Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Old Bridge Solar Farm | NJR Clean Energy Ventures Corporation | Old Bridge, NJ | PJM Interconnection, LLC (PJM) | 13.4 GWh | Jul 2018 | Dec 2025 | Solar |
| Sweeny Cogen Facility | Sweeny Cogeneration LLC | Old Ocean, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.2 TWh | Jul 1997 | May 2026 | Natural Gas : 71.7% Other Gas : 28.3% |
| Stillwater B | Brookfield Black Bear Hydro, LLC | Old Town, ME | ISO New England (ISNE) | 9.4 GWh | Aug 2013 | Dec 2025 | 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) | 177.0 GWh | Apr 1955 | Dec 2025 | Water |
| 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% |
| 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 East | CleanCapital Holdings | Olean, NY | New York Independent System Operator (NYIS) | 1.8 GWh | Apr 2019 | Dec 2025 | Solar |
| Homer Street West | CleanCapital Holdings | Olean, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Apr 2019 | Dec 2025 | Solar |
| SR West Marshall, LLC | SR West Marshall, LLC | Olive Branch, MS | Tennessee Valley Authority (TVA) | 108.0 MWh | Nov 2025 | Dec 2025 | Solar |
| SR Russellville | SR Russellville, LLC | Olmstead, KY | Tennessee Valley Authority (TVA) | 389.8 GWh | Aug 2024 | May 2026 | Solar |
| Olney Solar II CSG | Olney Solar II, LLC | Olney, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | May 2021 | Dec 2025 | Solar |
| Trinity Hills | Trinity Hills Wind Farm LLC | Olney, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 809.6 GWh | Nov 2011 | May 2026 | Wind |
| North Omaha | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 1.6 TWh | Jun 1954 | May 2026 | Subbituminous Coal : 92.6% Natural Gas : 7.4% |
| Jones Street | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 9.9 GWh | May 1973 | Dec 2025 | Distillate Fuel Oil |
| Missouri River Wastewater Treatment | City of Omaha - (NE) | Omaha, NE | Southwest Power Pool (SWPP) | 10.2 GWh | Mar 1985 | May 2026 | Other Biomass Gas : 99.8% |
| 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 |
| Onancock Diesel Generation Facility | Old Dominion Electric Coop | Onancock, VA | PJM Interconnection, LLC (PJM) | 578.0 MWh | Oct 2002 | Dec 2025 | Distillate Fuel Oil |
| Kleber | Tower Kleber Ltd Partnership | Onaway, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Dec 1924 | Dec 2024 | Water |
| Winema Solar Partners | Winema Solar Partners, LLC | Oneida, NY | New York Independent System Operator (NYIS) | 8.7 GWh | Feb 2024 | Dec 2025 | Solar |
| 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) | 247.7 GWh | May 1985 | May 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 |
| SunE- E Philadelphia Ontario | SunEdison LLC | Ontario, CA | California Independent System Operator (CISO) | 1.5 GWh | Feb 2016 | 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 |
| Kaiser Ontario | Bloom Energy 2009 PPA | Ontario, CA | California Independent System Operator (CISO) | 7.7 GWh | Sep 2012 | Dec 2025 | Natural Gas |
| Oltmans SCE at Champagne | California PV Energy LLC | Ontario, CA | California Independent System Operator (CISO) | 1.6 GWh | Nov 2013 | 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 |
| PVN Milliken, LLC | PVN Milliken, LLC | Ontario, CA | California Independent System Operator (CISO) | 5.1 GWh | May 2017 | Dec 2025 | Solar |
| 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 |
| R E Ginna Nuclear Power Plant | Constellation Nuclear | Ontario, NY | New York Independent System Operator (NYIS) | 4.7 TWh | Jun 1970 | May 2026 | Nuclear |
| Verde Light Community Solar | Verde Light Community Solar LLC | Ontario, OR | Idaho Power Company (IPCO) | 6.8 GWh | Nov 2023 | Dec 2025 | Solar |
| Railroad Solar Center, LLC | Cypress Creek Renewables | Ontario, OR | Idaho Power Company (IPCO) | 10.0 GWh | Oct 2016 | May 2026 | Solar |
| Hyline Solar Center, LLC | Cypress Creek Renewables | Ontario, OR | Idaho Power Company (IPCO) | 19.5 GWh | Sep 2016 | May 2026 | Solar |
| Ontario Solar Center | Adapture Renewables, Inc. | Ontario, OR | Idaho Power Company (IPCO) | 7.5 GWh | Apr 2020 | Dec 2025 | Solar |
| Morgan Solar Center | Adapture Renewables, Inc. | Ontario, OR | Idaho Power Company (IPCO) | 7.3 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 |
| Northeastern | Public Service Co of Oklahoma | Oologah, OK | Southwest Power Pool (SWPP) | 4.2 TWh | Mar 1961 | May 2026 | Natural Gas : 73.7% Subbituminous Coal : 26.3% |
| Prairie Ronde Solar Farm | Lightsource Renewable Energy Asset Management, LLC | Opelousas, LA | Midcontinent Independent System Operator, Inc. (MISO) | 257.3 GWh | Oct 2024 | May 2026 | Solar |
| Galesburg Solar Array | 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) | 61.0 MWh | Oct 1990 | Dec 2025 | Natural Gas : 68.4% Distillate Fuel Oil : 31.6% |
| OSG Solar 1 LLC | Navisun LLC | Orange, MA | ISO New England (ISNE) | 3.1 GWh | Jun 2012 | Dec 2025 | Solar |
| Wilbur Woods Solar LLC | AES Distributed Energy | Orange, MA | ISO New England (ISNE) | 7.8 GWh | Aug 2021 | 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 |
| 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 |
| Sabine River Operations | The Dow Chemical Company | Orange, TX | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 TWh | Dec 1947 | May 2026 | Natural Gas : 99.5% |
| Sabine | Entergy Texas Inc. | Orange, TX | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 TWh | Dec 1961 | May 2026 | Natural Gas |
| Rowesville Rd Plant | City of Orangeburg - (SC) | Orangeburg, SC | Duke Energy Carolinas (DUK) | 928.0 MWh | May 1994 | 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 |
| Bull Street Plant | City of Orangeburg - (SC) | Orangeburg, SC | Duke Energy Carolinas (DUK) | 132.0 MWh | Mar 2005 | 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 |
| 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% |
| 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 |
| 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 |
| Orefield | Madison Energy Investments LLC | Orefield, PA | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2024 | Dec 2025 | Solar |
| SulusSolar17 | Adapture Renewables, Inc. | Oregon City, OR | Portland General Electric Company (PGE) | 4.1 GWh | May 2020 | Dec 2024 | Solar |
| OE IL Solar 3 | OE IL Solar 3, LLC | Oregon, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | Feb 2022 | Dec 2025 | Solar |
| Oregon Clean Energy Center | Oregon Clean Energy Center | Oregon, OH | PJM Interconnection, LLC (PJM) | 5.9 TWh | Jun 2017 | May 2026 | Natural Gas |
| FirstEnergy Bay Shore | Walleye Power, LLC | Oregon, OH | PJM Interconnection, LLC (PJM) | 1.0 TWh | Jul 1955 | Dec 2024 | Petroleum Coke : 99.8% |
| Toledo Ref Power Recovery Train | Toledo Refining Company | Oregon, OH | PJM Interconnection, LLC (PJM) | 81.5 MWh | May 1986 | Jul 2025 | Petroleum Coke |
| OR - Green Key - Buckner CSG | Buckner Creek Solar, LLC | Oregon, OR | Portland General Electric Company (PGE) | 847.0 MWh | Apr 2025 | Dec 2025 | Solar |
| Bulldog | Bulldog Wind Energy, LLC | Orient, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Sep 2010 | Dec 2025 | Wind |
| Cumberland Rose | Cumberland Rose Wind Energy, LLC | Orient, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Jul 2012 | Dec 2025 | Wind |
| Orient Wind Farm | MidAmerican Energy Co | Orient, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 TWh | Nov 2018 | May 2026 | Wind |
| Eagle Valley (MI) | WM Renewable Energy LLC | Orion, MI | Midcontinent Independent System Operator, Inc. (MISO) | 23.0 GWh | Jun 2011 | Dec 2025 | Landfill Gas |
| Judd Road Solar | Novis Renewables, LLC | Oriskany, NY | New York Independent System Operator (NYIS) | 7.7 GWh | Feb 2022 | Dec 2025 | Solar |
| Oneida County- DPW | Tesla Inc. | Oriskany, NY | ISO New England (ISNE) | 1.4 GWh | Sep 2017 | Dec 2025 | Solar |
| Hayhurst Texas Solar | Hayhurst Texas Solar | Orla, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 70.1 GWh | Mar 2024 | Dec 2025 | Solar |
| Black Butte | City of Santa Clara - (CA) | Orland, CA | California Independent System Operator (CISO) | 9.0 GWh | Aug 1988 | Dec 2025 | Water |
| Adapture CA2, LLC | Adapture Renewables, Inc. | Orland, CA | PacifiCorp West (PACW) | 3.2 GWh | Feb 2016 | Dec 2025 | Solar |
| Walt Disney World Solar Facility | Duke Energy Florida Solar Solutions | Orlando, FL | Duke Energy Florida, Inc. (FPC) | 7.5 GWh | Feb 2016 | Dec 2025 | Solar |
| ACE-Stanton A PV | ACE-Stanton A, LLC | Orlando, FL | Florida Municipal Power Pool (FMPP) | 8.0 GWh | Aug 2017 | Dec 2025 | Solar |
| ACE-Stanton PV | ACE-Stanton, LLC | Orlando, FL | Florida Municipal Power Pool (FMPP) | 8.7 GWh | Aug 2017 | Dec 2025 | Solar |
| Lockheed Martin Solar | Lockheed Martin RMS | Orlando, FL | Duke Energy Florida, Inc. (FPC) | 2.1 GWh | Sep 1998 | Dec 2025 | Solar : 97.8% Distillate Fuel Oil : 2.2% |
| Taylor Creek Solar | Taylor Creek Solar LLC | Orlando, FL | Florida Municipal Power Pool (FMPP) | 178.9 GWh | May 2020 | May 2026 | Solar |
| RP-Orlando, LLC | Duke Energy Renewables Services | Orlando, FL | Duke Energy Florida, Inc. (FPC) | 8.2 GWh | Nov 2011 | Dec 2025 | Solar |
| Orlando Cogen LP | Florida Municipal Power Agency (FL) | Orlando, FL | Duke Energy Florida, Inc. (FPC) | 704.8 GWh | Aug 1993 | Dec 2024 | Natural Gas |
| Stanton Energy Center | Orlando Utilities Comm | Orlando, FL | Florida Municipal Power Pool (FMPP) | 5.4 TWh | Jun 1987 | May 2026 | Bituminous Coal : 55.8% Natural Gas : 43.6% Landfill Gas : 0.6% |
| Curtis H Stanton Energy Center | Stanton Clean Energy LLC | Orlando, FL | Duke Energy Florida, Inc. (FPC) | 3.4 TWh | Sep 2003 | May 2026 | Natural Gas |
| Wagon Wheel Wind | Southwestern Electric Power Co | Orlando, OK | Southwest Power Pool (SWPP) | 801.0 GWh | Nov 2025 | Mar 2026 | Wind |
| OYA Robinson Road | SunStrong Management, LLC | Orleans, NY | New York Independent System Operator (NYIS) | 10.2 GWh | May 2022 | Dec 2025 | Solar |
| Alamo Solar | Onward Energy | Oro Grande, CA | California Independent System Operator (CISO) | 49.3 GWh | Apr 2015 | Dec 2025 | Solar |
| Oro Loma | RWE Clean Energy | Oro Loma, CA | California Independent System Operator (CISO) | 49.2 GWh | Dec 2016 | Dec 2025 | Solar |
| Canyon Del Oro High School Solar | Luminace Solar Arizona 2, LLC | Oro Valley, AZ | Tucson Electric Power (TEPC) | 2.2 GWh | Oct 2016 | Dec 2025 | Solar |
| Orono B | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 17.2 GWh | Oct 2013 | Dec 2025 | Water |
| Orono Hydro Station | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 6.2 GWh | Dec 2008 | Dec 2025 | Water |
| Thermalito Diverson Dam | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 10.3 GWh | Jun 1987 | Dec 2025 | Water |
| Kelly Ridge | South Feather Water and Power Agency | Oroville, CA | California Independent System Operator (CISO) | 69.1 GWh | Aug 1963 | Dec 2025 | Water |
| Edward C Hyatt | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 2.0 TWh | Feb 1968 | May 2026 | Water |
| Thermalito | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 302.3 GWh | Jan 1968 | May 2026 | Water |
| Oroville Cogeneration, LLC | Apex Power Generation Corp. | Oroville, CA | California Independent System Operator (CISO) | 115.6 MWh | Dec 1989 | Dec 2025 | Natural Gas |
| Butte College Main Campus Solar | Butte-Glenn Community College District | Oroville, CA | California Independent System Operator (CISO) | 6.6 GWh | Jun 2011 | Dec 2025 | Solar |
| Orrtanna | Orrtanna Power, LLC | Orrtanna, PA | PJM Interconnection, LLC (PJM) | 417.0 MWh | Apr 1971 | Dec 2025 | Distillate Fuel Oil |
| Walters Solar (FLS 260) | Cypress Creek Renewables | Orrum, NC | Duke Energy Progress East (CPLE) | 7.0 GWh | Jul 2015 | Dec 2025 | Solar |
| DG AMP Solar Orrville 3 | DG AMP Solar, LLC | Orrville, OH | PJM Interconnection, LLC (PJM) | 3.2 GWh | Jan 2018 | Dec 2025 | Solar |
| Orrville | City of Orrville - (OH) | Orrville, OH | PJM Interconnection, LLC (PJM) | 29.3 GWh | Dec 1948 | Dec 2025 | Bituminous Coal : 54.3% Natural Gas : 45.7% |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |