Directory of Power Plants in the United States
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
Okeelanta Cogeneration | New Hope Power Company | South Bay, FL | Florida Power & Light Co. (FPL) | 40.4 GWh | Dec 1995 | Aug 2024 | Agricultural By-Products : 93.8% Natural Gas : 6.2% |
Orrville | City of Orrville - (OH) | Orrville, OH | PJM Interconnection, LLC (PJM) | 20.8 GWh | Dec 1948 | Nov 2023 | Bituminous Coal : 66.6% Natural Gas : 33.4% |
Overall Road Station | City of Farmington - (MO) | Farmington, MO | Midcontinent Independent System Operator, Inc. (MISO) | 32.0 MWh | Feb 2003 | Dec 2023 | Distillate Fuel Oil |
Oxford (KS) | City of Oxford - (KS) | Oxford, KS | Southwest Power Pool (SWPP) | 6.0 MWh | Jun 1999 | Dec 2022 | Distillate Fuel Oil |
Osawatomie City of | City of Osawatomie - (KS) | Osawatomie, KS | Southwest Power Pool (SWPP) | 10.0 MWh | Sep 1950 | Dec 2023 | Distillate Fuel Oil |
Osawatomie Power Plant North Sub | City of Osawatomie - (KS) | Osawatomie, KS | Southwest Power Pool (SWPP) | 5.0 MWh | Apr 2018 | Dec 2023 | Distillate Fuel Oil |
Orange Street G1 | Town of Bedford - (VA) | Bedford, VA | PJM Interconnection, LLC (PJM) | 211.0 MWh | Jun 2005 | Dec 2023 | Distillate Fuel Oil |
Old Faithful | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 249.0 MWh | Nov 1979 | Dec 2023 | Distillate Fuel Oil |
Orca | Cordova Electric Coop, Inc | Cordova, AK | 6.3 GWh | Sep 1984 | Dec 2023 | Distillate Fuel Oil | |
Osawatomie Power Plant South Sub | City of Osawatomie - (KS) | Osawatomie, KS | Southwest Power Pool (SWPP) | 6.0 MWh | Feb 2017 | Dec 2023 | Distillate Fuel Oil |
Onancock Diesel Generation Facility | Old Dominion Electric Coop | Onancock, VA | PJM Interconnection, LLC (PJM) | 122.0 MWh | Oct 2002 | Dec 2023 | Distillate Fuel Oil |
Oberlin (KS) | City of Oberlin - (KS) | Oberlin, KS | Southwest Power Pool (SWPP) | 3.9 MWh | Dec 1953 | Dec 2023 | Distillate Fuel Oil |
Oak Bluffs Diesel Generating Facility | Vineyard Reliability LLC | Oak Bluffs, MA | ISO New England (ISNE) | 1.3 GWh | Dec 1968 | Dec 2023 | Distillate Fuel Oil |
Ogden | City of Ogden - (IA) | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Jun 1951 | Dec 2023 | Distillate Fuel Oil |
Orrville Peaking | American Mun Power-Ohio, Inc | Orrville, OH | PJM Interconnection, LLC (PJM) | 103.0 MWh | Jun 1999 | Dec 2023 | Distillate Fuel Oil |
Osborne | City of Osborne - (KS) | Osborne, KS | Southwest Power Pool (SWPP) | 7.8 MWh | May 1957 | Dec 2023 | Distillate Fuel Oil : 60.7% Natural Gas : 39.3% |
Ord | City of Ord - (NE) | Ord, NE | Southwest Power Pool (SWPP) | 59.0 MWh | Dec 1962 | Dec 2023 | Distillate Fuel Oil : 97.4% Natural Gas : 2.6% |
Ormesa I | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 101.7 GWh | Nov 1986 | Dec 2023 | Geothermal |
Ormesa II | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 95.0 GWh | Apr 1989 | Dec 2023 | Geothermal |
Ormesa III | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 68.5 GWh | Apr 1989 | Dec 2023 | Geothermal |
Onslow Power Producers | Cube District Energy, LLC | Jacksonville, NC | Duke Energy Carolinas (DUK) | 10.9 GWh | Oct 2013 | Dec 2023 | Landfill Gas |
Oak Ridge LFGTE | Wabash Valley Power Assn, Inc | Logansport, IN | Midcontinent Independent System Operator, Inc. (MISO) | 21.7 GWh | Nov 2003 | Dec 2023 | Landfill Gas |
Ocean County Landfill | EPP Renewable Energy | Manchester, NJ | PJM Interconnection, LLC (PJM) | 74.4 GWh | Jan 1997 | Aug 2024 | Landfill Gas |
Oneida Herkimer | WM Renewable Energy LLC | Boonville, NY | New York Independent System Operator (NYIS) | 26.3 GWh | Mar 2012 | Dec 2023 | Landfill Gas |
Ontario LFGTE | Seneca Energy II | Stanley, NY | New York Independent System Operator (NYIS) | 78.4 GWh | Oct 2003 | Dec 2023 | Landfill Gas |
Omega Hills Gas Recovery | WM Renewable Energy LLC | Germantown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 86.2 GWh | Nov 1985 | Aug 2024 | Landfill Gas |
Oak Grove Power Producers | Cube District Energy, LLC | Arcadia, KS | Southwest Power Pool (SWPP) | 20.2 GWh | Feb 2010 | Dec 2023 | Landfill Gas |
Onalaska Campus Landfill Biogas | Gundersen Lutheran Biogas I LLC | Onalaska, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | Feb 2012 | Dec 2023 | Landfill Gas |
Oak Grove (TX) | Luminant Generation Company LLC | Franklin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 10.7 TWh | Mar 2010 | Aug 2024 | Lignite Coal : 95.5% Natural Gas : 4.5% |
O W Sommers | City of San Antonio - (TX) | San Antonio, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.9 TWh | Mar 1972 | Dec 2023 | Natural Gas |
Ontelaunee Energy Center | Ontelaunee Energy Center | Reading, PA | PJM Interconnection, LLC (PJM) | 3.8 TWh | Apr 2002 | Aug 2024 | Natural Gas |
Ocotillo | Arizona Public Service Co | Tempe, AZ | Arizona Public Service Company (AZPS) | 583.7 GWh | Feb 1960 | Aug 2024 | Natural Gas |
OTHERTraditionClearfork | Texas Microgrid, LLC | Fort Worth, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 42.0 MWh | Mar 2023 | Dec 2023 | Natural Gas |
OTHERTexasA&M | Texas Microgrid, LLC | Bryan, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 2.1 GWh | Apr 2018 | Dec 2023 | Natural Gas |
OTHERNFBWA | Texas Microgrid, LLC | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 178.0 MWh | Jan 2021 | Dec 2023 | Natural Gas |
OTHERCitizensHospital | Texas Microgrid, LLC | Victoria, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 823.0 MWh | Mar 2020 | Dec 2023 | Natural Gas |
OBP Cogen | OBP Cogen LLC | New York, NY | New York Independent System Operator (NYIS) | 25.4 GWh | May 2010 | Dec 2023 | Natural Gas |
OTHERBenEKDallas | Generate ER-NG, LLC | Dallas, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 107.0 MWh | Apr 2023 | Dec 2023 | Natural Gas |
Olive View Medical Center | Los Angeles County DHS | Sylmar, CA | Los Angeles Department of Water and Power (LDWP) | 11.4 GWh | Jan 1987 | Feb 2024 | Natural Gas |
Osawatomie | Evergy Metro | Miami, KS | Southwest Power Pool (SWPP) | 44.0 GWh | May 2003 | Dec 2023 | Natural Gas |
Odyssey Energy Altura Cogen, LLC | Odyssey Operating Services | Channelview, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 3.5 TWh | Oct 1985 | Aug 2024 | Natural Gas |
Orlando Cogen LP | Orlando CoGen Ltd LP | Orlando, FL | Duke Energy Florida, Inc. (FPC) | 1.0 TWh | Aug 1993 | Dec 2023 | Natural Gas |
Otay Mesa Generating Project | Otay Mesa Energy Center LLC | San Diego, CA | California Independent System Operator (CISO) | 2.4 TWh | Sep 2009 | Aug 2024 | Natural Gas |
Oneta Energy Center | Oneta Power LLC | Broken Arrow, OK | Southwest Power Pool (SWPP) | 5.7 TWh | Jun 2002 | Aug 2024 | Natural Gas |
O H Hutchings | Kimura Power LLC | Miamisburg, OH | PJM Interconnection, LLC (PJM) | 208.0 MWh | Jun 1948 | Dec 2023 | Natural Gas |
Ormond Beach | Ormond Beach Power, LLC | Oxnard, CA | California Independent System Operator (CISO) | 44.9 GWh | Jul 1971 | Aug 2024 | Natural Gas |
Oroville Cogeneration LP | Oroville Cogeneration LP | Oroville, CA | California Independent System Operator (CISO) | 235.0 MWh | Dec 1989 | Dec 2023 | Natural Gas |
Osprey Energy Center Power Plant | Duke Energy Florida, LLC | Auburndale, FL | Tampa Electric Company (TEC) | 2.5 TWh | Apr 2004 | Aug 2024 | Natural Gas |
Oyster Creek Unit VIII | Dow Chemical Company-Oyster Creek VIII | Freeport, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 2.5 TWh | Sep 1994 | Aug 2024 | Natural Gas |
Otsego Mill Power Plant | Otsego Paper Inc | Otsego, MI | Midcontinent Independent System Operator, Inc. (MISO) | 161.2 GWh | Oct 1995 | Dec 2023 | Natural Gas |
Opryland USA | Gaylord Entertainment Co | Nashville, TN | Tennessee Valley Authority (TVA) | 26.7 GWh | Jun 1995 | Aug 2024 | Natural Gas |
Oxbow Creek | Oxbow Creek Energy LLC | Factoryville, PA | PJM Interconnection, LLC (PJM) | 62.4 GWh | Nov 2019 | Dec 2023 | Natural Gas |
Odessa-Ector Power Plant | LaFrontera Holdings LLC | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 7.3 TWh | Jun 2001 | Aug 2024 | Natural Gas |
Orange Cogeneration Facility | Northern Star Generation Services Co LLC | Bartow, FL | Duke Energy Florida, Inc. (FPC) | 391.0 GWh | Jan 1995 | Dec 2023 | Natural Gas |
Orange Grove Peaking Facility | Orange Grove Energy LP | Pala, CA | California Independent System Operator (CISO) | 18.1 GWh | May 2010 | Dec 2023 | Natural Gas |
OLS Energy Chino | OLS Energy-Chino | Chino, CA | California Independent System Operator (CISO) | 10.7 GWh | Nov 1987 | Dec 2023 | Natural Gas |
Orbit Bloom Fuel Cell | DG Fuel Cell, LLC | Medford, NY | New York Independent System Operator (NYIS) | 42.6 GWh | Jul 2020 | Dec 2023 | Natural Gas |
Oxnard | Procter&Gamble Paper Products Co-Oxnard | Oxnard, CA | California Independent System Operator (CISO) | 483.7 GWh | Jun 1982 | Aug 2024 | Natural Gas |
Oxnard Paper Mill | New-Indy, Oxnard LLC | Oxnard, CA | California Independent System Operator (CISO) | 193.1 GWh | Feb 1986 | Aug 2024 | Natural Gas |
Oak Point Cogen | Chevron Oronite Co LLC | Belle Chasse, LA | Midcontinent Independent System Operator, Inc. (MISO) | 92.8 GWh | Sep 1999 | Dec 2023 | Natural Gas |
Owatonna Energy Station | Southern Minnesota Mun P Agny | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 53.5 GWh | Feb 2018 | Dec 2023 | Natural Gas |
Owatonna | City of Owatonna - (MN) | Owatonna, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 GWh | Mar 1982 | Dec 2023 | Natural Gas |
One Market Plaza | Paramount Group Inc | San Francisco, CA | California Independent System Operator (CISO) | 993.0 MWh | Nov 2003 | Dec 2023 | Natural Gas |
Oregon Clean Energy Center | Oregon Clean Energy Center | Oregon, OH | PJM Interconnection, LLC (PJM) | 6.6 TWh | Jun 2017 | Aug 2024 | Natural Gas |
One Patriot | Bloom Energy | Foxborough, MA | ISO New England (ISNE) | 13.1 GWh | Nov 2019 | Dec 2023 | Natural Gas |
Ouachita | Entergy Louisiana LLC | Sterlington, LA | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 TWh | Jul 2002 | Aug 2024 | Natural Gas |
Oregon State University Energy Center | Oregon State University | Corvallis, OR | Bonneville Power Administration (BPAT) | 36.0 GWh | May 2010 | Aug 2024 | Natural Gas |
Otter Creek Ethanol Poet - Ashton | Otter Creek Ethanol LLC - Poet Ashton | Ashton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 44.8 GWh | Feb 2004 | Aug 2024 | Natural Gas |
Okeechobee Clean Energy Center | Florida Power & Light Co | Okeechobee, FL | Florida Power & Light Co. (FPL) | 11.1 TWh | Feb 2019 | Aug 2024 | Natural Gas |
Ottawa | City of Ottawa - (KS) | Ottawa, KS | Southwest Power Pool (SWPP) | 377.0 MWh | Nov 1958 | Dec 2023 | Natural Gas : 78.7% Distillate Fuel Oil : 21.3% |
Oberlin (OH) | City of Oberlin - (OH) | Oberlin, OH | PJM Interconnection, LLC (PJM) | 292.0 MWh | Dec 1947 | Dec 2023 | Natural Gas : 84.0% Distillate Fuel Oil : 16.0% |
Osceola Generating Station (FL) | Orlando Utilities Comm | St. Cloud, FL | Duke Energy Florida, Inc. (FPC) | 676.0 MWh | Nov 2001 | Dec 2023 | Natural Gas : 90.0% Distillate Fuel Oil : 10.0% |
Oxford (NE) | Village of Oxford - (NE) | Oxford, NE | Southwest Power Pool (SWPP) | 27.0 MWh | Jul 1953 | Dec 2023 | Natural Gas : 91.0% Distillate Fuel Oil : 9.0% |
Orchard Park | Borough of Chambersburg | Chambersburg, PA | PJM Interconnection, LLC (PJM) | 24.9 GWh | Nov 2003 | Aug 2024 | Natural Gas : 98.6% Distillate Fuel Oil : 1.4% |
Ocean State Power | Ocean State Power Co | Harrisville, RI | ISO New England (ISNE) | 1.3 TWh | Nov 1990 | Dec 2023 | Natural Gas : 99.6% |
Oleander Power Project LP | Oleander Holdings LLC | Cocoa, FL | Florida Power & Light Co. (FPL) | 383.6 GWh | May 2002 | Dec 2023 | Natural Gas : 99.7% |
Ocean State Power II | Ocean State Power II | Harrisville, RI | ISO New England (ISNE) | 1.1 TWh | Sep 1991 | Dec 2023 | Natural Gas : 99.7% |
Overlook Medical Center | Overlook Medical Center | Summit, NJ | PJM Interconnection, LLC (PJM) | 3.6 GWh | Dec 2011 | Dec 2022 | Natural Gas : 99.8% |
Olmsted Waste Energy | Olmsted County Public Works | Rochester, MN | Midcontinent Independent System Operator, Inc. (MISO) | 39.5 GWh | Mar 1987 | Dec 2023 | Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.9% |
Onondaga County Resource Recovery | Covanta Onondega LP | Jamesville, NY | New York Independent System Operator (NYIS) | 208.8 GWh | Oct 1994 | Aug 2024 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8% |
Oswego County Energy Recovery | Oswego County | Fulton, NY | New York Independent System Operator (NYIS) | 7.3 GWh | Jan 1986 | Dec 2023 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
Oconee | Duke Energy Carolinas, LLC | Seneca, SC | Duke Energy Carolinas (DUK) | 21.5 TWh | Jun 1973 | Aug 2024 | Nuclear |
OES Biogas Power | Organic Energy Solutions, Inc. | San Bernardino, CA | California Independent System Operator (CISO) | 348.0 MWh | - | Dec 2023 | Other Biomass Gas |
Orbit Energy RI | Anaergia | Johnston, RI | ISO New England (ISNE) | 3.7 GWh | Jun 2017 | Dec 2022 | Other Biomass Gas |
Orbit Energy Charlotte | Anaergia | Charlotte, NC | Duke Energy Carolinas (DUK) | 8.5 GWh | Oct 2016 | Dec 2022 | Other Biomass Gas |
Oxnard Wastewater Treatment Plant | Oxnard City of | Oxnard, CA | California Independent System Operator (CISO) | 5.7 GWh | Jul 1981 | Aug 2024 | Other Biomass Gas : 87.7% Natural Gas : 12.3% |
Oswego Harbor Power | Oswego Harbor Power | Oswego, NY | New York Independent System Operator (NYIS) | 42.5 GWh | May 1975 | Jul 2024 | Residual Fuel Oil |
Ozarks Natural Energy Community Solar | Ozarks Electric Coop Corp - (AR) | Springdale, AR | Southwest Power Pool (SWPP) | 1.3 GWh | Mar 2016 | Dec 2023 | Solar |
OR Solar 8, LLC | Heelstone Energy Holdings, LLC | Dairy, OR | PacifiCorp West (PACW) | 23.7 GWh | Feb 2018 | Dec 2023 | Solar |
Owlville Creek Solar, LLC | Owlville Creek Solar, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 8.3 GWh | Nov 2020 | Dec 2023 | Solar |
OR Solar 6, LLC | Heelstone Energy Holdings, LLC | Lakeview, OR | PacifiCorp West (PACW) | 23.3 GWh | Nov 2017 | Dec 2023 | Solar |
Oxford | CVI CleanCapital Solar 6 | Oxford, MA | ISO New England (ISNE) | 3.9 GWh | Jun 2014 | Dec 2023 | Solar |
Oxbow Solar 1 | Lightsource Renewable Energy Asset Management, LLC | New Roads, LA | Midcontinent Independent System Operator, Inc. (MISO) | 122.7 GWh | - | Aug 2024 | Solar |
Open View Solar Farm | Cross Pollination Inc | New Haven, VT | ISO New England (ISNE) | 2.5 GWh | Aug 2013 | Dec 2023 | Solar |
Oxford PV - BD Solar Oxford LLC | BD Solar Oxford LLC | Oxford, ME | ISO New England (ISNE) | 10.9 GWh | May 2021 | Dec 2023 | Solar |
Open Range Solar Center, LLC | Cypress Creek Renewables | Nyssa, OR | Idaho Power Company (IPCO) | 22.0 GWh | Aug 2016 | Aug 2024 | Solar |
Oxford Solar | Citizens Enterprises Corporation | Oxford, MA | ISO New England (ISNE) | 6.5 GWh | Jan 2020 | Dec 2023 | Solar |
Onyx - Saratoga Springs Landfill Solar CSG | Onyx Asset Services Group | Saratoga Springs, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Oct 2017 | Dec 2023 | Solar |
Orange Blossom Solar Center | Florida Power & Light Co | Vero Beach, FL | Florida Power & Light Co. (FPL) | 150.2 GWh | Apr 2021 | Aug 2024 | Solar |
Onyx - Pembroke Landfill Solar | Onyx Asset Services Group | Pembroke, MA | ISO New England (ISNE) | 3.7 GWh | Nov 2017 | Dec 2023 | Solar |
Summary of Power Plants By State
Figures are based on August 2024 generation numbers.State | Rank | Active Plants | Aug 2024 Generation |
---|---|---|---|
Alabama | # 7 | 78 | 14,073.11 GWh |
Alaska | # 48 | 147 | 631.71 GWh |
Arizona | # 10 | 161 | 12,447.73 GWh |
Arkansas | # 23 | 77 | 6,473.81 GWh |
California | # 4 | 1,666 | 22,299.47 GWh |
Colorado | # 28 | 277 | 5,476.67 GWh |
Connecticut | # 33 | 159 | 4,351.57 GWh |
Delaware | # 49 | 31 | 481.79 GWh |
District of Columbia | # 51 | 12 | 19.18 GWh |
Florida | # 2 | 286 | 27,339.08 GWh |
Georgia | # 6 | 251 | 14,863.07 GWh |
Hawaii | # 47 | 69 | 841.39 GWh |
Idaho | # 43 | 142 | 1,655.52 GWh |
Illinois | # 5 | 335 | 17,196.16 GWh |
Indiana | # 18 | 202 | 9,001.13 GWh |
Iowa | # 26 | 283 | 5,529.62 GWh |
Kansas | # 31 | 165 | 5,363.63 GWh |
Kentucky | # 21 | 55 | 6,964.00 GWh |
Louisiana | # 14 | 82 | 10,133.66 GWh |
Maine | # 45 | 162 | 1,185.43 GWh |
Maryland | # 38 | 185 | 3,346.65 GWh |
Massachusetts | # 41 | 614 | 1,896.47 GWh |
Michigan | # 12 | 274 | 12,135.86 GWh |
Minnesota | # 27 | 748 | 5,511.98 GWh |
Mississippi | # 19 | 55 | 7,436.42 GWh |
Missouri | # 20 | 126 | 7,051.26 GWh |
State | Rank | Active Plants | Aug 2024 Generation |
---|---|---|---|
Montana | # 40 | 70 | 2,306.38 GWh |
Nebraska | # 36 | 125 | 3,559.93 GWh |
Nevada | # 32 | 110 | 4,699.98 GWh |
New Hampshire | # 42 | 60 | 1,808.14 GWh |
New Jersey | # 25 | 387 | 5,633.45 GWh |
New Mexico | # 39 | 139 | 3,198.26 GWh |
New York | # 11 | 848 | 12,289.60 GWh |
North Carolina | # 9 | 893 | 13,559.75 GWh |
North Dakota | # 35 | 59 | 3,641.88 GWh |
Ohio | # 8 | 190 | 13,652.00 GWh |
Oklahoma | # 15 | 130 | 10,062.87 GWh |
Oregon | # 29 | 262 | 5,448.37 GWh |
Pennsylvania | # 3 | 246 | 23,205.63 GWh |
Rhode Island | # 46 | 97 | 1,061.17 GWh |
South Carolina | # 16 | 203 | 9,629.88 GWh |
South Dakota | # 44 | 53 | 1,603.17 GWh |
Tennessee | # 22 | 87 | 6,912.16 GWh |
Texas | # 1 | 797 | 58,529.53 GWh |
Utah | # 37 | 122 | 3,440.26 GWh |
Vermont | # 50 | 114 | 207.44 GWh |
Virginia | # 13 | 213 | 10,408.51 GWh |
Washington | # 17 | 138 | 9,091.93 GWh |
West Virginia | # 30 | 36 | 5,412.86 GWh |
Wisconsin | # 24 | 230 | 6,416.93 GWh |
Wyoming | # 34 | 70 | 3,868.32 GWh |