Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Granite | PacifiCorp | Salt lake City, UT | PacifiCorp East (PACE) | 4.2 GWh | Jul 1896 | Dec 2025 | Water |
| Gadsby | PacifiCorp | Salt Lake City, UT | PacifiCorp East (PACE) | 194.6 GWh | Aug 1951 | Aug 2026 | Natural Gas |
| Cutler Hydro | PacifiCorp | Collinston, UT | PacifiCorp East (PACE) | 41.2 GWh | Jun 1927 | Dec 2025 | Water |
| Upper Beaver | Beaver City Corporation | Beaver, UT | PacifiCorp East (PACE) | 8.1 GWh | Jul 1907 | Jun 2025 | Water |
| Felt | Fall River Rural Elec Coop Inc | Felt, ID | PacifiCorp East (PACE) | 24.2 GWh | Aug 1946 | Dec 2025 | Water |
| Wyodak | PacifiCorp | Gillette, WY | PacifiCorp East (PACE) | 2.0 TWh | Aug 1978 | Aug 2026 | Subbituminous Coal : 99.9% |
| Logan City | City of Logan - (UT) | Logan, UT | PacifiCorp East (PACE) | 2.0 GWh | Jun 2002 | Dec 2025 | Natural Gas |
| Echo Dam | City of Bountiful - (UT) | Echo, UT | PacifiCorp East (PACE) | 8.6 GWh | Feb 1987 | Oct 2025 | Water |
| Naughton | PacifiCorp | Kemmerer, WY | PacifiCorp East (PACE) | 2.0 TWh | Apr 1963 | Aug 2026 | Natural Gas : 65.6% Subbituminous Coal : 34.4% |
| Big Fork | PacifiCorp | Big Fork, MT | PacifiCorp East (PACE) | 24.6 GWh | Jun 1910 | Dec 2025 | Water |
| Little Cottonwood | City of Murray - (UT) | Sandy, UT | PacifiCorp East (PACE) | 8.6 GWh | Mar 1983 | Sep 2025 | Water |
| Bonanza | Deseret Generation & Tran Coop | Vernal, UT | PacifiCorp East (PACE) | 2.2 TWh | Apr 1986 | Aug 2026 | Bituminous Coal : 98.8% Solar : 1.2% |
| Lower No 1 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 41.6 GWh | Mar 1982 | Dec 2025 | Water |
| Whitehead | City of Springville - (UT) | Springville, UT | PacifiCorp East (PACE) | 11.4 GWh | Jul 1986 | Dec 2025 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Hydro II | City of Logan - (UT) | Logan, UT | PacifiCorp East (PACE) | 15.6 GWh | Feb 1986 | Dec 2025 | Water |
| Bloomington Power Plant | City of St George - (UT) | Bloomington, UT | PacifiCorp East (PACE) | 11.0 MWh | Feb 1999 | Dec 2024 | Distillate Fuel Oil |
| St George Red Rock | City of St George - (UT) | St George, UT | PacifiCorp East (PACE) | 12.0 MWh | Apr 1987 | Dec 2025 | Distillate Fuel Oil |
| Heber City | Heber Light & Power Company | Heber City, UT | PacifiCorp East (PACE) | 16.5 GWh | Nov 1990 | Dec 2025 | Natural Gas |
| Pine View Dam | City of Bountiful - (UT) | Ogden, UT | PacifiCorp East (PACE) | 3.4 GWh | May 1991 | Apr 2025 | Water |
| Causey | Weber Basin Water Conserv Dist | South Fork, UT | PacifiCorp East (PACE) | 3.9 GWh | Dec 1997 | Dec 2025 | Water |
| Payson | Payson City Corporation | Payson, UT | PacifiCorp East (PACE) | 6.0 MWh | May 1988 | Dec 2025 | Natural Gas : 83.0% Distillate Fuel Oil : 17.0% |
| Hunter | PacifiCorp | Castle Dale, UT | PacifiCorp East (PACE) | 6.5 TWh | May 1978 | Aug 2026 | Bituminous Coal : 99.8% |
| Dave Johnston | PacifiCorp | Glen Rock, WY | PacifiCorp East (PACE) | 2.7 TWh | Jan 1959 | Aug 2026 | Subbituminous Coal : 99.8% |
| Snowbird Power Plant | Snowbird Corporation | Snowbird, UT | PacifiCorp East (PACE) | 14.6 GWh | Nov 1986 | Dec 2025 | Natural Gas |
| Birch Creek Power | Birch Power Co | Terreton, ID | PacifiCorp East (PACE) | 10.4 GWh | Mar 1986 | Dec 2025 | Water |
| Mink Creek Hydro | Mink Creek Hydro Entity | Preston, ID | PacifiCorp East (PACE) | 8.7 GWh | Nov 1986 | Dec 2025 | Water |
| Murray Turbine | City of Murray - (UT) | Murray, UT | PacifiCorp East (PACE) | 220.0 MWh | May 2001 | Dec 2025 | Natural Gas |
| Jim Bridger | PacifiCorp | Point of Rocks, WY | PacifiCorp East (PACE) | 7.3 TWh | Oct 1974 | Aug 2026 | Subbituminous Coal : 57.7% Natural Gas : 42.2% |
| Huntington | PacifiCorp | Huntington, UT | PacifiCorp East (PACE) | 4.5 TWh | Jun 1974 | Aug 2026 | Bituminous Coal |
| Simplot Phosphates | Simplot Phosphates LLC | Rock Springs, WY | PacifiCorp East (PACE) | 101.6 GWh | Jul 1986 | Aug 2026 | Other Fuel : 91.9% Natural Gas : 8.1% |
| Dry Creek Project | Dry Creek LLC | Howe, ID | PacifiCorp East (PACE) | 7.8 GWh | Nov 1987 | Dec 2025 | Water |
| Sinclair Oil Refinery | HF Sinclair Parco Refining LLC | Sinclair, WY | PacifiCorp East (PACE) | 5.9 GWh | Dec 1924 | May 2026 | Natural 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% |
| Elk Basin Gasoline Plant | Contango Oil and Gas | Powell, WY | PacifiCorp East (PACE) | 6.3 GWh | Dec 1947 | Dec 2025 | Other Gas |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 3.5 GWh | Mar 1993 | Dec 2025 | Water |
| General Chemical | Tata Chemicals Partners | Green River, WY | PacifiCorp East (PACE) | 216.5 GWh | Apr 1968 | Aug 2026 | Bituminous Coal : 77.2% Natural Gas : 22.8% |
| Quail Creek Hydro Plant #1 | Washington Cnty Wtr Consv Dist | Hurricane, UT | PacifiCorp East (PACE) | 8.7 GWh | May 1985 | Aug 2026 | Water |
| Campbell Hill Windpower | Deriva Energy | Glenrock, WY | PacifiCorp East (PACE) | 265.8 GWh | Nov 2009 | Aug 2026 | Wind |
| Goshen Phase II | Clearlight Energy Holdings LP | Idaho Falls, ID | PacifiCorp East (PACE) | 337.1 GWh | Aug 2010 | Dec 2025 | Wind |
| High Plains | PacifiCorp | Rock River, WY | PacifiCorp East (PACE) | 341.2 GWh | Aug 2009 | Dec 2025 | Wind |
| McFadden Ridge | PacifiCorp | Rock River, WY | PacifiCorp East (PACE) | 104.8 GWh | Sep 2009 | Dec 2025 | Wind |
| Spanish Fork Wind Park 2 LLC | Spanish Fork Wind Park 2, LLC | Spanish Fork, UT | PacifiCorp East (PACE) | 42.6 GWh | Jun 2008 | Aug 2026 | Wind |
| Thermo No 1 | Thermo No 1 BE 01 LLC | Milford, UT | PacifiCorp East (PACE) | 56.3 GWh | Mar 2013 | Dec 2025 | Geothermal |
| Trans-Jordan Generating Station | Energy Developments, Inc d/b/a EDL | South Jordan, UT | PacifiCorp East (PACE) | 35.2 GWh | Feb 2009 | Dec 2025 | Landfill Gas |
| Seven Mile Hill | PacifiCorp | Hanna, WY | PacifiCorp East (PACE) | 458.3 GWh | Nov 2008 | Dec 2025 | Wind |
| Rolling Hills | PacifiCorp | Glenrock, WY | PacifiCorp East (PACE) | 295.1 GWh | Dec 2008 | Dec 2025 | Wind |
| Glenrock | PacifiCorp | Glenrock, WY | PacifiCorp East (PACE) | 469.2 GWh | Nov 2008 | Dec 2025 | Wind |
| Kettle Butte Digester, LLC | Kettle Butte Digester, LLC | Roberts, ID | PacifiCorp East (PACE) | 6.8 GWh | Apr 2011 | Dec 2025 | Other Biomass Gas |
| Mountain Wind Power II LLC | Mountain Wind Power II LLC | Fort Bridger, WY | PacifiCorp East (PACE) | 190.9 GWh | Aug 2008 | Aug 2026 | Wind |
| Mountain Wind Power LLC | Mountain Wind Power LLC | Fort Bridger, WY | PacifiCorp East (PACE) | 158.1 GWh | Jun 2008 | Aug 2026 | Wind |
| Top of the World Windpower Project | Deriva Energy | Glenrock, WY | PacifiCorp East (PACE) | 541.1 GWh | Sep 2010 | Aug 2026 | Wind |
| Garland Canal Power Plant | Shoshone Irrigation District | Powell, WY | PacifiCorp East (PACE) | 9.9 GWh | Aug 1983 | Jul 2026 | Water |
| Dunlap | PacifiCorp | Medicine Bow, WY | PacifiCorp East (PACE) | 416.7 GWh | Sep 2010 | Dec 2025 | Wind |
| Gem State | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 117.2 GWh | Oct 1988 | Dec 2025 | Water |
| Lower No 2 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 3.8 GWh | Jul 1940 | Dec 2025 | Water |
| Upper Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 44.8 GWh | Aug 1982 | Dec 2025 | Water |
| Lake Creek Dam | Heber Light & Power Company | Heber City, UT | PacifiCorp East (PACE) | 3.1 GWh | Apr 1981 | Oct 2025 | Water |
| City Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 39.6 GWh | Jun 1982 | Dec 2025 | Water |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 16.3 GWh | Jun 1924 | Dec 2025 | Water |
| Last Chance | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 3.5 GWh | Jan 1984 | Dec 2025 | Water |
| Blundell | PacifiCorp | Milford, UT | PacifiCorp East (PACE) | 271.2 GWh | Jun 1984 | Dec 2025 | Geothermal |
| Hydro Plant No 3 | City of Ephraim - (UT) | east of Ephraim, UT | PacifiCorp East (PACE) | 1.5 GWh | Aug 1984 | Dec 2025 | Water |
| Ashton | PacifiCorp | Ashton, ID | PacifiCorp East (PACE) | 28.0 GWh | Jun 1917 | Dec 2025 | Water |
| Grace | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 82.7 GWh | Jun 1923 | Dec 2025 | Water |
| Oneida | PacifiCorp | Riverdale, ID | PacifiCorp East (PACE) | 39.4 GWh | Jun 1915 | Dec 2025 | Water |
| Manti Lower | City of Manti - (UT) | Manti, UT | PacifiCorp East (PACE) | 1.1 GWh | Dec 1988 | Aug 2025 | Water |
| Millcreek Power Generation | City of St George - (UT) | St. George, UT | PacifiCorp East (PACE) | 145.0 GWh | Mar 2006 | Nov 2025 | Natural Gas |
| Wolverine Creek | Invenergy Services LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 143.7 GWh | Jan 2006 | Dec 2025 | Wind |
| West Valley Generation Project | Utah Municipal Power Agency | West Valley City, UT | PacifiCorp East (PACE) | 343.8 GWh | Sep 2001 | Aug 2026 | Natural Gas |
| Lake Side Power Plant | PacifiCorp | Vineyard, UT | PacifiCorp East (PACE) | 6.4 TWh | Aug 2007 | Aug 2026 | Natural Gas |
| Shute Creek Facility | Exxon Mobil Production Co | Kemmerer, WY | PacifiCorp East (PACE) | 833.6 GWh | Apr 2005 | Aug 2026 | Natural Gas : 61.9% Other Gas : 38.1% |
| Kennecott Power Plant | Kennecott Utah Copper | Magna, UT | PacifiCorp East (PACE) | 127.9 GWh | Dec 1942 | Aug 2026 | Waste Heat : 77.0% Natural Gas : 23.0% |
| Tesoro SLC Cogeneration Plant | Tesoro Refng Marketing Co Mntn Region | Salt Lake City, UT | PacifiCorp East (PACE) | 201.4 GWh | Jun 2004 | Aug 2026 | Natural Gas : 99.9% |
| Currant Creek | PacifiCorp | Mona, UT | PacifiCorp East (PACE) | 2.6 TWh | May 2005 | Aug 2026 | Natural Gas |
| Salt Lake Energy Systems | NextEra Renewable Fuels, LLC | Salt Lake City, UT | PacifiCorp East (PACE) | 12.7 GWh | May 2006 | Dec 2025 | Landfill Gas |
| Nebo Power Station | Utah Associated Mun Power Sys | Payson, UT | PacifiCorp East (PACE) | 510.2 GWh | May 2004 | Aug 2026 | Natural Gas |
| TransAlta Wyoming Wind | TransAlta Wyoming Wind LLC | Evanston, WY | PacifiCorp East (PACE) | 321.4 GWh | Nov 2003 | Dec 2025 | Wind |
| Basin Creek Plant | Basin Creek Power Services LLC | Butte, MT | NorthWestern Corporation (NWMT) | 111.1 GWh | May 2006 | Aug 2026 | Natural Gas |
| Judith Gap Wind Energy Center | Invenergy Services LLC | Harlowton, MT | NorthWestern Corporation (NWMT) | 413.7 GWh | Nov 2005 | Aug 2026 | Wind |
| Hardin Generator Project | Heorot Power Management | Hardin, MT | NorthWestern Corporation (NWMT) | 366.5 GWh | Feb 2006 | Aug 2025 | Subbituminous Coal : 99.4% Natural Gas : 0.6% |
| Horseshoe Bend Wind Park | Cycle Holdings, LLC | Great Falls, MT | NorthWestern Corporation (NWMT) | 21.2 GWh | Jan 2006 | Dec 2025 | Wind |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 696.0 MWh | Aug 1985 | Nov 2025 | Water |
| Colstrip Energy LP | Colstrip Energy LP | Colstrip, MT | NorthWestern Corporation (NWMT) | 277.5 GWh | Jan 1990 | Dec 2025 | Waste/Other Coal : 99.6% |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 214.7 GWh | Dec 1929 | Dec 2025 | Water |
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 439.8 GWh | Jun 1915 | Dec 2025 | Water |
| Black Eagle | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 110.3 GWh | Aug 1927 | Dec 2025 | Water |
| Cochrane | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 215.3 GWh | Jun 1958 | Dec 2025 | Water |
| Hauser | NorthWestern Energy (MT Hydro) | Helena, MT | NorthWestern Corporation (NWMT) | 128.4 GWh | Oct 1911 | Dec 2025 | Water |
| Holter | NorthWestern Energy (MT Hydro) | Wolf Creek, MT | NorthWestern Corporation (NWMT) | 247.5 GWh | Jun 1918 | Dec 2025 | Water |
| Selis Ksanka Qlispe | Energy Keepers Inc | Polson, MT | NorthWestern Corporation (NWMT) | 970.6 GWh | Sep 1938 | Dec 2025 | Water |
| Old Faithful | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 203.0 MWh | Nov 1979 | Dec 2025 | Distillate Fuel Oil |
| Mystic | NorthWestern Energy (MT Hydro) | Fishtail, MT | NorthWestern Corporation (NWMT) | 52.5 GWh | Apr 1925 | Dec 2025 | Water |
| Rainbow (MT) | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 298.6 GWh | Feb 2013 | Dec 2025 | Water |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 377.3 GWh | Jul 1915 | Dec 2025 | Water |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 75.6 GWh | Aug 1906 | Dec 2025 | Water |
| Colstrip | Talen Montana LLC | Colstrip, MT | NorthWestern Corporation (NWMT) | 7.9 TWh | Oct 1975 | Aug 2026 | Subbituminous Coal : 99.9% |
| Lake (WY) | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 96.0 MWh | Aug 1967 | Dec 2025 | Distillate Fuel Oil |
| Broadwater Power Project | Montana Dept-Natural Res&Consv | Toston, MT | NorthWestern Corporation (NWMT) | 27.9 GWh | May 1989 | Dec 2025 | Water |
| Yellowstone Energy LP | Yellowstone Energy LP | Billings, MT | NorthWestern Corporation (NWMT) | 354.2 GWh | May 1995 | Aug 2026 | Petroleum Coke : 99.6% |
| Dave Gates Generating Station | NorthWestern Energy (MT wind/thermal) | Anaconda, MT | NorthWestern Corporation (NWMT) | 345.1 GWh | Dec 2010 | Aug 2026 | Natural Gas |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |