWestern Corporation (NWMT) | 82.1 GWh | Sep 2016 | Dec 2024 | Wind |
| Great Divide Solar, LLC | Adapture Renewables, Inc. | Canyon Creek, MT | NorthWestern Corporation (NWMT) | 5.9 GWh | Aug 2017 | Sep 2025 | Solar |
| Stillwater Wind, LLC | Pattern Operators LP | Reed Point, MT | NorthWestern Corporation (NWMT) | 256.1 GWh | Sep 2018 | Sep 2025 | Wind |
| Black Eagle Solar, LLC | Adapture Renewables, Inc. | Black Eagle, MT | NorthWestern Corporation (NWMT) | 5.1 GWh | Aug 2017 | Sep 2025 | Solar |
| Green Meadow Solar, LLC | Adapture Renewables, Inc. | Helena, MT | NorthWestern Corporation (NWMT) | 5.6 GWh | Mar 2017 | Sep 2025 | Solar |
| River Bend Solar, LLC (MT) | Adapture Renewables, Inc. | Reed Point, MT | NorthWestern Corporation (NWMT) | 3.2 GWh | Mar 2017 | Sep 2025 | Solar |
| South Mills Solar, LLC | Adapture Renewables, Inc. | Hardin, MT | NorthWestern Corporation (NWMT) | 5.1 GWh | Mar 2017 | Sep 2025 | Solar |
| Magpie Solar, LLC | Adapture Renewables, Inc. | Lavina, MT | NorthWestern Corporation (NWMT) | 5.2 GWh | Aug 2017 | Sep 2025 | Solar |
| Big Timber Wind Farm | Consolidated Edison Development Inc. | Big Timber, MT | NorthWestern Corporation (NWMT) | 66.0 GWh | Jan 2018 | Sep 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% |
| TB Flats | PacifiCorp | Medicine Bow, WY | PacifiCorp East (PACE) | 1.3 TWh | Sep 2021 | Sep 2025 | Wind |
| Sage Solar I-III | CI III VK I TE Partnership LLC | Randolph, UT | PacifiCorp East (PACE) | 139.1 GWh | Aug 2019 | Sep 2025 | Solar |
| Hunter Solar LLC (UT) | Hunter Solar LLC | Clawson, UT | PacifiCorp East (PACE) | 265.5 GWh | Feb 2021 | Sep 2025 | Solar |
| Sigurd Solar LLC | Sigurd Solar LLC | Sigurd, UT | PacifiCorp East (PACE) | 199.2 GWh | Apr 2021 | Sep 2025 | Solar |
| Cove Mountain Solar | Cove Mountain Solar LLC | Beryl, UT | PacifiCorp East (PACE) | 159.1 GWh | Oct 2020 | Sep 2025 | Solar |
| Cove Mountain Solar 2 | Cove Mountain Solar 2 LLC | Beryl, UT | PacifiCorp East (PACE) | 320.3 GWh | Sep 2020 | Sep 2025 | Solar |
| Ekola Flats | PacifiCorp | Hanna, WY | PacifiCorp East (PACE) | 696.9 GWh | Nov 2020 | Sep 2025 | Wind |
| Clover Creek Solar Community Solar | AES Distributed Energy | Mona, UT | PacifiCorp East (PACE) | 198.8 GWh | Nov 2021 | Sep 2025 | Solar |
| Milford Solar 1 | Milford Solar 1, LLC | Milford, UT | PacifiCorp East (PACE) | 261.9 GWh | Oct 2020 | Sep 2025 | Solar |
| Bloomington Solar I | Adapture Renewables, Inc. | St George, UT | PacifiCorp East (PACE) | 667.0 MWh | Nov 2018 | Dec 2024 | Solar |
| BYU Central Heating Plant | Brigham Young University (BYU) | Provo, UT | PacifiCorp East (PACE) | 115.6 GWh | Jan 2019 | Dec 2024 | Natural Gas |
| Escalante Solar II, LLC | Clearway Renewable Operation & Maintenance LLC | Milford, UT | PacifiCorp East (PACE) | 211.7 GWh | Jul 2016 | Sep 2025 | Solar |
| Buckhorn Solar Plant | Evergreen Wind, LLC | Paragonah, UT | PacifiCorp East (PACE) | 5.9 GWh | Nov 2015 | Dec 2024 | Solar |
| Escalante Solar I, LLC | Clearway Renewable Operation & Maintenance LLC | Milford, UT | PacifiCorp East (PACE) | 211.1 GWh | Jul 2016 | Sep 2025 | Solar |
| HTW Plant 303 COGEN | The University of Utah | Salt Lake City, UT | PacifiCorp East (PACE) | 47.3 GWh | Jul 2008 | Sep 2025 | Natural Gas |
| Escalante Solar III, LLC | Clearway Renewable Operation & Maintenance LLC | Milford, UT | PacifiCorp East (PACE) | 210.0 GWh | Jul 2016 | Sep 2025 | Solar |
| Enterprise Solar, LLC | Clearway Renewable Operation & Maintenance LLC | Newcastle, UT | PacifiCorp East (PACE) | 220.1 GWh | Jun 2016 | Sep 2025 | Solar |
| Cove Fort | Ormat Cove Fort LLC | Cove Fort, UT | PacifiCorp East (PACE) | 120.8 GWh | Nov 2013 | Dec 2024 | Geothermal |
| Granite Peak Solar Plant | Evergreen Wind, LLC | Milford, UT | PacifiCorp East (PACE) | 6.2 GWh | Jul 2015 | Dec 2024 | Solar |
| 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 |
| Greenville Solar Plant | Evergreen Wind, LLC | Milford, UT | PacifiCorp East (PACE) | 4.4 GWh | Sep 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 |
| 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 |
| Salt Palace Solar Gen Plant | Wasatch View Solar LLC | Salt Lake City, UT | PacifiCorp East (PACE) | 1.2 GWh | Apr 2012 | Dec 2024 | Solar |
| Meadow Creek Project Company | Ridgeline Energy LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 325.0 GWh | Nov 2012 | Dec 2024 | Wind |
| US Magnesium | US Magnesium | Rowley, UT | PacifiCorp East (PACE) | 82.3 MWh | Dec 1971 | Sep 2024 | Natural Gas |
| 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 |
| Central Energy Plant USU | Utah State University | Logan, UT | PacifiCorp East (PACE) | 20.8 GWh | Jul 2004 | Sep 2025 | Natural 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 |
| 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% |
| 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% |
| Blue Mountain Biogas | Blue Mountain Biogas LLC | Milford, UT | PacifiCorp East (PACE) | 12.0 MWh | Sep 2012 | Dec 2023 | Other Biomass Gas |
| Quichapa 2 | Quichapa 2 LLC | Cedar City, UT | PacifiCorp East (PACE) | 5.8 GWh | Nov 2016 | Dec 2024 | Solar |
| Sweetwater Solar | Onward Energy | Green River, WY | PacifiCorp East (PACE) | 173.3 GWh | Nov 2018 | Sep 2025 | Solar |
| Provo Power Plant | Utah Municipal Power Agency | Provo, UT | PacifiCorp East (PACE) | 4.9 GWh | Dec 2017 | Dec 2024 | Natural Gas |
| Jordanelle Dam Hydroelectric Project | Central Utah Water Conservancy District | Heber, UT | PacifiCorp East (PACE) | 51.0 GWh | Jun 2008 | Dec 2024 | Water |
| Quichapa 3 | Quichapa 3 LLC | Cedar City, UT | PacifiCorp East (PACE) | 7.0 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 |
| Milford 2 | SunE DB24 LLC | Milford, UT | PacifiCorp East (PACE) | 7.0 GWh | Nov 2015 | Dec 2024 | Solar |
| Washington City Electric Generation | City of Washington - (UT) | Washington, UT | PacifiCorp East (PACE) | 5.7 GWh | Apr 2007 | Dec 2024 | Natural Gas |
| Latigo Wind Park | AES Distributed Energy | Monticello, UT | PacifiCorp East (PACE) | 150.3 GWh | Feb 2016 | Sep 2025 | Wind |
| South Milford Solar Plant | REUT Origination, LLC | Milford, UT | PacifiCorp East (PACE) | 7.4 GWh | Feb 2015 | Dec 2024 | Solar |
| Granite Mountain Solar East, LLC | Clearway Renewable Operation & Maintenance LLC | Cedar City, UT | PacifiCorp East (PACE) | 203.1 GWh | Aug 2016 | Sep 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 |
| Granite Mountain Solar West, LLC | Clearway Renewable Operation & Maintenance LLC | Cedar City, UT | PacifiCorp East (PACE) | 125.1 GWh | Aug 2016 | Sep 2025 | Solar |
| Fiddler's Canyon 3 | SunE Solar XVII Project 3, LLC | Cedar City, UT | PacifiCorp East (PACE) | 7.5 GWh | Nov 2015 | Dec 2024 | Solar |
| BYUI Central Energy Facility | Brigham Young Univ Idaho | Rexburg, ID | PacifiCorp East (PACE) | 39.9 GWh | Jul 2015 | Sep 2025 | Natural Gas |
| Iron Springs Solar, LLC | Clearway Renewable Operation & Maintenance LLC | Cedar City, UT | PacifiCorp East (PACE) | 213.7 GWh | Jul 2016 | Sep 2025 | Solar |
| Pavant Solar, LLC | Onward Energy | Fillmore, UT | PacifiCorp East (PACE) | 113.9 GWh | Nov 2015 | Sep 2025 | 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) | 752.5 GWh | Mar 2021 | Sep 2025 | Wind |
| Hill AFB LFG Facility, Bldg #737 | Ameresco Federal Solutions | Hill AFB, UT | PacifiCorp East (PACE) | 8.2 GWh | Dec 2004 | Dec 2024 | Landfill Gas |
| Pavant Solar II LLC | Pavant Solar II LLC | Fillmore, UT | PacifiCorp East (PACE) | 80.3 GWh | Oct 2016 | Dec 2024 | Solar |
| Three Peaks Power | Onward Energy | Cedar City, UT | PacifiCorp East (PACE) | 225.8 GWh | Nov 2016 | Sep 2025 | Solar |
| Pavant Solar III | Invenergy Services LLC | Filmore, UT | PacifiCorp East (PACE) | 43.6 GWh | Nov 2016 | Dec 2024 | Solar |
| Veyo Heat Recovery Project | Utah Associated Mun Power Sys | Gunlock, UT | PacifiCorp East (PACE) | 39.0 GWh | Apr 2016 | Dec 2024 | Waste Heat |
| Pioneer Wind Park, LLC | AES Distributed Energy | Glenrock, WY | PacifiCorp East (PACE) | 273.0 GWh | Sep 2016 | Dec 2024 | Wind |
| Red Mesa Solar Project | NTUA Generation - Utah, LLC | Red Mesa, UT | PacifiCorp East (PACE) | 191.2 GWh | Mar 2023 | Sep 2025 | Solar |
| Boswell Wind | Boswell Wind, LLC | Rock River, WY | PacifiCorp East (PACE) | 873.9 GWh | Nov 2024 | Sep 2025 | Wind |
| Gunnison Solar | Greenbacker Renewable Energy Corporation | Gunnison, UT | PacifiCorp East (PACE) | 3.7 GWh | Aug 2022 | Dec 2024 | Solar |
| Appaloosa Solar I | Greenbacker Renewable Energy Corporation | Cedar City, UT | PacifiCorp East (PACE) | 162.4 GWh | Dec 2023 | Sep 2025 | Solar |
| Solomon Generating Facility | Deseret Generation & Tran Coop | St. George, UT | PacifiCorp East (PACE) | 20.5 GWh | Jun 2022 | Dec 2024 | Natural Gas |
| Cedar Creek Wind, LLC | Cedar Creek Wind, LLC | Shelley, ID | PacifiCorp East (PACE) | 431.1 GWh | Feb 2024 | Sep 2025 | Wind |
| Elektron Solar, LLC | Elektron Solar, LLC | Grantsville, UT | PacifiCorp East (PACE) | 212.3 GWh | Apr 2024 | Sep 2025 | Solar |
| Castle Solar, LLC | Castle Solar, LLC | Huntington, UT | PacifiCorp East (PACE) | 108.1 GWh | Mar 2024 | Sep 2025 | Solar |
| Cedar Springs I | Cedar Springs Wind, LLC | Douglas, WY | PacifiCorp East (PACE) | 692.7 GWh | Nov 2020 | Sep 2025 | Wind |
| Rocket Solar, LLC | Rocket Solar, LLC | Corinne, UT | PacifiCorp East (PACE) | 209.8 GWh | Jan 2024 | Sep 2025 | Solar |
| Cedar Springs II | PacifiCorp | Douglas, WY | PacifiCorp East (PACE) | 611.5 GWh | Nov 2020 | Sep 2025 | Wind |
| Cedar Springs III | Cedar Springs Wind III, LLC | Douglas, WY | PacifiCorp East (PACE) | 483.8 GWh | Nov 2020 | Sep 2025 | Wind |
| Graphite Solar I | Greenbacker Renewable Energy Corporation | Wellington, UT | PacifiCorp East (PACE) | 194.6 GWh | May 2022 | Sep 2025 | Solar |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |