Directory of Power Plants in the United States

List of All United States Power Plants

Displaying Results 1 to 100 of 319
Plant NameUtilityLocationBalancing AuthorityAnnual GenerationPlant DateLast UpdateFuel Types
Oberlin (KS)City of Oberlin - (KS)Oberlin, KSSouthwest Power Pool (SWPP)3.9 MWhDec 1953Dec 2023 Distillate Fuel Oil
Osawatomie Power Plant North SubCity of Osawatomie - (KS)Osawatomie, KSSouthwest Power Pool (SWPP)5.0 MWhApr 2018Dec 2023 Distillate Fuel Oil
OgdenCity of Ogden - (IA)Ogden, IAMidcontinent Independent System Operator, Inc. (MISO)5.0 MWhJun 1951Dec 2023 Distillate Fuel Oil
Osawatomie Power Plant South SubCity of Osawatomie - (KS)Osawatomie, KSSouthwest Power Pool (SWPP)6.0 MWhFeb 2017Dec 2023 Distillate Fuel Oil
Oxford (KS)City of Oxford - (KS)Oxford, KSSouthwest Power Pool (SWPP)6.0 MWhJun 1999Dec 2022 Distillate Fuel Oil
OsborneCity of Osborne - (KS)Osborne, KSSouthwest Power Pool (SWPP)7.8 MWhMay 1957Dec 2023 Distillate Fuel Oil : 60.7% Natural Gas : 39.3%
Osawatomie City ofCity of Osawatomie - (KS)Osawatomie, KSSouthwest Power Pool (SWPP)10.0 MWhSep 1950Dec 2023 Distillate Fuel Oil
Oxford (NE)Village of Oxford - (NE)Oxford, NESouthwest Power Pool (SWPP)27.0 MWhJul 1953Dec 2023 Natural Gas : 91.0% Distillate Fuel Oil : 9.0%
Overall Road StationCity of Farmington - (MO)Farmington, MOMidcontinent Independent System Operator, Inc. (MISO)32.0 MWhFeb 2003Dec 2023 Distillate Fuel Oil
OTHERTraditionClearforkTexas Microgrid, LLCFort Worth, TXElectric Reliability Council of Texas, Inc. (ERCO)42.0 MWhMar 2023Dec 2023 Natural Gas
OrdCity of Ord - (NE)Ord, NESouthwest Power Pool (SWPP)59.0 MWhDec 1962Dec 2023 Distillate Fuel Oil : 97.4% Natural Gas : 2.6%
Orrville PeakingAmerican Mun Power-Ohio, IncOrrville, OHPJM Interconnection, LLC (PJM)103.0 MWhJun 1999Dec 2023 Distillate Fuel Oil
OTHERBenEKDallasGenerate ER-NG, LLCDallas, TXElectric Reliability Council of Texas, Inc. (ERCO)107.0 MWhApr 2023Dec 2023 Natural Gas
Onancock Diesel Generation FacilityOld Dominion Electric CoopOnancock, VAPJM Interconnection, LLC (PJM)122.0 MWhOct 2002Dec 2023 Distillate Fuel Oil
OTHERNFBWATexas Microgrid, LLCHouston, TXElectric Reliability Council of Texas, Inc. (ERCO)178.0 MWhJan 2021Dec 2023 Natural Gas
O H HutchingsKimura Power LLCMiamisburg, OHPJM Interconnection, LLC (PJM)208.0 MWhJun 1948Dec 2023 Natural Gas
Orange Street G1Town of Bedford - (VA)Bedford, VAPJM Interconnection, LLC (PJM)211.0 MWhJun 2005Dec 2023 Distillate Fuel Oil
Oroville Cogeneration LPOroville Cogeneration LPOroville, CACalifornia Independent System Operator (CISO)235.0 MWhDec 1989Dec 2023 Natural Gas
Old FaithfulNorthWestern Energy (MT wind/thermal)Yellowstone, WYNorthWestern Corporation (NWMT)249.0 MWhNov 1979Dec 2023 Distillate Fuel Oil
Oberlin (OH)City of Oberlin - (OH)Oberlin, OHPJM Interconnection, LLC (PJM)292.0 MWhDec 1947Dec 2023 Natural Gas : 84.0% Distillate Fuel Oil : 16.0%
OES Biogas PowerOrganic Energy Solutions, Inc.San Bernardino, CACalifornia Independent System Operator (CISO)348.0 MWh-Dec 2023 Other Biomass Gas
Old Bridge Global Landfill CSGNJR Clean Energy Ventures CorporationOld Bridge, NJPJM Interconnection, LLC (PJM)353.0 MWhSep 2023Dec 2023 Solar
OttawaCity of Ottawa - (KS)Ottawa, KSSouthwest Power Pool (SWPP)377.0 MWhNov 1958Dec 2023 Natural Gas : 78.7% Distillate Fuel Oil : 21.3%
OswegoNY USLE Oswego SR104 LLCOswego, NYNew York Independent System Operator (NYIS)457.0 MWhAug 2023Dec 2023 Solar
Osceola Generating Station (FL)Orlando Utilities CommSt. Cloud, FLDuke Energy Florida, Inc. (FPC)676.0 MWhNov 2001Dec 2023 Natural Gas : 90.0% Distillate Fuel Oil : 10.0%
OTHERCitizensHospitalTexas Microgrid, LLCVictoria, TXElectric Reliability Council of Texas, Inc. (ERCO)823.0 MWhMar 2020Dec 2023 Natural Gas
One Market PlazaParamount Group IncSan Francisco, CACalifornia Independent System Operator (CISO)993.0 MWhNov 2003Dec 2023 Natural Gas
Onondaga County - Metro Water BoardTesla Inc.Clay, NYNew York Independent System Operator (NYIS)1.0 GWhJan 2016Dec 2023 Solar
Oregon University System Rabbit FieldTesla Inc.Corvallis, ORPacifiCorp West (PACW)1.2 GWhFeb 2014Dec 2023 Solar
Oltmans SCE at ChampagneCalifornia PV Energy LLCOntario, CACalifornia Independent System Operator (CISO)1.2 GWhNov 2013Dec 2023 Solar
Oak Bluffs Diesel Generating FacilityVineyard Reliability LLCOak Bluffs, MAISO New England (ISNE)1.3 GWhDec 1968Dec 2023 Distillate Fuel Oil
Ozarks Natural Energy Community SolarOzarks Electric Coop Corp - (AR)Springdale, ARSouthwest Power Pool (SWPP)1.3 GWhMar 2016Dec 2023 Solar
Owens Corning HeadquartersLuminace Solar Holding, LLCToledo, OHPJM Interconnection, LLC (PJM)1.4 GWhAug 2015Dec 2023 Solar
OwatonnaCity of Owatonna - (MN)Owatonna, MNMidcontinent Independent System Operator, Inc. (MISO)1.4 GWhMar 1982Dec 2023 Natural Gas
Occidental College Solar ProjectOccidental CollegeLos Angeles, CALos Angeles Department of Water and Power (LDWP)1.6 GWhJan 2013Dec 2023 Solar
Otis Elevator Company SolarOtis Elevator CompanyFlorence, SCDuke Energy Carolinas (DUK)1.6 GWhApr 2018Dec 2023 Solar
Oltmans SCE at JurupaCalifornia PV Energy LLCOntario, CACalifornia Independent System Operator (CISO)1.7 GWhNov 2013Dec 2023 Solar
Oregon Convention CenterTesla Inc.Portland, ORPacifiCorp West (PACW)1.7 GWhJun 2016Dec 2023 Solar
Old Cedar Solar Energy StorageNorth Carolina El Member CorpAsheboro, NCDuke Energy Progress East (CPLE)1.8 GWhJul 2021Dec 2023 Solar
Onyx - Allen HarimOnyx Asset Services GroupHarbeson, DEPJM Interconnection, LLC (PJM)1.8 GWhMar 2017Dec 2023 Solar
Onset East Community Solar FacilityKearsarge Onset LLCWareham, MAISO New England (ISNE)1.8 GWhMar 2016Dec 2022 Solar
Oneida County- DPWTesla Inc.Oriskany, NYISO New England (ISNE)1.8 GWhSep 2017Dec 2023 Solar
Onset West Community Solar FacilityKearsarge Onset LLCWareham, MAISO New England (ISNE)1.9 GWhMar 2016Dec 2022 Solar
Olmstead II CSGOlmstead Solar II, LLCLena, ILPJM Interconnection, LLC (PJM)2.0 GWhAug 2021Dec 2023 Solar
Onondaga County- JamesvilleTesla Inc.Jamesville, NYNew York Independent System Operator (NYIS)2.0 GWhFeb 2018Dec 2023 Solar
Oswego County - Fulton SolarTesla Inc.Fulton, NYNew York Independent System Operator (NYIS)2.1 GWhMay 2018Dec 2023 Solar
OTHERTexasA&MTexas Microgrid, LLCBryan, TXElectric Reliability Council of Texas, Inc. (ERCO)2.1 GWhApr 2018Dec 2023 Natural Gas
Oberlin Spear Point Solar OneOberlin CollegeOberlin, OHPJM Interconnection, LLC (PJM)2.1 GWhOct 2012Dec 2023 Solar
Olinda Trail SolarOlinda Trail Solar LLCLindstrom, MNMidcontinent Independent System Operator, Inc. (MISO)2.1 GWhAug 2019Dec 2023 Solar
Ontario SunAzimuth 180 Solar Electric, LLCSandy Creek, NYNew York Independent System Operator (NYIS)2.1 GWhJan 2023Dec 2023 Solar
Onondaga County - Oak Orchard WWTPTesla Inc.Clay, NYNew York Independent System Operator (NYIS)2.2 GWhOct 2017Dec 2023 Solar
Orange County Solar Farm (NY)Tesla Inc.Goshen, NYISO New England (ISNE)2.3 GWhApr 2017Dec 2023 Solar
Owens Valley Solar Project 11Los Angeles Department of Water & PowerOlancha, CALos Angeles Department of Water and Power (LDWP)2.3 GWhNov 2016Dec 2023 Solar
Orange PVTerraform ArcadiaOrange, MAISO New England (ISNE)2.3 GWhJun 2013Dec 2023 Solar
Oneida - WestOneida DG Solar, LLCWhitestown, NYNew York Independent System Operator (NYIS)2.3 GWhNov 2015Dec 2023 Solar
Oneida - SouthOneida DG Solar, LLCWhitestown, NYNew York Independent System Operator (NYIS)2.3 GWhNov 2015Dec 2023 Solar
Oregon University System OIT Klamath FallsTesla Inc.Klamath Falls, ORPacifiCorp West (PACW)2.4 GWhDec 2013Dec 2023 Solar
Oakley Solar ProjectOakley Solar Project LLCOakley, CACalifornia Independent System Operator (CISO)2.4 GWhMay 2013Dec 2023 Solar
Open View Solar FarmCross Pollination IncNew Haven, VTISO New England (ISNE)2.5 GWhAug 2013Dec 2023 Solar
Orchard Avenue 1Yakima-Tieton Irrigation DistYakima, WAPacifiCorp West (PACW)2.6 GWhFeb 1987Oct 2023 Water
Oak Leaf - CSG Portfolio (OL 36)Distributed Solar Development, LLCWatkins, COSouthwest Power Pool (SWPP)2.6 GWhMay 2021Dec 2023 Solar
Onondaga County- ClearwaterTesla Inc.Oswego, NYISO New England (ISNE)2.6 GWhJun 2017Dec 2023 Solar
Onyx - Saratoga Springs Landfill Solar CSGOnyx Asset Services GroupSaratoga Springs, NYNew York Independent System Operator (NYIS)2.7 GWhOct 2017Dec 2023 Solar
Onyx - Lamphear Road CSGOnyx Asset Services GroupRome, NYNew York Independent System Operator (NYIS)2.7 GWhSep 2016Dec 2023 Solar
Otarre Solar ParkTIG Sun Energy IV, LLCCayce, SCDominion Energy South Carolina, Inc. (SCEG)2.8 GWhNov 2017Dec 2023 Solar
O'Shea Solar FarmDTE Electric CompanyDetroit, MIMidcontinent Independent System Operator, Inc. (MISO)2.9 GWhJun 2017Dec 2023 Solar
Oil Dri 2 SolarWestbound Solar LLCOchlocknee, GASouthern Company Services, Inc. - Trans (SOCO)2.9 GWhApr 2019Dec 2023 Solar
Oak Leaf Solar XXVIII LLC (CSG)Greenbacker Renewable Energy CorporationPlatteville, COPublic Service Company of Colorado (PSCO)3.0 GWhMay 2019Dec 2023 Solar
Oak Leaf Solar XXV LLC (CSG)Greenbacker Renewable Energy CorporationWatkins, COPublic Service Company of Colorado (PSCO)3.0 GWhNov 2018Dec 2023 Solar
OER CheckerspotStandard SolarTracy's Landing, MDPJM Interconnection, LLC (PJM)3.0 GWhNov 2021Dec 2023 Solar
OK Produce Fresno CarportOK ProduceFresno, CACalifornia Independent System Operator (CISO)3.1 GWhDec 2018Dec 2023 Solar
Oak Leaf Solar XXIV LLC (CSG)Greenbacker Renewable Energy CorporationWatkins, COPublic Service Company of Colorado (PSCO)3.1 GWhDec 2018Dec 2023 Solar
OSG Solar 1 LLCNavisun LLCOrange, MAISO New England (ISNE)3.1 GWhJun 2012Dec 2023 Solar
Oak Leaf Solar XXXII (CSG)Greenbacker Renewable Energy CorporationRifle, COPublic Service Company of Colorado (PSCO)3.1 GWhFeb 2019Dec 2023 Solar
Oak Leaf Solar XXVI LLCGreenbacker Renewable Energy CorporationDenver, COPublic Service Company of Colorado (PSCO)3.2 GWhDec 2018Dec 2023 Solar
OREG 4 PeetzOrmat Nevada IncPeetz, COWestern Area Power Administration - Rocky Mountain Region (WACM)3.2 GWhFeb 2009May 2024 Waste Heat
Oconto Falls UpperEagle Creek Renewable Energy, LLCOconto Falls, WIMidcontinent Independent System Operator, Inc. (MISO)3.2 GWhDec 1917Dec 2023 Water
Oxon Run CREFOxon Run Community Renewable Energy FacilityWashington, DCPJM Interconnection, LLC (PJM)3.2 GWhNov 2021Dec 2023 Solar
Oak Leaf Solar XXXI LLC (CSG)Greenbacker Renewable Energy CorporationDebeque, COPublic Service Company of Colorado (PSCO)3.3 GWhNov 2018Dec 2023 Solar
Oak Leaf - CSG Portfolio (OL 37)Distributed Solar Development, LLCWatkins, COSouthwest Power Pool (SWPP)3.3 GWhNov 2020Dec 2023 Solar
Oak Leaf - CSG Portfolio (OL 38)Distributed Solar Development, LLCWatkins, COSouthwest Power Pool (SWPP)3.4 GWhMay 2021Dec 2023 Solar
OER Monarch CSGStandard SolarUpper Marlboro, MDPJM Interconnection, LLC (PJM)3.4 GWhNov 2021Dec 2023 Solar
Owens Corning at BethlehemLuminace Solar Holding, LLCBethlehem, NYNew York Independent System Operator (NYIS)3.4 GWhSep 2013Dec 2023 Solar
Oak Hill Solar ArraySouthern Indiana Gas & Elec CoEvansville, INMidcontinent Independent System Operator, Inc. (MISO)3.4 GWhOct 2018Dec 2023 Solar
Oak Leaf - CSG Portfolio (OL 44)Distributed Solar Development, LLCWatkins, COSouthwest Power Pool (SWPP)3.4 GWhNov 2020Dec 2023 Solar
Oak Leaf Solar XXVII LLCGreenbacker Renewable Energy CorporationGreely, COPublic Service Company of Colorado (PSCO)3.4 GWhOct 2018Dec 2023 Solar
Old Court Rd SolarOld Court Rd Solar, LLCWoodstock, MDPJM Interconnection, LLC (PJM)3.4 GWhSep 2019Dec 2023 Solar
Oak Leaf Solar XXIII LLC (CSG)Greenbacker Renewable Energy CorporationWatkins, COPublic Service Company of Colorado (PSCO)3.5 GWhDec 2018Dec 2023 Solar
Oak Leaf - CSG Portfolio (OL 39)Distributed Solar Development, LLCWatkins, COSouthwest Power Pool (SWPP)3.5 GWhMay 2021Dec 2023 Solar
Oak Leaf Solar XXI (CSG)Greenbacker Renewable Energy CorporationWatkins, COPublic Service Company of Colorado (PSCO)3.5 GWhNov 2018Dec 2023 Solar
Otoe Solar Power Generation Station 1 LLCAES Distributed EnergyApple Valley, CACalifornia Independent System Operator (CISO)3.5 GWhNov 2013Dec 2023 Solar
Ottauquechee HydroGreen Mountain Power CorpN. Hartland, VTISO New England (ISNE)3.5 GWhMar 1983Dec 2023 Water
Overlook Medical CenterOverlook Medical CenterSummit, NJPJM Interconnection, LLC (PJM)3.6 GWhDec 2011Dec 2022 Natural Gas : 99.8%
Oak Leaf Solar XXII LLC (CSG)Greenbacker Renewable Energy CorporationDenver, COPublic Service Company of Colorado (PSCO)3.6 GWhDec 2018Dec 2023 Solar
Orbit Energy RIAnaergiaJohnston, RIISO New England (ISNE)3.7 GWhJun 2017Dec 2022 Other Biomass Gas
Onyx - Pembroke Landfill SolarOnyx Asset Services GroupPembroke, MAISO New England (ISNE)3.7 GWhNov 2017Dec 2023 Solar
Osage (IA)City of Osage - (IA)Osage, IAMidcontinent Independent System Operator, Inc. (MISO)3.8 GWhAug 1963Dec 2023 Wind : 73.8% Solar : 26.2%
Old Caroleen Solar FarmCypress Creek RenewablesForest City, NCDuke Energy Carolinas (DUK)3.8 GWhJun 2018Dec 2023 Solar
O'Neill Creek SolarO'Neill Creek Solar LLCGaston, ORPortland General Electric Company (PGE)3.9 GWhOct 2019Dec 2023 Solar
Oak Leaf Solar XXXIII LLC (Lantz)Greenbacker Renewable Energy CorporationSalida, COPublic Service Company of Colorado (PSCO)3.9 GWhDec 2019Dec 2023 Solar

Summary of Power Plants By State

Figures are based on August 2024 generation numbers.
StateRankActive PlantsAug 2024 Generation
Alabama# 77814,073.11 GWh
Alaska# 48147631.71 GWh
Arizona# 1016112,447.73 GWh
Arkansas# 23776,473.81 GWh
California# 41,66622,299.47 GWh
Colorado# 282775,476.67 GWh
Connecticut# 331594,351.57 GWh
Delaware# 4931481.79 GWh
District of Columbia# 511219.18 GWh
Florida# 228627,339.08 GWh
Georgia# 625114,863.07 GWh
Hawaii# 4769841.39 GWh
Idaho# 431421,655.52 GWh
Illinois# 533517,196.16 GWh
Indiana# 182029,001.13 GWh
Iowa# 262835,529.62 GWh
Kansas# 311655,363.63 GWh
Kentucky# 21556,964.00 GWh
Louisiana# 148210,133.66 GWh
Maine# 451621,185.43 GWh
Maryland# 381853,346.65 GWh
Massachusetts# 416141,896.47 GWh
Michigan# 1227412,135.86 GWh
Minnesota# 277485,511.98 GWh
Mississippi# 19557,436.42 GWh
Missouri# 201267,051.26 GWh
StateRankActive PlantsAug 2024 Generation
Montana# 40702,306.38 GWh
Nebraska# 361253,559.93 GWh
Nevada# 321104,699.98 GWh
New Hampshire# 42601,808.14 GWh
New Jersey# 253875,633.45 GWh
New Mexico# 391393,198.26 GWh
New York# 1184812,289.60 GWh
North Carolina# 989313,559.75 GWh
North Dakota# 35593,641.88 GWh
Ohio# 819013,652.00 GWh
Oklahoma# 1513010,062.87 GWh
Oregon# 292625,448.37 GWh
Pennsylvania# 324623,205.63 GWh
Rhode Island# 46971,061.17 GWh
South Carolina# 162039,629.88 GWh
South Dakota# 44531,603.17 GWh
Tennessee# 22876,912.16 GWh
Texas# 179758,529.53 GWh
Utah# 371223,440.26 GWh
Vermont# 50114207.44 GWh
Virginia# 1321310,408.51 GWh
Washington# 171389,091.93 GWh
West Virginia# 30365,412.86 GWh
Wisconsin# 242306,416.93 GWh
Wyoming# 34703,868.32 GWh