Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Orefield | Madison Energy Investments LLC | Orefield, PA | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2024 | Dec 2025 | Solar |
| Hecate Energy Upshur Rural LLC | Hecate Energy Upshur Rural LLC | Ore City, TX | Southwest Power Pool (SWPP) | 4.1 GWh | Jun 2022 | Dec 2024 | Solar |
| NSE Camber BH CSG 2, LLC | Nautilus Solar Solutions | Ordway, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 3.9 GWh | Oct 2021 | Dec 2025 | Solar |
| Ord | City of Ord - (NE) | Ord, NE | Southwest Power Pool (SWPP) | 119.0 MWh | Dec 1962 | Dec 2025 | Distillate Fuel Oil : 99.4% Natural Gas : 0.6% |
| Rowesville Rd Plant | City of Orangeburg - (SC) | Orangeburg, SC | Duke Energy Carolinas (DUK) | 928.0 MWh | May 1994 | Dec 2025 | Natural Gas |
| Substation 20 Plant | City of Orangeburg - (SC) | Orangeburg, SC | Duke Energy Carolinas (DUK) | 168.0 MWh | May 2014 | Dec 2025 | Natural Gas |
| Bull Street Plant | City of Orangeburg - (SC) | Orangeburg, SC | Duke Energy Carolinas (DUK) | 132.0 MWh | Mar 2005 | Dec 2025 | Natural Gas |
| Jamison Solar Farm | Jamison Solar Farm | Orangeburg, SC | South Carolina Public Service Authority (SC) | 1.9 GWh | Mar 2019 | Dec 2025 | Solar |
| Orange County Advanced Power Station | Entergy Texas Inc. | Orange, TX | Midcontinent Independent System Operator, Inc. (MISO) | 52.9 GWh | - | Aug 2026 | Natural Gas |
| Sabine | Entergy Texas Inc. | Orange, TX | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 TWh | Dec 1961 | Aug 2026 | Natural Gas |
| Sabine River Operations | The Dow Chemical Company | Orange, TX | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 TWh | Dec 1947 | Aug 2026 | Natural Gas : 99.8% |
| Hunt Farm Solar | Altus Power America Management, LLC | Orange, MA | ISO New England (ISNE) | 3.3 GWh | Aug 2013 | Dec 2025 | Solar |
| Orange PV | Terraform Arcadia | Orange, MA | ISO New England (ISNE) | 2.6 GWh | Jun 2013 | Dec 2025 | Solar |
| W. Orange Rd Solar LLC | AES Distributed Energy | Orange, MA | ISO New England (ISNE) | 7.6 GWh | Aug 2021 | Dec 2025 | Solar |
| Wilbur Woods Solar LLC | AES Distributed Energy | Orange, MA | ISO New England (ISNE) | 7.8 GWh | Aug 2021 | Dec 2025 | Solar |
| OSG Solar 1 LLC | Navisun LLC | Orange, MA | ISO New England (ISNE) | 3.1 GWh | Jun 2012 | Dec 2025 | Solar |
| University of Arizona - Biosphere 2 | University of Arizona - Biosphere 2 | Oracle, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 61.0 MWh | Oct 1990 | Dec 2025 | Natural Gas : 68.4% Distillate Fuel Oil : 31.6% |
| Galesburg Solar Array | Onsite Partners, LLC | Oquawka, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Feb 2020 | Dec 2025 | Solar |
| Prairie Ronde Solar Farm | Lightsource Renewable Energy Asset Management, LLC | Opelousas, LA | Midcontinent Independent System Operator, Inc. (MISO) | 237.2 GWh | Oct 2024 | Aug 2026 | Solar |
| Northeastern | Public Service Co of Oklahoma | Oologah, OK | Southwest Power Pool (SWPP) | 3.7 TWh | Mar 1961 | Aug 2026 | Natural Gas : 87.5% Subbituminous Coal : 12.5% |
| Ontario Solar Center | Adapture Renewables, Inc. | Ontario, OR | Idaho Power Company (IPCO) | 7.5 GWh | Apr 2020 | Dec 2025 | Solar |
| Vale Solar Center | Adapture Renewables, Inc. | Ontario, OR | Idaho Power Company (IPCO) | 6.2 GWh | Jul 2020 | Dec 2025 | Solar |
| Morgan Solar Center | Adapture Renewables, Inc. | Ontario, OR | Idaho Power Company (IPCO) | 7.3 GWh | Apr 2020 | Dec 2025 | Solar |
| Railroad Solar Center, LLC | Cypress Creek Renewables | Ontario, OR | Idaho Power Company (IPCO) | 9.5 GWh | Oct 2016 | Aug 2026 | Solar |
| Hyline Solar Center, LLC | Cypress Creek Renewables | Ontario, OR | Idaho Power Company (IPCO) | 19.7 GWh | Sep 2016 | Aug 2026 | Solar |
| Verde Light Community Solar | Verde Light Community Solar LLC | Ontario, OR | Idaho Power Company (IPCO) | 6.8 GWh | Nov 2023 | Dec 2025 | Solar |
| R E Ginna Nuclear Power Plant | Constellation Nuclear | Ontario, NY | New York Independent System Operator (NYIS) | 4.7 TWh | Jun 1970 | Aug 2026 | Nuclear |
| Harbec Energy | Harbec Energy | Ontario, NY | New York Independent System Operator (NYIS) | 365.0 MWh | Nov 2001 | Nov 2025 | Wind : 51.5% Natural Gas : 48.5% |
| Furnace Rd Community Solar Farm | KSI II Consolidated, LLC | Ontario, NY | New York Independent System Operator (NYIS) | 4.4 GWh | Nov 2020 | Dec 2025 | Solar |
| PVN Milliken, LLC | PVN Milliken, LLC | Ontario, CA | California Independent System Operator (CISO) | 5.1 GWh | May 2017 | Dec 2025 | Solar |
| Terra Francesco | Altus Power America Management, LLC | Ontario, CA | California Independent System Operator (CISO) | 2.2 GWh | Feb 2015 | Dec 2025 | Solar |
| SunE- E Philadelphia Ontario | SunEdison LLC | Ontario, CA | California Independent System Operator (CISO) | 1.5 GWh | Feb 2016 | Dec 2025 | Solar |
| Oltmans SCE at Jurupa | California PV Energy LLC | Ontario, CA | California Independent System Operator (CISO) | 2.4 GWh | Nov 2013 | Dec 2025 | Solar |
| Oltmans SCE at Champagne | California PV Energy LLC | Ontario, CA | California Independent System Operator (CISO) | 1.6 GWh | Nov 2013 | Dec 2025 | Solar |
| Kaiser Ontario | Bloom Energy 2009 PPA | Ontario, CA | California Independent System Operator (CISO) | 7.7 GWh | Sep 2012 | Dec 2025 | Natural Gas |
| KP Ontario Vineyard Solar | KP Ontario Vineyard O.P. Surgicenter B Solar LLC | Ontario, CA | California Independent System Operator (CISO) | 2.7 GWh | Nov 2024 | Dec 2025 | Solar |
| New-Indy Ontario Mill | New-Indy Ontario LLC | Ontario, CA | California Independent System Operator (CISO) | 243.6 GWh | May 1985 | Aug 2026 | Natural Gas |
| Mira Loma Peaker | Southern California Edison Co | Ontario, CA | California Independent System Operator (CISO) | 1.1 GWh | Aug 2007 | Dec 2025 | Natural Gas |
| Winema Solar Partners | Winema Solar Partners, LLC | Oneida, NY | New York Independent System Operator (NYIS) | 8.7 GWh | Feb 2024 | Dec 2025 | Solar |
| Kleber | Tower Kleber Ltd Partnership | Onaway, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Dec 1924 | Dec 2024 | Water |
| Onancock Diesel Generation Facility | Old Dominion Electric Coop | Onancock, VA | PJM Interconnection, LLC (PJM) | 578.0 MWh | Oct 2002 | Dec 2025 | Distillate Fuel Oil |
| Onalaska Campus Landfill Biogas | Gundersen Lutheran Biogas I LLC | Onalaska, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Feb 2012 | Dec 2025 | Landfill Gas |
| Jones Street | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 9.9 GWh | May 1973 | Dec 2025 | Distillate Fuel Oil |
| North Omaha | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 1.6 TWh | Jun 1954 | Aug 2026 | Subbituminous Coal : 89.6% Natural Gas : 10.4% |
| Missouri River Wastewater Treatment | City of Omaha - (NE) | Omaha, NE | Southwest Power Pool (SWPP) | 11.3 GWh | Mar 1985 | Aug 2026 | Other Biomass Gas : 99.7% |
| Standing Bear Lake | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 38.8 GWh | Oct 2025 | Dec 2025 | Natural Gas : 69.2% Distillate Fuel Oil : 30.8% |
| Trinity Hills | Trinity Hills Wind Farm LLC | Olney, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 817.7 GWh | Nov 2011 | Aug 2026 | Wind |
| Olney Solar II CSG | Olney Solar II, LLC | Olney, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | May 2021 | Dec 2025 | Solar |
| SR Russellville | SR Russellville, LLC | Olmstead, KY | Tennessee Valley Authority (TVA) | 367.8 GWh | Aug 2024 | Aug 2026 | Solar |
| SR West Marshall, LLC | SR West Marshall, LLC | Olive Branch, MS | Tennessee Valley Authority (TVA) | 108.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Rowe (CSG) | AES Distributed Energy | Olean, NY | ISO New England (ISNE) | 7.7 GWh | Oct 2021 | Dec 2025 | Solar |
| River Valley LLC (NY) (CSG) | Nautilus Solar Solutions | Olean, NY | New York Independent System Operator (NYIS) | 7.2 GWh | Nov 2021 | Dec 2025 | Solar |
| Solean Solar Project | Altus Power America Management, LLC | Olean, NY | New York Independent System Operator (NYIS) | 7.7 GWh | Mar 2016 | Dec 2025 | Solar |
| Homer Street West | CleanCapital Holdings | Olean, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Apr 2019 | Dec 2025 | Solar |
| Homer Street East | CleanCapital Holdings | Olean, NY | New York Independent System Operator (NYIS) | 1.8 GWh | Apr 2019 | Dec 2025 | Solar |
| Indeck Olean Energy Center | Indeck-Olean Ltd Partnership | Olean, NY | New York Independent System Operator (NYIS) | 79.7 GWh | Dec 1993 | Nov 2025 | Natural Gas : 99.8% |
| Albeni Falls | USACE Northwestern Division | Oldtown, ID | Bonneville Power Administration (BPAT) | 177.0 GWh | Apr 1955 | Dec 2025 | Water |
| Lockheed Martin Solar System | Lockheed Martin Solar System | Oldsmar, FL | Duke Energy Florida, Inc. (FPC) | 3.2 GWh | Aug 2015 | Dec 2025 | Solar |
| Stillwater B | Brookfield Black Bear Hydro, LLC | Old Town, ME | ISO New England (ISNE) | 9.4 GWh | Aug 2013 | Dec 2025 | Water |
| Sweeny Cogen Facility | Sweeny Cogeneration LLC | Old Ocean, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 2.9 TWh | Jul 1997 | Aug 2026 | Natural Gas : 70.5% Other Gas : 29.5% |
| Old Bridge Global Landfill CSG | NJR Clean Energy Ventures Corporation | Old Bridge, NJ | PJM Interconnection, LLC (PJM) | 3.6 GWh | Sep 2023 | Dec 2025 | Solar |
| Old Bridge Solar Farm | NJR Clean Energy Ventures Corporation | Old Bridge, NJ | PJM Interconnection, LLC (PJM) | 13.4 GWh | Jul 2018 | Dec 2025 | Solar |
| Ash Mesa Solar, LLC | Headwater Energy, LLC | Olathe, CO | Public Service Company of Colorado (PSCO) | 14.4 GWh | May 2022 | Dec 2025 | Solar |
| Bani Solar | Bani Solar, LLC | Olanta, SC | Duke Energy Progress East (CPLE) | 4.2 GWh | Jan 2021 | Dec 2025 | Solar |
| Munro Valley Solar | Ecos Energy LLC | Olancha, CA | California Independent System Operator (CISO) | 8.7 GWh | Sep 2016 | Dec 2025 | Solar |
| Owens Valley Solar Project 11 | Los Angeles Department of Water & Power | Olancha, CA | Los Angeles Department of Water and Power (LDWP) | 2.7 GWh | Nov 2016 | Dec 2025 | Solar |
| Haiwee | Los Angeles Department of Water & Power | Olancha, CA | Los Angeles Department of Water and Power (LDWP) | 11.0 GWh | Jun 1927 | Sep 2025 | Water |
| Electra Wind Farm | Electra Wind, LLC | Oklaunion, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 812.1 GWh | Oct 2016 | Dec 2025 | Wind |
| Frontier | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 471.3 GWh | Aug 1989 | Aug 2026 | Natural Gas |
| Mustang | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 523.8 GWh | Apr 1950 | Jul 2026 | Natural Gas : 99.2% Solar : 0.8% |
| Tinker | Oklahoma Gas & Electric Co | Oklahoma City, OK | Southwest Power Pool (SWPP) | 10.2 GWh | May 1971 | Dec 2025 | Natural Gas |
| Bluefield Preserve Solar | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 142.4 GWh | Dec 2022 | Aug 2026 | Solar |
| FPL Cavendish Solar Energy Center | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 122.2 GWh | Dec 2022 | Aug 2026 | Solar |
| Okeechobee Clean Energy Center | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 10.7 TWh | Feb 2019 | Aug 2026 | Natural Gas : 99.9% |
| Lakeside Solar Center | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 145.2 GWh | Nov 2020 | Aug 2026 | Solar |
| Covanta Lake County Energy | Covanta Lake Inc | Okahumpka, FL | Duke Energy Florida, Inc. (FPC) | 84.7 GWh | Aug 1990 | Aug 2026 | Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8% |
| Whitetail | Whitetail Wind Energy, LLC | Oilton, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 171.4 GWh | Nov 2012 | Dec 2025 | Wind |
| Somerset Windpower LLC | Sequitur Renewables, LLC | Ohiopyle, PA | PJM Interconnection, LLC (PJM) | 6.6 GWh | Nov 2001 | Aug 2026 | Wind |
| Big Sky Wind LLC | Big Sky Wind LLC | Ohio, IL | PJM Interconnection, LLC (PJM) | 816.6 GWh | Jan 2011 | Dec 2025 | Wind |
| H Neely Henry Dam | Alabama Power Co | Ohatchee, AL | Southern Company Services, Inc. - Trans (SOCO) | 180.9 GWh | May 1966 | Dec 2025 | Water |
| Flint River Operations | GFC - Flint River Mill | Oglethorpe, GA | Southern Company Services, Inc. - Trans (SOCO) | 440.4 GWh | Nov 1980 | Dec 2025 | Black Liquor : 80.6% Wood/Wood Waste Solids : 14.0% Natural Gas : 5.4% |
| Ogema | Greenbacker Renewable Energy Corporation | Ogema, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Feb 2024 | Dec 2025 | Solar |
| CES Heuvelton | Heuvelton Solar, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 6.5 GWh | Aug 2024 | Dec 2025 | Solar |
| Ogdensburg | Ampersand Ogdensburg Hydro, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 4.4 GWh | Nov 1987 | Dec 2025 | Water |
| Pine View Dam | City of Bountiful - (UT) | Ogden, UT | PacifiCorp East (PACE) | 3.4 GWh | May 1991 | Apr 2025 | Water |
| Pioneer | PacifiCorp | Ogden, UT | PacifiCorp East (PACE) | 10.4 GWh | May 1910 | Oct 2025 | Water |
| SF Auto O1 | Autoliv ASP, Inc. | Ogden, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.8 GWh | Nov 2023 | Dec 2025 | Solar |
| Whittier | Solar Planet Power | Ogden, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Feb 2019 | Dec 2025 | Solar |
| Washington St Community Solar Farm #3 | Generate Capital | Ogden, NY | New York Independent System Operator (NYIS) | 3.0 GWh | Mar 2020 | Dec 2025 | Solar |
| Washington St Community Solar Farm #1 | Generate Capital | Ogden, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Jan 2020 | Dec 2025 | Solar |
| Washington St Community Solar Farm #4 | Generate Capital | Ogden, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Jan 2020 | Dec 2025 | Solar |
| Beaver Creek Wind | MidAmerican Energy Co | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 TWh | Nov 2017 | Aug 2026 | Wind |
| Ogden | City of Ogden - (IA) | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 73.0 MWh | Jun 1951 | Dec 2025 | Distillate Fuel Oil |
| Kingsley | Central Nebraska Pub P&I Dist | Ogallala, NE | Southwest Power Pool (SWPP) | 49.4 GWh | Oct 1984 | Dec 2025 | Water |
| Odessa-Ector Power Plant | LaFrontera Holdings LLC | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 8.4 TWh | Jun 2001 | Aug 2026 | Natural Gas |
| Quail Run Energy Center | Quail Run Energy Partners, LP | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.1 TWh | Apr 2002 | Dec 2025 | Natural Gas |
| Oberon IB | Oberon Solar IB | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 46.3 GWh | Jun 2020 | Aug 2026 | Solar |
| Oberon IA | Oberon Solar IA | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 251.7 GWh | Jun 2020 | Aug 2026 | Solar |
| Rockhound A | Origis Energy USA, Inc | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 216.6 GWh | - | Aug 2026 | Solar |
| Swift Air Solar III | Origis Energy USA, Inc | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 206.0 GWh | Oct 2025 | Aug 2026 | Solar |
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 |