Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| OTHERTraditionBuffalo | Texas Microgrid, LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 202.0 MWh | May 2024 | Dec 2024 | Natural Gas |
| OTHERTraditionClearfork | Texas Microgrid, LLC | Fort Worth, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 205.0 MWh | Mar 2023 | Dec 2024 | Natural Gas |
| Otis Elevator Company Solar | Otis Elevator Company | Florence, SC | Duke Energy Carolinas (DUK) | 1.5 GWh | Apr 2018 | Dec 2024 | Solar |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 29.3 GWh | Dec 1984 | Oct 2025 | Water |
| Otoe Solar Power Generation Station 1 LL | AES Distributed Energy | Apple Valley, CA | California Independent System Operator (CISO) | 3.4 GWh | Nov 2013 | Dec 2024 | Solar |
| Otsego Mill Power Plant | Otsego Paper Inc | Otsego, MI | Midcontinent Independent System Operator, Inc. (MISO) | 165.5 GWh | Oct 1995 | Dec 2024 | Natural Gas |
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 978.0 MWh | Mar 1983 | Dec 2024 | Water |
| Ottawa | City of Ottawa - (KS) | Ottawa, KS | Southwest Power Pool (SWPP) | 689.0 MWh | Nov 1958 | Dec 2024 | Natural Gas : 74.5% Distillate Fuel Oil : 25.5% |
| Otter Creek Ethanol Poet - Ashton | Otter Creek Ethanol LLC - Poet Ashton | Ashton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 43.8 GWh | Feb 2004 | Oct 2025 | Natural Gas |
| Otter Creek Solar | Dominion Energy Inc. | Chase City, VA | PJM Interconnection, LLC (PJM) | 127.8 GWh | Sep 2023 | Oct 2025 | Solar |
| Otter Creek Wind Farm LLC | Avangrid Power LLC | Ransom, IL | PJM Interconnection, LLC (PJM) | 439.3 GWh | Feb 2020 | Oct 2025 | Wind |
| Ottumwa | Interstate Power and Light Co | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.8 TWh | Apr 1981 | Oct 2025 | Subbituminous Coal : 99.7% |
| Ottumwa City of | Ottumwa City of | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | Jul 1931 | Apr 2024 | Water |
| OU Spirit Wind Farm | Oklahoma Gas & Electric Co | Woodward, OK | Southwest Power Pool (SWPP) | 136.4 GWh | Nov 2009 | Dec 2024 | Wind |
| Ouachita | Entergy Louisiana LLC | Sterlington, LA | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 TWh | Jul 2002 | Oct 2025 | Natural Gas |
| Ouchchy PV1 | Ecoplexus, Inc | Mebane, NC | Duke Energy Carolinas (DUK) | 5.3 GWh | Nov 2015 | Dec 2024 | Solar |
| Outback Solar At Christmas Valley | Outback Solar, LLC | Christmas Valley, OR | Bonneville Power Administration (BPAT) | 6.6 GWh | Sep 2012 | Dec 2024 | Solar |
| Overall Road Station | City of Farmington - (MO) | Farmington, MO | Midcontinent Independent System Operator, Inc. (MISO) | 26.0 MWh | Feb 2003 | Dec 2024 | Distillate Fuel Oil |
| Overhill Solar | Strata Manager, LLC | Clinton, NC | Duke Energy Carolinas (DUK) | 10.9 GWh | Feb 2022 | Dec 2024 | Solar |
| Overland | Greenbacker Renewable Energy Corporation | Hudson, CO | Public Service Company of Colorado (PSCO) | 698.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Overlook | Westbound Solar 3, LLC | Westminster, MA | ISO New England (ISNE) | 6.9 GWh | Feb 2023 | Dec 2024 | Solar |
| Overman Solar | Overman Solar, LLC | Goldsboro, NC | Duke Energy Progress East (CPLE) | 10.7 GWh | Nov 2021 | Dec 2024 | Solar |
| Owatonna | City of Owatonna - (MN) | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 GWh | Mar 1982 | Dec 2023 | Natural Gas |
| Owatonna Energy Station | Southern Minnesota Mun P Agny | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 13.4 GWh | Feb 2018 | Dec 2024 | Natural Gas |
| Owen Solar | Owen Solar LLC | Lincolnton, NC | Duke Energy Carolinas (DUK) | 8.0 GWh | Mar 2016 | Dec 2024 | Solar |
| Owens Corning | MN8 Energy LLC | Gloucester Township, NJ | PJM Interconnection, LLC (PJM) | 4.1 GWh | Nov 2016 | Dec 2024 | Solar |
| Owens Corning at Bethlehem | Luminace Solar Holding, LLC | Bethlehem, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Sep 2013 | Dec 2024 | Solar |
| Owens Corning Headquarters | Luminace Solar Holding, LLC | Toledo, OH | PJM Interconnection, LLC (PJM) | 1.6 GWh | Aug 2015 | 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 |
| Owlville Creek Solar 2, LLC | Owlville Creek Solar 2, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 7.8 GWh | Nov 2020 | Dec 2024 | Solar |
| Owlville Creek Solar, LLC | Owlville Creek Solar, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Nov 2020 | Dec 2024 | Solar |
| Owyhee Dam Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 27.6 GWh | Jul 1985 | Oct 2024 | Water |
| Oxbow (CA) | Placer County Water Agency | Foresthill, CA | California Independent System Operator (CISO) | 29.2 GWh | Sep 1966 | Sep 2024 | Water |
| Oxbow Creek | Oxbow Creek Energy LLC | Factoryville, PA | PJM Interconnection, LLC (PJM) | 41.0 GWh | Nov 2019 | Dec 2024 | Natural Gas |
| Oxbow (OR) | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 965.3 GWh | Jun 1961 | Dec 2024 | Water |
| Oxbow Solar 1 | Lightsource Renewable Energy Asset Management, LLC | New Roads, LA | Midcontinent Independent System Operator, Inc. (MISO) | 561.5 GWh | Jun 2024 | Oct 2025 | Solar |
| Oxford | CVI CleanCapital Solar 6 | Oxford, MA | ISO New England (ISNE) | 4.2 GWh | Jun 2014 | Dec 2024 | Solar |
| Oxford Dam | Duke Energy Carolinas, LLC | Conover, NC | Duke Energy Carolinas (DUK) | 91.9 GWh | Mar 1928 | Dec 2024 | Water |
| Oxford (KS) | City of Oxford - (KS) | Oxford, KS | Southwest Power Pool (SWPP) | 10.0 MWh | Jun 1999 | Dec 2024 | Distillate Fuel Oil |
| Oxford (NE) | Village of Oxford - (NE) | Oxford, NE | Southwest Power Pool (SWPP) | 27.0 MWh | Jul 1953 | Dec 2024 | Natural Gas : 89.8% Distillate Fuel Oil : 10.2% |
| Oxford PV - BD Solar Oxford LLC | BD Solar Oxford LLC | Oxford, ME | ISO New England (ISNE) | 14.7 GWh | May 2021 | Dec 2024 | Solar |
| Oxford Solar | Citizens Enterprises Corporation | Oxford, MA | ISO New England (ISNE) | 6.3 GWh | Jan 2020 | Dec 2024 | Solar |
| Oxnard | Procter&Gamble Paper Products Co-Oxnard | Oxnard, CA | California Independent System Operator (CISO) | 476.2 GWh | Jun 1982 | Oct 2025 | Natural Gas |
| Oxnard Paper Mill | New-Indy, Oxnard LLC | Oxnard, CA | California Independent System Operator (CISO) | 134.5 GWh | Feb 1986 | Oct 2025 | Natural Gas |
| Oxnard Wastewater Treatment Plant | Oxnard City of | Oxnard, CA | California Independent System Operator (CISO) | 4.2 GWh | Jul 1981 | Oct 2025 | Other Biomass Gas : 95.1% Natural Gas : 4.9% |
| Oxon Run CREF | Oxon Run Community Renewable Energy Facility | Washington, DC | PJM Interconnection, LLC (PJM) | 1.5 GWh | Nov 2021 | Dec 2024 | Solar |
| Oxy Renewable Energy - Goldsmith | Oxy Renewable Energy LLC | Goldsmith, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 40.5 GWh | Apr 2020 | Dec 2024 | Solar |
| OYA Church Road | OYA Church Road A LLC | Baldwinsville, NY | New York Independent System Operator (NYIS) | 8.2 GWh | Nov 2022 | Dec 2024 | Solar |
| OYA Main Street | OYA Main Street LLC | York, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Nov 2022 | Dec 2024 | Solar |
| OYA Pulaski | OYA Pulaski LLC | Pulaski, NY | New York Independent System Operator (NYIS) | 5.8 GWh | Oct 2022 | Dec 2024 | Solar |
| OYA Robinson Road | OYA Robinson Road, LLC | Orleans, NY | New York Independent System Operator (NYIS) | 9.7 GWh | May 2022 | Dec 2024 | Solar |
| OYA State Route 122 | OYA State Route 122, LLC | Constable, NY | New York Independent System Operator (NYIS) | 6.9 GWh | Nov 2021 | Dec 2024 | Solar |
| OYA Wayside Drive | OYA Wayside Drive LLC | Watertown, NY | New York Independent System Operator (NYIS) | 8.0 GWh | Sep 2022 | Dec 2024 | Solar |
| Oyster Creek Unit VIII | Dow Chemical Company-Oyster Creek VIII | Freeport, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 2.4 TWh | Sep 1994 | Oct 2025 | Natural Gas : 99.8% |
| Ozark | USCE-Little Rock District | Ozark, AR | Southwestern Power Administration (SPA) | 314.7 GWh | Oct 1972 | Dec 2024 | Water |
| Ozark Beach | Empire District Electric Co | Forsyth, MO | Southwest Power Pool (SWPP) | 53.2 GWh | May 1931 | Dec 2024 | Water |
| Ozark Solar Park | Today's Power, Inc. | Lincoln, AR | Southwest Power Pool (SWPP) | 4.5 GWh | Jun 2021 | Dec 2024 | Solar |
| Ozarks Natural Energy Community Solar | Ozarks Electric Coop Corp - (AR) | Springdale, AR | Southwest Power Pool (SWPP) | 935.0 MWh | Mar 2016 | Dec 2024 | Solar |
| P L Bartow | Duke Energy Florida, LLC | St. Petersburg, FL | Duke Energy Florida, Inc. (FPC) | 6.1 TWh | Apr 1972 | Oct 2025 | Natural Gas |
| P Plant | Qualcomm Incorporated | San Diego, CA | California Independent System Operator (CISO) | 30.5 GWh | Feb 2007 | Jul 2024 | Natural Gas |
| P52ES 1755 Henryton Rd Phase 1 LLC CSG | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | May 2021 | Dec 2024 | Solar |
| P52ES 1755 Henryton Rd Phase 2 LLC | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | May 2021 | Dec 2024 | Solar |
| P66 Rodeo Solar | P66 Rodeo Solar | Rodeo, CA | California Independent System Operator (CISO) | 37.6 GWh | Mar 2023 | Oct 2025 | Solar |
| PA Solar Park | Consolidated Edison Development Inc. | Nesquehoning, PA | PJM Interconnection, LLC (PJM) | 12.5 GWh | Sep 2012 | Oct 2025 | Solar |
| PA Solar Park II | Consolidated Edison Development Inc. | Nesquehoning, PA | PJM Interconnection, LLC (PJM) | 15.5 GWh | Dec 2019 | Dec 2024 | Solar |
| Pacific Canyon Windfarm LLC | Echo 1 | Echo, OR | PacifiCorp West (PACW) | 18.2 GWh | May 2009 | Dec 2024 | Wind |
| Pacific Ethanol Madera Solar Array | Seaboard Energy California, LLC | Madera, CA | California Independent System Operator (CISO) | 1.6 GWh | Jul 2018 | Dec 2024 | Solar |
| Pacific-Ultrapower Chinese Station | IHI Power Services Corp | Jamestown, CA | California Independent System Operator (CISO) | 137.9 GWh | Sep 1986 | Oct 2025 | Wood/Wood Waste Solids : 99.7% |
| Pacific Wind LLC | EDF Renewable Asset Holdings, Inc. | Rosamond, CA | California Independent System Operator (CISO) | 311.2 GWh | Jul 2012 | Dec 2024 | Wind |
| Packaging Corp of America | Packaging Corp of America | Counce, TN | Tennessee Valley Authority (TVA) | 432.0 GWh | Jan 1985 | Oct 2025 | Black Liquor : 58.9% Wood/Wood Waste Solids : 22.2% Natural Gas : 18.8% |
| Packaging Corp. of America Jackson Mill | Boise White Paper LLC | Jackson, AL | Southern Company Services, Inc. - Trans (SOCO) | 223.3 GWh | May 1996 | Dec 2024 | Black Liquor : 45.2% Natural Gas : 37.0% Wood/Wood Waste Solids : 13.9% Other Fuel : 3.2% Distillate Fuel Oil : 0.7% |
| Packaging of America Tomahawk Mill | PCA-Tomahawk Mill | Tomahawk, WI | Midcontinent Independent System Operator, Inc. (MISO) | 111.3 GWh | Dec 1919 | Dec 2024 | Wood/Wood Waste Solids : 35.7% Natural Gas : 34.2% Black Liquor : 18.1% Water : 11.7% |
| Packwood | Energy Northwest | Packwood, WA | Bonneville Power Administration (BPAT) | 63.0 GWh | Mar 1964 | Dec 2024 | Water |
| Paddock Solar | Wisconsin Power & Light Co | Beloit, WI | Midcontinent Independent System Operator, Inc. (MISO) | 133.0 GWh | Oct 2023 | Oct 2025 | Solar |
| Paddys Run | Louisville Gas & Electric Co | Louisville, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 60.4 GWh | May 1968 | Oct 2025 | Natural Gas |
| Padelford Solar | Consolidated Edison Solutions Inc. | Berkley, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2012 | Dec 2024 | Solar |
| Page Solar | Page Solar Farm, LLC | Willow Spring, NC | Duke Energy Progress East (CPLE) | 2.5 GWh | Nov 2018 | Dec 2024 | Solar |
| Painesville | City of Painesville | Painesville, OH | PJM Interconnection, LLC (PJM) | 1.0 GWh | Dec 1948 | Dec 2024 | Bituminous Coal : 60.0% Natural Gas : 34.1% Distillate Fuel Oil : 6.0% |
| Painted Hills Wind Park | Terra-Gen Operating Co-Wind | Whitewater, CA | California Independent System Operator (CISO) | 173.1 GWh | Oct 1985 | Oct 2025 | Wind |
| Pakini Nui Wind Farm | Apollo Energy Corp | Naalehu, HI | 111.8 GWh | Mar 2007 | Oct 2025 | Wind | |
| Palaau Power Hybrid | Maui Electric Co Ltd | Kaunakakai, HI | 31.3 GWh | Mar 1982 | Dec 2024 | Distillate Fuel Oil | |
| Palisades Dam | U S Bureau of Reclamation | Palisades, ID | Bonneville Power Administration (BPAT) | 744.4 GWh | Jan 1957 | Dec 2024 | Water |
| Palm Bay Solar | Florida Power & Light Co | Palm Bay, FL | Florida Power & Light Co. (FPL) | 147.0 GWh | Feb 2021 | Oct 2025 | Solar |
| Palm Beach Renewable Energy Facility 1 | Solid Waste Authority of Palm Beach Co | West Palm Beach, FL | Florida Power & Light Co. (FPL) | 349.9 GWh | Apr 1989 | Oct 2025 | Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.8% |
| Palm Beach Renewable Energy Facility 2 | Solid Waste Authority of Palm Beach Co | West Palm Beach, FL | Florida Power & Light Co. (FPL) | 503.4 GWh | Jun 2015 | Oct 2025 | Non-biogenic Municipal Solid Waste : 54.4% Biogenic Municipal Solid Waste : 44.5% Natural Gas : 1.1% |
| Palmas Wind, LLC | Acciona Energy USA Global, LLC | Rio Hondo, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 361.3 GWh | Oct 2020 | Oct 2025 | Wind |
| Palmer | AES Distributed Energy | Palmer, MA | ISO New England (ISNE) | 5.9 GWh | Sep 2019 | Dec 2024 | Solar |
| Palmer Community Solar LLC CSG | Palmer Community Solar LLC | North Branch, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Jul 2021 | Dec 2024 | Solar |
| Palmer Creek Solar, LLC | Greenbacker Renewable Energy Corporation | Dayton, OR | Portland General Electric Company (PGE) | 3.0 GWh | Oct 2020 | Dec 2024 | Solar |
| Palmer Landfill | Syncarpha Bondsville, LLC | Palmer, MA | ISO New England (ISNE) | 6.3 GWh | Nov 2016 | Dec 2024 | Solar |
| Palmer's Creek Wind Farm, LLC | Palmer's Creek Wind Farm, LLC | Granite Falls, MN | Southwest Power Pool (SWPP) | 130.9 GWh | Nov 2018 | Oct 2025 | Wind |
| Palmer Solar | Duke Energy Renewables Services | Fountain, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 140.0 GWh | Mar 2020 | Oct 2025 | Solar |
| Palmer Solar Center | Arevon Energy, Inc. | Troy, VA | PJM Interconnection, LLC (PJM) | 10.2 GWh | Nov 2017 | Oct 2025 | Solar |
| Palmetto Plains | Cubico USA, LLC | Bowman, SC | Dominion Energy South Carolina, Inc. (SCEG) | 124.3 GWh | Jun 2019 | Oct 2025 | Solar |
| Palmyra PV - BD Solar Palmyra LLC | BD Solar Palmyra LLC | Palmyra, ME | ISO New England (ISNE) | 8.5 GWh | May 2022 | Dec 2024 | Solar |
| Palo Alto Wind Farm | MidAmerican Energy Co | Emmetsburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 TWh | Dec 2019 | Oct 2025 | Wind |
| Palo Duro Wind | Palo Duro Wind | Perryton, TX | Southwest Power Pool (SWPP) | 757.4 GWh | Nov 2014 | Oct 2025 | Wind |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 32.0 TWh | Dec 1985 | Oct 2025 | Nuclear |
| Palo Verde College | Scale Sustainable I, LLC | Blythe, CA | California Independent System Operator (CISO) | 2.0 GWh | Jul 2009 | Dec 2024 | Solar |
| Paloma Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 31.9 GWh | Aug 2011 | Dec 2024 | Solar |
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 |