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
OYA Main StreetOYA Main Street LLCYork, NYNew York Independent System Operator (NYIS)8.3 GWhNov 2022Dec 2023 Solar
Old FaithfulNorthWestern Energy (MT wind/thermal)Yellowstone, WYNorthWestern Corporation (NWMT)249.0 MWhNov 1979Dec 2023 Distillate Fuel Oil
Orchard Avenue 1Yakima-Tieton Irrigation DistYakima, WAPacifiCorp West (PACW)2.6 GWhFeb 1987Oct 2023 Water
Oklahoma Wind Energy CenterFPL Energy Oklahoma Wind LLCWoodward, OKSouthwest Power Pool (SWPP)153.0 GWhSep 2003Dec 2023 Wind
OU Spirit Wind FarmOklahoma Gas & Electric CoWoodward, OKSouthwest Power Pool (SWPP)141.4 GWhNov 2009Dec 2023 Wind
Old Court Rd SolarOld Court Rd Solar, LLCWoodstock, MDPJM Interconnection, LLC (PJM)3.4 GWhSep 2019Dec 2023 Solar
OE_ALDOE_ALDWing, ALSouthern Company Services, Inc. - Trans (SOCO)161.1 GWhMar 2023Aug 2024 Solar
OlsenOlsen Power PartnersWhitmore, CACalifornia Independent System Operator (CISO)18.4 GWhDec 1989Dec 2023 Water
Oneida - SouthOneida DG Solar, LLCWhitestown, NYNew York Independent System Operator (NYIS)2.3 GWhNov 2015Dec 2023 Solar
Oneida - WestOneida DG Solar, LLCWhitestown, NYNew York Independent System Operator (NYIS)2.3 GWhNov 2015Dec 2023 Solar
Oakdale Power StationMassachusetts Water Res AuthWest Boylston, MAISO New England (ISNE)12.0 GWhApr 1951Dec 2023 Water
Oak Leaf Solar XXI (CSG)Greenbacker Renewable Energy CorporationWatkins, COPublic Service Company of Colorado (PSCO)3.5 GWhNov 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 - CSG Portfolio (OL 39)Distributed Solar Development, LLCWatkins, COSouthwest Power Pool (SWPP)3.5 GWhMay 2021Dec 2023 Solar
Oak Leaf - CSG Portfolio (OL 38)Distributed Solar Development, LLCWatkins, COSouthwest Power Pool (SWPP)3.4 GWhMay 2021Dec 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 36)Distributed Solar Development, LLCWatkins, COSouthwest Power Pool (SWPP)2.6 GWhMay 2021Dec 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 Solar XXIV LLC (CSG)Greenbacker Renewable Energy CorporationWatkins, COPublic Service Company of Colorado (PSCO)3.1 GWhDec 2018Dec 2023 Solar
Oak Leaf Solar XXV LLC (CSG)Greenbacker Renewable Energy CorporationWatkins, COPublic Service Company of Colorado (PSCO)3.0 GWhNov 2018Dec 2023 Solar
OYA Wayside DriveOYA Wayside Drive LLCWatertown, NYNew York Independent System Operator (NYIS)9.5 GWhSep 2022Dec 2023 Solar
Oxon Run CREFOxon Run Community Renewable Energy FacilityWashington, DCPJM Interconnection, LLC (PJM)3.2 GWhNov 2021Dec 2023 Solar
Onset West Community Solar FacilityKearsarge Onset LLCWareham, MAISO New England (ISNE)1.9 GWhMar 2016Dec 2022 Solar
Onset East Community Solar FacilityKearsarge Onset LLCWareham, MAISO New England (ISNE)1.8 GWhMar 2016Dec 2022 Solar
Oceana SolarVirginia Electric & Power CoVirginia Beach, VAPJM Interconnection, LLC (PJM)29.0 GWhNov 2017Dec 2023 Solar
OTHERCitizensHospitalTexas Microgrid, LLCVictoria, TXElectric Reliability Council of Texas, Inc. (ERCO)823.0 MWhMar 2020Dec 2023 Natural Gas
Orange Blossom Solar CenterFlorida Power & Light CoVero Beach, FLFlorida Power & Light Co. (FPL)150.2 GWhApr 2021Aug 2024 Solar
Okeechobee SolarFlorida Power & Light CoVero Beach, FLFlorida Power & Light Co. (FPL)156.1 GWhMar 2020Aug 2024 Solar
OCI Alamo 5 LLCConsolidated Edison Development Inc.Uvalde, TXElectric Reliability Council of Texas, Inc. (ERCO)197.1 GWhNov 2015Dec 2023 Solar
OER Monarch CSGStandard SolarUpper Marlboro, MDPJM Interconnection, LLC (PJM)3.4 GWhNov 2021Dec 2023 Solar
OREG 3 IncOrmat Nevada IncTrimont, MNMidcontinent Independent System Operator, Inc. (MISO)35.8 GWhJul 2010Aug 2024 Waste Heat
OER CheckerspotStandard SolarTracy's Landing, MDPJM Interconnection, LLC (PJM)3.0 GWhNov 2021Dec 2023 Solar
Owens Corning HeadquartersLuminace Solar Holding, LLCToledo, OHPJM Interconnection, LLC (PJM)1.4 GWhAug 2015Dec 2023 Solar
OcotilloArizona Public Service CoTempe, AZArizona Public Service Company (AZPS)583.7 GWhFeb 1960Aug 2024 Natural Gas
Olive View Medical CenterLos Angeles County DHSSylmar, CALos Angeles Department of Water and Power (LDWP)11.4 GWhJan 1987Feb 2024 Natural Gas
Overlook Medical CenterOverlook Medical CenterSummit, NJPJM Interconnection, LLC (PJM)3.6 GWhDec 2011Dec 2022 Natural Gas : 99.8%
Osborn Wind EnergyOsborn Wind Energy LLCStewartsville, MOSouthwest Power Pool (SWPP)665.4 GWhNov 2016Aug 2024 Wind
OuachitaEntergy Louisiana LLCSterlington, LAMidcontinent Independent System Operator, Inc. (MISO)4.8 TWhJul 2002Aug 2024 Natural Gas
Ontario LFGTESeneca Energy IIStanley, NYNew York Independent System Operator (NYIS)78.4 GWhOct 2003Dec 2023 Landfill Gas
OE_MS6OE_MS6St.Artesia, MSTennessee Valley Authority (TVA)114.9 GWh-Aug 2024 Solar
Orion Community SolarOrion Community SolarSt. Joseph, MNMidcontinent Independent System Operator, Inc. (MISO)4.6 GWhDec 2016Dec 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%
Oak Street SolarCitizens Enterprises CorporationSpringfield, MAISO New England (ISNE)5.4 GWhNov 2019Dec 2023 Solar
Ozarks Natural Energy Community SolarOzarks Electric Coop Corp - (AR)Springdale, ARSouthwest Power Pool (SWPP)1.3 GWhMar 2016Dec 2023 Solar
Okeelanta CogenerationNew Hope Power CompanySouth Bay, FLFlorida Power & Light Co. (FPL)40.4 GWhDec 1995Aug 2024 Agricultural By-Products : 93.8% Natural Gas : 6.2%
Ohio FallsLouisville Gas & Electric CoShippingport Island, KYLouisville Gas and Electric Company and Kentucky Utilities Company (LGEE)272.0 GWhDec 1927Dec 2023 Water
Onion RiverWisconsin Power & Light CoSheboygan Cedar Grove, WIMidcontinent Independent System Operator, Inc. (MISO)147.5 GWhNov 2023Aug 2024 Solar
OconeeDuke Energy Carolinas, LLCSeneca, SCDuke Energy Carolinas (DUK)21.5 TWhJun 1973Aug 2024 Nuclear
Onyx - Saratoga Springs Landfill Solar CSGOnyx Asset Services GroupSaratoga Springs, NYNew York Independent System Operator (NYIS)2.7 GWhOct 2017Dec 2023 Solar
Ontario SunAzimuth 180 Solar Electric, LLCSandy Creek, NYNew York Independent System Operator (NYIS)2.1 GWhJan 2023Dec 2023 Solar
One Market PlazaParamount Group IncSan Francisco, CACalifornia Independent System Operator (CISO)993.0 MWhNov 2003Dec 2023 Natural Gas
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CACalifornia Independent System Operator (CISO)2.4 TWhSep 2009Aug 2024 Natural Gas
OES Biogas PowerOrganic Energy Solutions, Inc.San Bernardino, CACalifornia Independent System Operator (CISO)348.0 MWh-Dec 2023 Other Biomass Gas
OCI Alamo 3 LLCConsolidated Edison Development Inc.San Antonio, TXElectric Reliability Council of Texas, Inc. (ERCO)10.3 GWhNov 2014Dec 2023 Solar
O W SommersCity of San Antonio - (TX)San Antonio, TXElectric Reliability Council of Texas, Inc. (ERCO)1.9 TWhMar 1972Dec 2023 Natural Gas
OCI Alamo Solar I HybridOCI Solar PowerSan Antonio, TXElectric Reliability Council of Texas, Inc. (ERCO)88.3 GWhNov 2013Dec 2023 Solar
OE_AZ1Onward EnergySalome, AZWestern Area Power Administration - Desert Southwest Region (WALC)86.4 GWhNov 2019Aug 2024 Solar
Oak Leaf Solar XXXIII LLC (Lantz)Greenbacker Renewable Energy CorporationSalida, COPublic Service Company of Colorado (PSCO)3.9 GWhDec 2019Dec 2023 Solar
Onyx - Lamphear Road CSGOnyx Asset Services GroupRome, NYNew York Independent System Operator (NYIS)2.7 GWhSep 2016Dec 2023 Solar
Organ Church SolarMN8 Energy LLCRockwell, NCDuke Energy Carolinas (DUK)10.3 GWhJan 2019Dec 2023 Solar
Olmsted Waste EnergyOlmsted County Public WorksRochester, MNMidcontinent Independent System Operator, Inc. (MISO)39.5 GWhMar 1987Dec 2023 Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.9%
Old Middleboro Road SolarAgilitas Energy, Inc.Rochester, MAISO New England (ISNE)9.7 GWhDec 2022Dec 2023 Solar
OneidaPacifiCorpRiverdale, IDPacifiCorp East (PACE)42.4 GWhJun 1915Dec 2023 Water
Oak Leaf Solar XXXII (CSG)Greenbacker Renewable Energy CorporationRifle, COPublic Service Company of Colorado (PSCO)3.1 GWhFeb 2019Dec 2023 Solar
Omtanke SolarDG South Carolina Solar, LLCRidgeville, SCSouth Carolina Public Service Authority (SC)10.4 GWhFeb 2020Dec 2023 Solar
Ontelaunee Energy CenterOntelaunee Energy CenterReading, PAPJM Interconnection, LLC (PJM)3.8 TWhApr 2002Aug 2024 Natural Gas
Otter Creek Wind Farm LLCAvangrid Renewables LLCRansom, ILPJM Interconnection, LLC (PJM)468.9 GWhFeb 2020Aug 2024 Wind
OYA PulaskiOYA Pulaski LLCPulaski, NYNew York Independent System Operator (NYIS)6.4 GWhOct 2022Dec 2023 Solar
O'Brien WindMidAmerican Energy CoPrimghar, IAMidcontinent Independent System Operator, Inc. (MISO)834.6 GWhAug 2016Dec 2023 Wind
Oregon Convention CenterTesla Inc.Portland, ORPacifiCorp West (PACW)1.7 GWhJun 2016Dec 2023 Solar
Oak Leaf Solar XXVIII LLC (CSG)Greenbacker Renewable Energy CorporationPlatteville, COPublic Service Company of Colorado (PSCO)3.0 GWhMay 2019Dec 2023 Solar
OaheUSACE-OmahaPierre, SDSouthwest Power Pool (SWPP)2.1 TWhMar 1962Dec 2023 Water
Onyx - Pembroke Landfill SolarOnyx Asset Services GroupPembroke, MAISO New England (ISNE)3.7 GWhNov 2017Dec 2023 Solar
Odyssey SolarOdyssey Solar, LLCPelion, SCDominion Energy South Carolina, Inc. (SCEG)17.5 GWhJul 2017Dec 2023 Solar
OREG 4 PeetzOrmat Nevada IncPeetz, COWestern Area Power Administration - Rocky Mountain Region (WACM)3.2 GWhFeb 2009May 2024 Waste Heat
One Ten Partners PVOne Ten Partners, LLCPalmdale, CACalifornia Independent System Operator (CISO)5.4 GWhAug 2017Dec 2023 Solar
Orange Grove Peaking FacilityOrange Grove Energy LPPala, CACalifornia Independent System Operator (CISO)18.1 GWhMay 2010Dec 2023 Natural Gas
OzarkUSCE-Little Rock DistrictOzark, ARSouthwestern Power Administration (SPA)253.1 GWhOct 1972Dec 2023 Water
Oxnard Paper MillNew-Indy, Oxnard LLCOxnard, CACalifornia Independent System Operator (CISO)193.1 GWhFeb 1986Aug 2024 Natural Gas
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CACalifornia Independent System Operator (CISO)483.7 GWhJun 1982Aug 2024 Natural Gas
Ormond BeachOrmond Beach Power, LLCOxnard, CACalifornia Independent System Operator (CISO)44.9 GWhJul 1971Aug 2024 Natural Gas
Oxnard Wastewater Treatment PlantOxnard City ofOxnard, CACalifornia Independent System Operator (CISO)5.7 GWhJul 1981Aug 2024 Other Biomass Gas : 87.7% Natural Gas : 12.3%
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%
OxfordCVI CleanCapital Solar 6Oxford, MAISO New England (ISNE)3.9 GWhJun 2014Dec 2023 Solar
Oxford SolarCitizens Enterprises CorporationOxford, MAISO New England (ISNE)6.5 GWhJan 2020Dec 2023 Solar
Oxford PV - BD Solar Oxford LLCBD Solar Oxford LLCOxford, MEISO New England (ISNE)10.9 GWhMay 2021Dec 2023 Solar
Oxford (KS)City of Oxford - (KS)Oxford, KSSouthwest Power Pool (SWPP)6.0 MWhJun 1999Dec 2022 Distillate Fuel Oil
Oxbow (OR)Idaho Power CoOxbow, ORIdaho Power Company (IPCO)900.1 GWhJun 1961Dec 2023 Water
Owatonna Energy StationSouthern Minnesota Mun P AgnyOwatonna, MNMidcontinent Independent System Operator, Inc. (MISO)53.5 GWhFeb 2018Dec 2023 Natural Gas
OwatonnaCity of Owatonna - (MN)Owatonna, MNMidcontinent Independent System Operator, Inc. (MISO)1.4 GWhMar 1982Dec 2023 Natural Gas
OttumwaInterstate Power and Light CoOttumwa, IAMidcontinent Independent System Operator, Inc. (MISO)1.4 TWhApr 1981Aug 2024 Subbituminous Coal : 99.3%
Ottumwa City ofOttumwa City ofOttumwa, IAMidcontinent Independent System Operator, Inc. (MISO)5.3 GWhJul 1931Dec 2023 Water
OttawaCity of Ottawa - (KS)Ottawa, KSSouthwest Power Pool (SWPP)377.0 MWhNov 1958Dec 2023 Natural Gas : 78.7% Distillate Fuel Oil : 21.3%
Otsego Mill Power PlantOtsego Paper IncOtsego, MIMidcontinent Independent System Operator, Inc. (MISO)161.2 GWhOct 1995Dec 2023 Natural Gas
Oswego Harbor PowerOswego Harbor PowerOswego, NYNew York Independent System Operator (NYIS)42.5 GWhMay 1975Jul 2024 Residual Fuel Oil
Onondaga County- ClearwaterTesla Inc.Oswego, NYISO New England (ISNE)2.6 GWhJun 2017Dec 2023 Solar
OswegoNY USLE Oswego SR104 LLCOswego, NYNew York Independent System Operator (NYIS)457.0 MWhAug 2023Dec 2023 Solar
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
Osawatomie Power Plant South SubCity of Osawatomie - (KS)Osawatomie, KSSouthwest Power Pool (SWPP)6.0 MWhFeb 2017Dec 2023 Distillate Fuel Oil

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