Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Genentech-Oceanside Hybrid | Tesla Inc. | Oceanside, CA | California Independent System Operator (CISO) | 3.6 GWh | Mar 2016 | Dec 2024 | Solar |
| Mount Sinai South Nassau Hospital | Mount Sinai South Nassau Hospital | Oceanside, NY | New York Independent System Operator (NYIS) | 10.8 MWh | Dec 1974 | Dec 2024 | Distillate Fuel Oil |
| Oil Dri 2 Solar | Westbound Solar LLC | Ochlocknee, GA | Southern Company Services, Inc. - Trans (SOCO) | 2.9 GWh | Apr 2019 | Dec 2024 | Solar |
| Oconto Falls Upper | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1917 | Dec 2024 | Water |
| Stiles | Oconto Electric Cooperative | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Feb 1949 | Dec 2024 | Water |
| Oconto Falls Lower | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.9 GWh | Dec 1970 | Dec 2024 | Water |
| Seville 1 | Duke Energy Renewables Services | Ocotillo Wells, CA | Imperial Irrigation District (IID) | 54.1 GWh | Nov 2015 | Dec 2024 | Solar |
| Seville 2 | Duke Energy Renewables Services | Ocotillo Wells, CA | Imperial Irrigation District (IID) | 77.5 GWh | Nov 2015 | Dec 2024 | Solar |
| Ocotillo Express LLC | Pattern Operators LP | Ocotillo, CA | California Independent System Operator (CISO) | 451.0 GWh | Nov 2012 | Oct 2025 | Wind |
| Richland (IA) | Interstate Power and Light Co | Odebolt, IA | Midcontinent Independent System Operator, Inc. (MISO) | 486.2 GWh | Aug 2020 | Oct 2025 | Wind |
| Streator Cayuga Ridge South | Avangrid Power LLC | Odell, IL | PJM Interconnection, LLC (PJM) | 666.3 GWh | Feb 2010 | Oct 2025 | Wind |
| Quail Run Energy Center | Quail Run Energy Partners, LP | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.1 TWh | Apr 2002 | Dec 2024 | Natural Gas |
| Odessa-Ector Power Plant | LaFrontera Holdings LLC | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 7.8 TWh | Jun 2001 | Oct 2025 | Natural Gas |
| Oberon IA | Oberon Solar IA | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 307.2 GWh | Jun 2020 | Oct 2025 | Solar |
| Oberon IB | Oberon Solar IB | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 62.0 GWh | Jun 2020 | Oct 2025 | Solar |
| Westover | Power Depot Group A, LLC | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 185.0 MWh | Aug 2013 | Dec 2024 | Distillate Fuel Oil |
| N. Mary Francis | Power Depot Group A, LLC | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 216.0 MWh | Jul 2013 | Dec 2024 | Distillate Fuel Oil |
| Kingsley | Central Nebraska Pub P&I Dist | Ogallala, NE | Southwest Power Pool (SWPP) | 48.0 GWh | Oct 1984 | Dec 2024 | Water |
| Ogden | City of Ogden - (IA) | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.0 MWh | Jun 1951 | Dec 2024 | Distillate Fuel Oil |
| Beaver Creek Wind | MidAmerican Energy Co | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 TWh | Nov 2017 | Oct 2025 | Wind |
| Washington St Community Solar Farm #1 | Generate Capital | Ogden, NY | New York Independent System Operator (NYIS) | 3.2 GWh | Jan 2020 | Dec 2024 | Solar |
| Washington St Community Solar Farm #4 | Generate Capital | Ogden, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Jan 2020 | Dec 2024 | Solar |
| Washington St Community Solar Farm #3 | Generate Capital | Ogden, NY | New York Independent System Operator (NYIS) | 3.7 GWh | Mar 2020 | Dec 2024 | Solar |
| Whittier | Solar Planet Power | Ogden, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Feb 2019 | Dec 2024 | Solar |
| SF Auto O1 | Autoliv ASP, Inc. | Ogden, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 218.0 MWh | Nov 2023 | Dec 2024 | Solar |
| Pioneer | PacifiCorp | Ogden, UT | PacifiCorp East (PACE) | 18.3 GWh | May 1910 | Dec 2024 | Water |
| Pine View Dam | City of Bountiful | Ogden, UT | PacifiCorp East (PACE) | 6.2 GWh | May 1991 | Oct 2024 | Water |
| Ogdensburg | Ampersand Ogdensburg Hydro, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 4.0 GWh | Nov 1987 | Dec 2023 | Water |
| CES Heuvelton | Heuvelton Solar, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 1.9 GWh | Aug 2024 | Dec 2024 | Solar |
| Ogema | Greenbacker Renewable Energy Corporation | Ogema, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Feb 2024 | Dec 2024 | Solar |
| Flint River Operations | International Paper - Flint River Mill | Oglethorpe, GA | Southern Company Services, Inc. - Trans (SOCO) | 433.9 GWh | Nov 1980 | Dec 2024 | Black Liquor : 78.2% Wood/Wood Waste Solids : 15.2% Natural Gas : 6.6% |
| H Neely Henry Dam | Alabama Power Co | Ohatchee, AL | Southern Company Services, Inc. - Trans (SOCO) | 179.9 GWh | May 1966 | Dec 2024 | Water |
| Big Sky Wind LLC | Big Sky Wind LLC | Ohio, IL | PJM Interconnection, LLC (PJM) | 730.9 GWh | Jan 2011 | Dec 2024 | Wind |
| Somerset Windpower LLC | Sequitur Renewables, LLC | Ohiopyle, PA | PJM Interconnection, LLC (PJM) | 7.3 GWh | Nov 2001 | Oct 2025 | Wind |
| Whitetail | Whitetail Wind Energy, LLC | Oilton, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 170.4 GWh | Nov 2012 | Dec 2024 | Wind |
| Covanta Lake County Energy | Covanta Lake Inc | Okahumpka, FL | Duke Energy Florida, Inc. (FPC) | 86.9 GWh | Aug 1990 | Oct 2025 | Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.6% |
| Okeechobee Clean Energy Center | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 11.7 TWh | Feb 2019 | Oct 2025 | Natural Gas |
| Lakeside Solar Center | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 146.6 GWh | Nov 2020 | Oct 2025 | Solar |
| Bluefield Preserve Solar | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 144.4 GWh | Dec 2022 | Oct 2025 | Solar |
| FPL Cavendish Solar Energy Center | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 109.5 GWh | Dec 2022 | Oct 2025 | Solar |
| Tinker | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 30.7 GWh | May 1971 | Dec 2024 | Natural Gas |
| Frontier | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 576.2 GWh | Aug 1989 | Oct 2025 | Natural Gas |
| Mustang | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 471.6 GWh | Apr 1950 | Oct 2025 | Natural Gas : 99.1% Solar : 0.9% |
| Electra Wind Farm | Electra Wind, LLC | Oklaunion, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 828.7 GWh | Oct 2016 | Dec 2024 | Wind |
| Munro Valley Solar | Ecos Energy LLC | Olancha, CA | California Independent System Operator (CISO) | 10.7 GWh | Sep 2016 | Dec 2024 | Solar |
| Owens Valley Solar Project 11 | Los Angeles Department of Water & Power | Olancha, CA | Los Angeles Department of Water and Power (LDWP) | 3.0 GWh | Nov 2016 | Dec 2024 | Solar |
| Haiwee | Los Angeles Department of Water & Power | Olancha, CA | Los Angeles Department of Water and Power (LDWP) | 5.1 GWh | Jun 1927 | Dec 2024 | Water |
| Bani Solar | Bani Solar, LLC | Olanta, SC | Duke Energy Progress East (CPLE) | 4.4 GWh | Jan 2021 | Dec 2024 | Solar |
| Ash Mesa Solar, LLC | Ash Mesa Solar, LLC | Olathe, CO | Public Service Company of Colorado (PSCO) | 16.4 GWh | May 2022 | Dec 2024 | Solar |
| Old Bridge Global Landfill CSG | NJR Clean Energy Ventures Corporation | Old Bridge, NJ | PJM Interconnection, LLC (PJM) | 3.6 GWh | Sep 2023 | Dec 2024 | Solar |
| Old Bridge Solar Farm | NJR Clean Energy Ventures Corporation | Old Bridge, NJ | PJM Interconnection, LLC (PJM) | 13.5 GWh | Jul 2018 | Dec 2024 | Solar |
| Sweeny Cogen Facility | Sweeny Cogeneration LLC | Old Ocean, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.3 TWh | Jul 1997 | Oct 2025 | Natural Gas : 69.8% Other Gas : 30.2% |
| Stillwater B | Brookfield Black Bear Hydro, LLC | Old Town, ME | ISO New England (ISNE) | 10.5 GWh | Aug 2013 | Dec 2024 | Water |
| Lockheed Martin Solar System | Lockheed Martin Solar System | Oldsmar, FL | Duke Energy Florida, Inc. (FPC) | 2.9 GWh | Aug 2015 | Dec 2024 | Solar |
| Albeni Falls | USACE Northwestern Division | Oldtown, ID | Bonneville Power Administration (BPAT) | 179.3 GWh | Apr 1955 | Dec 2024 | Water |
| Indeck Olean Energy Center | Indeck-Olean Ltd Partnership | Olean, NY | New York Independent System Operator (NYIS) | 34.5 GWh | Dec 1993 | Dec 2024 | Natural Gas |
| Rowe (CSG) | AES Distributed Energy | Olean, NY | ISO New England (ISNE) | 7.6 GWh | Oct 2021 | Dec 2024 | Solar |
| River Valley LLC (NY) (CSG) | Nautilus Solar Solutions | Olean, NY | New York Independent System Operator (NYIS) | 7.4 GWh | Nov 2021 | Dec 2024 | Solar |
| Solean Solar Project | BQ Energy LLC | Olean, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Mar 2016 | Dec 2023 | Solar |
| Homer Street West | CleanCapital Holdings | Olean, NY | New York Independent System Operator (NYIS) | 2.1 GWh | Apr 2019 | Dec 2024 | Solar |
| Homer Street East | CleanCapital Holdings | Olean, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Apr 2019 | Dec 2024 | Solar |
| Buffalo Mountain Energy Center | Invenergy Services LLC | Oliver Springs, TN | Tennessee Valley Authority (TVA) | 15.8 GWh | Nov 2004 | Nov 2024 | Wind |
| SR Russellville | SR Russellville, LLC | Olmstead, KY | Tennessee Valley Authority (TVA) | 341.9 GWh | Aug 2024 | Oct 2025 | Solar |
| Olney Solar II CSG | Olney Solar II, LLC | Olney, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | May 2021 | Dec 2024 | Solar |
| Trinity Hills | Trinity Hills Wind Farm LLC | Olney, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 744.4 GWh | Nov 2011 | Oct 2025 | Wind |
| Missouri River Wastewater Treatment | City of Omaha | Omaha, NE | Southwest Power Pool (SWPP) | 10.2 GWh | Mar 1985 | Oct 2025 | Other Biomass Gas : 98.1% Natural Gas : 1.9% |
| 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) | 1.5 TWh | Jun 1954 | Oct 2025 | Subbituminous Coal : 90.6% Natural Gas : 9.4% |
| Onalaska Campus Landfill Biogas | Gundersen Lutheran Biogas I LLC | Onalaska, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Feb 2012 | Dec 2024 | Landfill Gas |
| Onancock Diesel Generation Facility | Old Dominion Electric Coop | Onancock, VA | PJM Interconnection, LLC (PJM) | 264.0 MWh | Oct 2002 | Dec 2024 | Distillate Fuel Oil |
| Kleber | Tower Kleber Ltd Partnership | Onaway, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Dec 1924 | Dec 2024 | Water |
| Mira Loma Peaker | Southern California Edison Co | Ontario, CA | California Independent System Operator (CISO) | 11.3 GWh | Aug 2007 | Dec 2024 | Natural Gas |
| New-Indy Ontario Mill | New-Indy Ontario LLC | Ontario, CA | California Independent System Operator (CISO) | 245.2 GWh | May 1985 | Oct 2025 | Natural Gas |
| PVN Milliken, LLC | PVN Milliken, LLC | Ontario, CA | California Independent System Operator (CISO) | 4.8 GWh | May 2017 | Dec 2024 | Solar |
| Terra Francesco | Altus Power America Management, LLC | Ontario, CA | California Independent System Operator (CISO) | 2.1 GWh | Feb 2015 | Dec 2024 | Solar |
| SunE- E Philadelphia Ontario | SunEdison LLC | Ontario, CA | California Independent System Operator (CISO) | 1.5 GWh | Feb 2016 | Dec 2024 | Solar |
| Kaiser Ontario | Bloom Energy 2009 PPA | Ontario, CA | California Independent System Operator (CISO) | 2.8 GWh | Sep 2012 | Dec 2024 | Natural Gas |
| Oltmans SCE at Jurupa | California PV Energy LLC | Ontario, CA | California Independent System Operator (CISO) | 2.4 GWh | Nov 2013 | Dec 2024 | Solar |
| Oltmans SCE at Champagne | California PV Energy LLC | Ontario, CA | California Independent System Operator (CISO) | 1.5 GWh | Nov 2013 | Dec 2024 | Solar |
| Harbec Energy | Harbec Energy | Ontario, NY | New York Independent System Operator (NYIS) | 598.0 MWh | Nov 2001 | Dec 2024 | Natural Gas : 97.3% Wind : 2.7% |
| Furnace Rd Community Solar Farm | KSI II Consolidated, LLC | Ontario, NY | New York Independent System Operator (NYIS) | 4.7 GWh | Nov 2020 | Dec 2024 | Solar |
| R E Ginna Nuclear Power Plant | Constellation Nuclear | Ontario, NY | New York Independent System Operator (NYIS) | 5.0 TWh | Jun 1970 | Oct 2025 | Nuclear |
| Morgan Solar Center | Adapture Renewables, Inc. | Ontario, OR | Idaho Power Company (IPCO) | 6.5 GWh | Apr 2020 | Dec 2024 | Solar |
| Vale Solar Center | Adapture Renewables, Inc. | Ontario, OR | Idaho Power Company (IPCO) | 5.5 GWh | Jul 2020 | Dec 2024 | Solar |
| Ontario Solar Center | Adapture Renewables, Inc. | Ontario, OR | Idaho Power Company (IPCO) | 6.8 GWh | Apr 2020 | Dec 2024 | Solar |
| Railroad Solar Center, LLC | Cypress Creek Renewables | Ontario, OR | Idaho Power Company (IPCO) | 10.0 GWh | Oct 2016 | Oct 2025 | Solar |
| Hyline Solar Center, LLC | Cypress Creek Renewables | Ontario, OR | Idaho Power Company (IPCO) | 19.7 GWh | Sep 2016 | Oct 2025 | Solar |
| Verde Light Community Solar | Verde Light Community Solar LLC | Ontario, OR | Idaho Power Company (IPCO) | 6.7 GWh | Nov 2023 | Dec 2024 | Solar |
| Northeastern | Public Service Co of Oklahoma | Oologah, OK | Southwest Power Pool (SWPP) | 5.2 TWh | Mar 1961 | Oct 2025 | Natural Gas : 68.7% Subbituminous Coal : 31.3% |
| Prairie Ronde Solar Farm | Lightsource Renewable Energy Asset Management, LLC | Opelousas, LA | Midcontinent Independent System Operator, Inc. (MISO) | 259.0 GWh | Oct 2024 | Oct 2025 | Solar |
| Ames Hydro | Public Service Co of Colorado | Ophir, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.6 GWh | May 1906 | Mar 2024 | Water |
| Galesburg Solar Array | AEP Onsite Partners, LLC | Oquawka, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Feb 2020 | Dec 2024 | Solar |
| University of Arizona - Biosphere 2 | University of Arizona - Biosphere 2 | Oracle, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 53.0 MWh | Oct 1990 | Dec 2024 | Natural Gas : 67.8% Distillate Fuel Oil : 32.2% |
| OSG Solar 1 LLC | Navisun LLC | Orange, MA | ISO New England (ISNE) | 3.2 GWh | Jun 2012 | Dec 2024 | Solar |
| W. Orange Rd Solar LLC | AES Distributed Energy | Orange, MA | ISO New England (ISNE) | 7.7 GWh | Aug 2021 | Dec 2024 | Solar |
| Wilbur Woods Solar LLC | AES Distributed Energy | Orange, MA | ISO New England (ISNE) | 8.3 GWh | Aug 2021 | Dec 2024 | Solar |
| Orange PV | Terraform Arcadia | Orange, MA | ISO New England (ISNE) | 2.6 GWh | Jun 2013 | Dec 2024 | Solar |
| Hunt Farm Solar | Altus Power America Management, LLC | Orange, MA | ISO New England (ISNE) | 3.4 GWh | Aug 2013 | Dec 2024 | Solar |
| Sabine | Entergy Texas Inc. | Orange, TX | Midcontinent Independent System Operator, Inc. (MISO) | 3.5 TWh | Dec 1961 | Oct 2025 | Natural Gas |
| Sabine River Operations | The Dow Chemical Company | Orange, TX | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 TWh | Dec 1947 | Oct 2025 | Natural Gas : 99.3% Other Gas : 0.7% |
Summary of Power Plants By State
Figures are based on October 2025 generation numbers.| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,041.22 GWh |
| Alaska | # 49 | 144 | 484.88 GWh |
| Arizona | # 11 | 184 | 9,400.73 GWh |
| Arkansas | # 24 | 116 | 5,068.08 GWh |
| California | # 4 | 1,734 | 16,078.58 GWh |
| Colorado | # 30 | 302 | 4,272.03 GWh |
| Connecticut | # 38 | 166 | 3,176.41 GWh |
| Delaware | # 48 | 33 | 521.87 GWh |
| District of Columbia | # 51 | 16 | 15.93 GWh |
| Florida | # 2 | 321 | 22,593.36 GWh |
| Georgia | # 6 | 262 | 11,885.65 GWh |
| Hawaii | # 47 | 73 | 845.96 GWh |
| Idaho | # 44 | 147 | 1,448.54 GWh |
| Illinois | # 5 | 382 | 15,897.55 GWh |
| Indiana | # 12 | 211 | 9,138.69 GWh |
| Iowa | # 18 | 292 | 6,552.01 GWh |
| Kansas | # 31 | 187 | 4,138.18 GWh |
| Kentucky | # 23 | 60 | 5,089.89 GWh |
| Louisiana | # 14 | 86 | 8,618.27 GWh |
| Maine | # 45 | 215 | 1,114.12 GWh |
| Maryland | # 35 | 203 | 3,540.16 GWh |
| Massachusetts | # 41 | 648 | 1,963.73 GWh |
| Michigan | # 9 | 272 | 10,045.59 GWh |
| Minnesota | # 27 | 765 | 4,687.69 GWh |
| Mississippi | # 20 | 57 | 6,085.50 GWh |
| Missouri | # 21 | 127 | 5,515.65 GWh |
| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,455.83 GWh |
| Nebraska | # 36 | 129 | 3,412.31 GWh |
| Nevada | # 33 | 114 | 3,578.95 GWh |
| New Hampshire | # 43 | 60 | 1,661.03 GWh |
| New Jersey | # 25 | 393 | 4,903.52 GWh |
| New Mexico | # 37 | 143 | 3,370.59 GWh |
| New York | # 8 | 956 | 10,108.60 GWh |
| North Carolina | # 13 | 906 | 9,082.37 GWh |
| North Dakota | # 34 | 60 | 3,554.85 GWh |
| Ohio | # 10 | 197 | 9,920.42 GWh |
| Oklahoma | # 17 | 142 | 7,167.46 GWh |
| Oregon | # 26 | 275 | 4,755.34 GWh |
| Pennsylvania | # 3 | 256 | 16,669.60 GWh |
| Rhode Island | # 46 | 100 | 886.30 GWh |
| South Carolina | # 15 | 208 | 8,061.53 GWh |
| South Dakota | # 42 | 52 | 1,892.35 GWh |
| Tennessee | # 22 | 88 | 5,198.50 GWh |
| Texas | # 1 | 947 | 48,837.92 GWh |
| Utah | # 39 | 125 | 3,044.05 GWh |
| Vermont | # 50 | 117 | 151.45 GWh |
| Virginia | # 19 | 239 | 6,515.03 GWh |
| Washington | # 16 | 137 | 7,971.98 GWh |
| West Virginia | # 29 | 39 | 4,608.16 GWh |
| Wisconsin | # 28 | 250 | 4,687.23 GWh |
| Wyoming | # 32 | 70 | 3,770.47 GWh |