Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Cottonwood Solar, LLC (Goose Lake) | Onward Energy | Lost Hills, CA | California Independent System Operator (CISO) | 31.5 GWh | Apr 2015 | Dec 2024 | Solar |
| Cottonwood Solar, LLC (City of Corcoran) | Onward Energy | Corcoran, CA | California Independent System Operator (CISO) | 22.9 GWh | Apr 2015 | Dec 2024 | Solar |
| Cottonwood Solar, LLC Cottonwood Carport | Onward Energy | Novato, CA | California Independent System Operator (CISO) | 1.8 GWh | Apr 2016 | Dec 2024 | Solar |
| TA-Acacia, LLC | Onward Energy | Lancaster, CA | California Independent System Operator (CISO) | 52.0 GWh | Oct 2014 | Dec 2024 | Solar |
| Alamo Solar | Onward Energy | Oro Grande, CA | California Independent System Operator (CISO) | 47.7 GWh | Apr 2015 | Dec 2024 | Solar |
| Pavant Solar, LLC | Onward Energy | Fillmore, UT | PacifiCorp East (PACE) | 113.6 GWh | Nov 2015 | Apr 2025 | Solar |
| RE Old River One, LLC | Onward Energy | Bakersfield, CA | California Independent System Operator (CISO) | 35.6 GWh | Nov 2014 | Dec 2024 | Solar |
| Imperial Valley Solar Co (IVSC) 2, LLC | Onward Energy | Niland, CA | Imperial Irrigation District (IID) | 46.2 GWh | May 2015 | Dec 2024 | Solar |
| Comanche Solar | Onward Energy | Pueblo, CO | Public Service Company of Colorado (PSCO) | 232.4 GWh | Aug 2016 | Apr 2025 | Solar |
| Catalina Solar 2, LLC | Onward Energy | Rosamond, CA | California Independent System Operator (CISO) | 52.8 GWh | Jul 2015 | Dec 2024 | Solar |
| CID Solar, LLC | Onward Energy | Corcoran, CA | California Independent System Operator (CISO) | 45.0 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Kent South, LLC | Onward Energy | Lemoore, CA | California Independent System Operator (CISO) | 44.3 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Columbia Two, LLC | Onward Energy | Mojave, CA | California Independent System Operator (CISO) | 40.4 GWh | Nov 2014 | Dec 2024 | Solar |
| Twiggs Solar | Onward Energy | Dry Branch, GA | Southern Company Services, Inc. - Trans (SOCO) | 426.1 GWh | Aug 2020 | Apr 2025 | Solar |
| RE Maplewood | Onward Energy | McCamey, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 526.2 GWh | Mar 2021 | Apr 2025 | Solar |
| Sweetwater Solar | Onward Energy | Green River, WY | PacifiCorp East (PACE) | 180.0 GWh | Nov 2018 | Apr 2025 | Solar |
| Ontelaunee Energy Center | Ontelaunee Energy Center | Reading, PA | PJM Interconnection, LLC (PJM) | 3.7 TWh | Apr 2002 | Apr 2025 | Natural Gas |
| Oneta Energy Center | Oneta Power LLC | Broken Arrow, OK | Southwest Power Pool (SWPP) | 5.5 TWh | Jun 2002 | Apr 2025 | Natural Gas |
| Oneida - South | Oneida DG Solar, LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.5 GWh | Nov 2015 | Dec 2024 | Solar |
| Oneida - West | Oneida DG Solar, LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.5 GWh | Nov 2015 | Dec 2024 | Solar |
| One Ten Partners PV | One Ten Partners, LLC | Palmdale, CA | California Independent System Operator (CISO) | 6.1 GWh | Aug 2017 | Dec 2024 | Solar |
| Pleasants Power Station | Omnis Pleasants, LLC | Willow Island, WV | PJM Interconnection, LLC (PJM) | 677.9 GWh | Mar 1979 | Apr 2025 | Bituminous Coal : 97.2% Natural Gas : 2.8% |
| Elk City Station | Omaha Public Power District | Bennington, NE | Southwest Power Pool (SWPP) | 45.9 GWh | Mar 2002 | Dec 2024 | Landfill Gas |
| Nebraska City | Omaha Public Power District | Nebraska City, NE | Southwest Power Pool (SWPP) | 6.2 TWh | Mar 1979 | Apr 2025 | Subbituminous Coal : 99.5% |
| Cass County | Omaha Public Power District | Plattsmouth, NE | Southwest Power Pool (SWPP) | 202.4 GWh | Apr 2003 | Dec 2024 | Natural Gas |
| Jones Street | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 15.6 GWh | May 1973 | Dec 2024 | Distillate Fuel Oil |
| North Omaha | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 1.1 TWh | Jun 1954 | Apr 2025 | Subbituminous Coal : 83.9% Natural Gas : 16.1% |
| Sarpy County | Omaha Public Power District | Bellevue, NE | Southwest Power Pool (SWPP) | 191.6 GWh | May 1972 | Dec 2024 | Natural Gas : 97.3% Distillate Fuel Oil : 2.7% |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 13.5 GWh | Dec 1989 | Dec 2024 | Water |
| Agnews Power Plant | OLS Energy-Agnews Inc. | San Jose, CA | California Independent System Operator (CISO) | 10.3 GWh | Oct 1990 | Dec 2024 | Natural Gas |
| Olney Solar II CSG | Olney Solar II, LLC | Olney, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | May 2021 | Dec 2024 | Solar |
| Olmsted Waste Energy | Olmsted County Public Works | Rochester, MN | Midcontinent Independent System Operator, Inc. (MISO) | 46.7 GWh | Mar 1987 | Dec 2024 | Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.5% |
| Olmstead II CSG | Olmstead Solar II, LLC | Lena, IL | PJM Interconnection, LLC (PJM) | 4.4 GWh | Aug 2021 | Dec 2024 | Solar |
| Oliver Wind IV | Oliver Wind IV, LLC | Hannover, ND | Southwest Power Pool (SWPP) | 322.7 GWh | Nov 2024 | Apr 2025 | Wind |
| Oliver Wind III, LLC | Oliver Wind III, LLC | Mandan, ND | Midcontinent Independent System Operator, Inc. (MISO) | 425.8 GWh | Dec 2016 | Apr 2025 | Wind |
| Olinda Trail Solar | Olinda Trail Solar LLC | Lindstrom, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Aug 2019 | Dec 2024 | Solar |
| Freeport Energy | Olin Blue Cube Operations | Freeport, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.7 TWh | Mar 1978 | Apr 2025 | Natural Gas |
| Oleander Power Project LP | Oleander Holdings LLC | Cocoa, FL | Florida Power & Light Co. (FPL) | 488.9 GWh | May 2002 | Dec 2024 | Natural Gas : 99.9% |
| Old Trail Wind Farm | Old Trail Wind Farm LLC | Ellsworth, IL | PJM Interconnection, LLC (PJM) | 584.0 GWh | Nov 2007 | Apr 2025 | Wind |
| Old Settler Wind | Old Settler Wind, LLC | Floydada, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 545.6 GWh | Mar 2017 | Apr 2025 | Wind |
| Old Mill Solar | Old Mill Solar | Bly, OR | PacifiCorp West (PACW) | 7.2 GWh | Nov 2015 | Dec 2024 | Solar |
| Old Gold Energy Center, LLC | Old Gold Energy Center, LLC | Joice, IA | Midcontinent Independent System Operator, Inc. (MISO) | 78.4 GWh | Sep 2001 | Dec 2024 | Wind |
| Old Frontier Solar III | Old Frontier Solar III PV, LLC | South Deerfield, MA | ISO New England (ISNE) | 4.1 GWh | Aug 2022 | Dec 2024 | Solar |
| Monterey Diesel Generation Facility | Old Dominion Electric Coop | Monterey, VA | PJM Interconnection, LLC (PJM) | 179.0 MWh | Apr 2016 | Dec 2024 | Distillate Fuel Oil |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 2.9 TWh | Mar 2018 | Apr 2025 | Natural Gas |
| Louisa Generation Facility | Old Dominion Electric Coop | Gordonsville, VA | PJM Interconnection, LLC (PJM) | 520.8 GWh | Jul 2003 | Dec 2024 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Nottoway Diesel Generating Facility | Old Dominion Electric Coop | Courtland, VA | PJM Interconnection, LLC (PJM) | 734.0 MWh | Oct 2002 | Dec 2024 | Distillate Fuel Oil |
| Ponton Diesel Generating Facility | Old Dominion Electric Coop | Amelia, VA | PJM Interconnection, LLC (PJM) | 544.0 MWh | Nov 2002 | Dec 2024 | Distillate Fuel Oil |
| Marsh Run Generation Facility | Old Dominion Electric Coop | Remington, VA | PJM Interconnection, LLC (PJM) | 390.8 GWh | Aug 2004 | Dec 2024 | Natural Gas : 97.8% Distillate Fuel Oil : 2.2% |
| Perdue Diesel Generation Facility | Old Dominion Electric Coop | Accomack, VA | PJM Interconnection, LLC (PJM) | 286.0 MWh | Oct 2002 | Dec 2024 | Distillate Fuel Oil |
| Onancock Diesel Generation Facility | Old Dominion Electric Coop | Onancock, VA | PJM Interconnection, LLC (PJM) | 264.0 MWh | Oct 2002 | Dec 2024 | Distillate Fuel Oil |
| Belle Haven Diesel Generation Facility | Old Dominion Electric Coop | Belle Haven, VA | PJM Interconnection, LLC (PJM) | 278.0 MWh | Oct 2002 | Dec 2024 | Distillate Fuel Oil |
| Old Court Rd Solar | Old Court Rd Solar, LLC | Woodstock, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Sep 2019 | Dec 2024 | Solar |
| Old 300 Solar Center, LLC | Old 300 Solar Center, LLC | Needville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 877.4 GWh | Sep 2024 | Apr 2025 | Solar |
| Rio Bravo Hydro Project | Olcese Water District | Bakersfield, CA | California Independent System Operator (CISO) | 34.6 GWh | Apr 1989 | Oct 2024 | Water |
| Charles D. Lamb Energy Center | Oklahoma Municipal Power Authority | Ponca City, OK | Southwest Power Pool (SWPP) | 211.8 GWh | Mar 2015 | Dec 2024 | Natural Gas |
| Ponca City | Oklahoma Municipal Power Authority | Ponca City, OK | Southwest Power Pool (SWPP) | 22.6 GWh | Sep 1966 | Dec 2024 | Natural Gas |
| Kaw Hydro | Oklahoma Municipal Power Authority | Ponca City, OK | Southwest Power Pool (SWPP) | 28.7 GWh | Jul 1989 | Dec 2024 | Water |
| Sooner | Oklahoma Gas & Electric Co | Red Rock, OK | Southwest Power Pool (SWPP) | 2.4 TWh | Oct 1979 | Apr 2025 | Subbituminous Coal : 98.9% Distillate Fuel Oil : 1.1% |
| Frontier | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 700.0 GWh | Aug 1989 | Apr 2025 | Natural Gas |
| River Valley | Oklahoma Gas & Electric Co | Panama, OK | Southwest Power Pool (SWPP) | 621.3 GWh | Aug 1990 | Apr 2025 | Subbituminous Coal : 84.4% Natural Gas : 10.9% Tire-derived Fuels : 3.9% Bituminous Coal : 0.7% |
| Muskogee | Oklahoma Gas & Electric Co | Fort Gibson, OK | Southwest Power Pool (SWPP) | 2.9 TWh | Nov 1977 | Apr 2025 | Natural Gas : 71.3% Subbituminous Coal : 28.7% |
| Seminole | Oklahoma Gas & Electric Co | Konowa, OK | Southwest Power Pool (SWPP) | 2.3 TWh | Feb 1971 | Apr 2025 | Natural Gas |
| Mustang | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 551.3 GWh | Apr 1950 | Apr 2025 | Natural Gas : 99.2% Solar : 0.8% |
| Horseshoe Lake | Oklahoma Gas & Electric Co | Harrah, OK | Southwest Power Pool (SWPP) | 865.2 GWh | Mar 1958 | Dec 2023 | Natural Gas |
| Butterfield Solar Farm | Oklahoma Gas & Electric Co | Durant, OK | Southwest Power Pool (SWPP) | 10.6 GWh | Feb 2022 | Dec 2024 | Solar |
| Covington Solar Farm | Oklahoma Gas & Electric Co | Covington, OK | Southwest Power Pool (SWPP) | 18.6 GWh | Jan 2018 | Dec 2024 | Solar |
| OU Spirit Wind Farm | Oklahoma Gas & Electric Co | Woodward, OK | Southwest Power Pool (SWPP) | 136.4 GWh | Nov 2009 | Dec 2024 | Wind |
| Crossroads Wind Farm | Oklahoma Gas & Electric Co | Canton, OK | Southwest Power Pool (SWPP) | 302.3 GWh | Dec 2011 | Apr 2025 | Wind |
| Branch Solar Farm | Oklahoma Gas & Electric Co | Branch, AR | Southwest Power Pool (SWPP) | 10.0 GWh | Sep 2021 | Dec 2024 | Solar |
| Chickasaw Nation Solar Farm | Oklahoma Gas & Electric Co | Davis, OK | Southwest Power Pool (SWPP) | 10.5 GWh | Jun 2020 | Dec 2024 | Solar |
| Tinker | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 30.7 GWh | May 1971 | Dec 2024 | Natural Gas |
| Choctaw Nation Solar Farm | Oklahoma Gas & Electric Co | Calera, OK | Southwest Power Pool (SWPP) | 9.3 GWh | Jun 2020 | Dec 2024 | Solar |
| Redbud Power Plant | Oklahoma Gas & Electric Co | Luther, OK | Southwest Power Pool (SWPP) | 5.0 TWh | Apr 2004 | Apr 2025 | Natural Gas |
| McClain Energy Facility | Oklahoma Gas & Electric Co | Newcastle, OK | Southwest Power Pool (SWPP) | 1.6 TWh | May 2001 | Apr 2025 | Natural Gas |
| Centennial Wind Farm | Oklahoma Gas & Electric Co | Fort Supply, OK | Southwest Power Pool (SWPP) | 170.2 GWh | Nov 2006 | Dec 2024 | Wind |
| OK Produce Fresno Carport | OK Produce | Fresno, CA | California Independent System Operator (CISO) | 3.6 GWh | Dec 2018 | Dec 2024 | Solar |
| Kyger Creek | Ohio Valley Electric Corp | Cheshire, OH | PJM Interconnection, LLC (PJM) | 5.3 TWh | Jan 1955 | Apr 2025 | Bituminous Coal : 94.4% Subbituminous Coal : 5.5% |
| Middletown Energy Center | Ohio Power Partners, LLC | Middletown, OH | PJM Interconnection, LLC (PJM) | 3.6 TWh | Apr 2018 | Mar 2025 | Natural Gas |
| Doyle Energy Facility | Oglethorpe Power Corporation | Monroe, GA | Southern Company Services, Inc. - Trans (SOCO) | 30.6 GWh | Apr 2000 | Dec 2024 | Natural Gas |
| Hawk Road Facility | Oglethorpe Power Corporation | Franklin, GA | Southern Company Services, Inc. - Trans (SOCO) | 682.5 GWh | Apr 2001 | Dec 2024 | Natural Gas |
| Hartwell Energy Facility | Oglethorpe Power Corporation | Hartwell, GA | Southern Company Services, Inc. - Trans (SOCO) | 174.9 GWh | Mar 1994 | Dec 2024 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| Walton County Energy Facility | Oglethorpe Power Corporation | Monroe, GA | Southern Company Services, Inc. - Trans (SOCO) | 313.8 GWh | May 2001 | Dec 2024 | Natural Gas |
| Chattahoochee Energy Facility | Oglethorpe Power Corporation | Franklin, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.8 TWh | Jan 2003 | Apr 2025 | Natural Gas |
| Sewell Creek Energy | Oglethorpe Power Corporation | Cedartown, GA | Southern Company Services, Inc. - Trans (SOCO) | 522.9 GWh | May 2000 | Dec 2024 | Natural Gas |
| Smarr Energy Center | Oglethorpe Power Corporation | Forsyth, GA | Southern Company Services, Inc. - Trans (SOCO) | 202.0 GWh | May 1999 | Dec 2024 | Natural Gas |
| Talbot County Energy | Oglethorpe Power Corporation | Box Springs, GA | Southern Company Services, Inc. - Trans (SOCO) | 494.2 GWh | Mar 2002 | Dec 2024 | Natural Gas |
| Thomas A Smith Energy Facility | Oglethorpe Power Corporation | Dalton, GA | Southern Company Services, Inc. - Trans (SOCO) | 7.9 TWh | May 2002 | Apr 2025 | Natural Gas |
| Bobby C Smith Jr Energy Facility | Oglethorpe Power Corporation | Rincon, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.3 TWh | Jul 2003 | Apr 2025 | Natural Gas |
| Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, MA | ISO New England (ISNE) | 298.4 GWh | Apr 1989 | Mar 2025 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8% |
| Ogburn Solar, LLC | Ogburn Solar, LLC | Jefferson, SC | Duke Energy Progress East (CPLE) | 4.2 GWh | Nov 2022 | Dec 2024 | Solar |
| Off Airport Road - West | Off Airport Road - West, LLC | Accord, NY | New York Independent System Operator (NYIS) | 6.7 GWh | Nov 2019 | Dec 2024 | Solar |
| Martin Marietta Wind Project | OEE XXXIII LLC | Woodville, OH | PJM Interconnection, LLC (PJM) | 7.2 GWh | Nov 2023 | Dec 2024 | Wind |
| Zephyr Wind Project - 2.0 | OEE XXX LLC | Findlay, OH | PJM Interconnection, LLC (PJM) | 3.9 GWh | Jul 2020 | Dec 2024 | Wind |
| LafargeHolcim - Paulding Wind Project | OEE XXVIII LLC | Paulding, OH | PJM Interconnection, LLC (PJM) | 5.7 GWh | Jul 2020 | Dec 2024 | Wind |
| Whirlpool Corp-Greenville Wind Farm | OEE XXVI LLC | Greenville, OH | PJM Interconnection, LLC (PJM) | 6.4 GWh | Aug 2018 | Dec 2024 | Wind |
| Valfilm Wind Project | OEE XXV LLC | Findlay, OH | PJM Interconnection, LLC (PJM) | 3.6 GWh | Aug 2018 | Dec 2024 | Wind |
| Whirlpool Corporation - Ottawa Wind Farm | OEE XXIV LLC | Ottawa, OH | PJM Interconnection, LLC (PJM) | 1.9 GWh | Dec 2017 | Dec 2024 | Wind |
| Whirlpool Corporation - Marion Wind Farm | OEE XXIII LLC | Marion, OH | PJM Interconnection, LLC (PJM) | 5.7 GWh | Sep 2017 | Dec 2024 | Wind |
| Harpster Wind | OEE XVII, LLC | Harpster, OH | PJM Interconnection, LLC (PJM) | 3.1 GWh | Dec 2015 | Apr 2025 | Wind |
Summary of Power Plants By State
Figures are based on April 2025 generation numbers.| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,243.20 GWh |
| Alaska | # 48 | 142 | 476.79 GWh |
| Arizona | # 15 | 173 | 7,447.02 GWh |
| Arkansas | # 31 | 99 | 3,937.58 GWh |
| California | # 4 | 1,664 | 15,684.45 GWh |
| Colorado | # 28 | 290 | 4,479.29 GWh |
| Connecticut | # 37 | 162 | 2,832.47 GWh |
| Delaware | # 49 | 32 | 450.59 GWh |
| District of Columbia | # 51 | 16 | 13.07 GWh |
| Florida | # 2 | 317 | 20,430.69 GWh |
| Georgia | # 6 | 248 | 11,378.75 GWh |
| Hawaii | # 46 | 68 | 750.53 GWh |
| Idaho | # 44 | 145 | 1,489.98 GWh |
| Illinois | # 5 | 358 | 14,828.23 GWh |
| Indiana | # 14 | 208 | 7,809.31 GWh |
| Iowa | # 19 | 294 | 6,020.16 GWh |
| Kansas | # 21 | 180 | 5,162.37 GWh |
| Kentucky | # 25 | 57 | 4,785.23 GWh |
| Louisiana | # 16 | 83 | 7,414.75 GWh |
| Maine | # 45 | 208 | 1,052.11 GWh |
| Maryland | # 36 | 196 | 3,016.71 GWh |
| Massachusetts | # 43 | 623 | 1,491.61 GWh |
| Michigan | # 9 | 269 | 9,486.98 GWh |
| Minnesota | # 27 | 765 | 4,502.46 GWh |
| Mississippi | # 20 | 56 | 5,727.48 GWh |
| Missouri | # 23 | 120 | 5,119.33 GWh |
| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,029.46 GWh |
| Nebraska | # 38 | 127 | 2,575.70 GWh |
| Nevada | # 33 | 110 | 3,434.99 GWh |
| New Hampshire | # 42 | 56 | 1,516.23 GWh |
| New Jersey | # 22 | 385 | 5,160.42 GWh |
| New Mexico | # 32 | 139 | 3,447.34 GWh |
| New York | # 8 | 930 | 9,830.59 GWh |
| North Carolina | # 10 | 909 | 9,044.94 GWh |
| North Dakota | # 35 | 57 | 3,134.93 GWh |
| Ohio | # 12 | 197 | 8,321.20 GWh |
| Oklahoma | # 18 | 136 | 6,341.82 GWh |
| Oregon | # 24 | 272 | 4,888.92 GWh |
| Pennsylvania | # 3 | 255 | 17,282.62 GWh |
| Rhode Island | # 47 | 97 | 690.36 GWh |
| South Carolina | # 11 | 200 | 8,436.34 GWh |
| South Dakota | # 41 | 52 | 1,909.63 GWh |
| Tennessee | # 26 | 86 | 4,565.37 GWh |
| Texas | # 1 | 885 | 43,683.73 GWh |
| Utah | # 39 | 122 | 2,192.68 GWh |
| Vermont | # 50 | 117 | 200.11 GWh |
| Virginia | # 17 | 233 | 6,991.48 GWh |
| Washington | # 13 | 134 | 8,268.23 GWh |
| West Virginia | # 30 | 39 | 3,969.31 GWh |
| Wisconsin | # 29 | 244 | 4,163.43 GWh |
| Wyoming | # 34 | 73 | 3,236.34 GWh |