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
O'Brien Solar FieldsMadison Gas & Electric CoFitchburg, WIMidcontinent Independent System Operator, Inc. (MISO)37.4 GWhApr 2021Dec 2023 Solar
O'Brien WindMidAmerican Energy CoPrimghar, IAMidcontinent Independent System Operator, Inc. (MISO)834.6 GWhAug 2016Dec 2023 Wind
O'Fallon Renewable Energy CenterUnion Electric Co - (MO)O'Fallon, MOMidcontinent Independent System Operator, Inc. (MISO)5.3 GWhNov 2014Dec 2023 Solar
O H HutchingsKimura Power LLCMiamisburg, OHPJM Interconnection, LLC (PJM)208.0 MWhJun 1948Dec 2023 Natural Gas
O'Neill Creek SolarO'Neill Creek Solar LLCGaston, ORPortland General Electric Company (PGE)3.9 GWhOct 2019Dec 2023 Solar
O'Shea Solar FarmDTE Electric CompanyDetroit, MIMidcontinent Independent System Operator, Inc. (MISO)2.9 GWhJun 2017Dec 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
OaheUSACE-OmahaPierre, SDSouthwest Power Pool (SWPP)2.1 TWhMar 1962Dec 2023 Water
Oak Bluffs Diesel Generating FacilityVineyard Reliability LLCOak Bluffs, MAISO New England (ISNE)1.3 GWhDec 1968Dec 2023 Distillate Fuel Oil
Oak Creek Energy Systems ITerra-Gen Operating Co-WindMojave, CACalifornia Independent System Operator (CISO)37.8 GWhMay 1982Dec 2023 Wind
Oak Glen Wind FarmMinnesota Municipal Power AgnyBlooming Prairie, MNMidcontinent Independent System Operator, Inc. (MISO)95.7 GWhOct 2011Dec 2023 Wind
Oak GrovePortland General Electric CoEstacada, ORPortland General Electric Company (PGE)152.1 GWhJul 1924Dec 2023 Water
Oak Grove Power ProducersCube District Energy, LLCArcadia, KSSouthwest Power Pool (SWPP)20.2 GWhFeb 2010Dec 2023 Landfill Gas
Oak Grove (TX)Luminant Generation Company LLCFranklin, TXElectric Reliability Council of Texas, Inc. (ERCO)10.7 TWhMar 2010Aug 2024 Lignite Coal : 95.5% Natural Gas : 4.5%
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 36)Distributed Solar Development, LLCWatkins, COSouthwest Power Pool (SWPP)2.6 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 38)Distributed Solar Development, LLCWatkins, COSouthwest Power Pool (SWPP)3.4 GWhMay 2021Dec 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 44)Distributed Solar Development, LLCWatkins, COSouthwest Power Pool (SWPP)3.4 GWhNov 2020Dec 2023 Solar
Oak Leaf Solar XVIII LLCGreenbacker Renewable Energy CorporationDenver, COSouthwest Power Pool (SWPP)13.9 GWhNov 2021Dec 2023 Solar
Oak Leaf Solar XXI (CSG)Greenbacker Renewable Energy CorporationWatkins, COPublic Service Company of Colorado (PSCO)3.5 GWhNov 2018Dec 2023 Solar
Oak Leaf Solar XXII LLC (CSG)Greenbacker Renewable Energy CorporationDenver, COPublic Service Company of Colorado (PSCO)3.6 GWhDec 2018Dec 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
Oak Leaf Solar XXVI LLCGreenbacker Renewable Energy CorporationDenver, COPublic Service Company of Colorado (PSCO)3.2 GWhDec 2018Dec 2023 Solar
Oak Leaf Solar XXVII LLCGreenbacker Renewable Energy CorporationGreely, COPublic Service Company of Colorado (PSCO)3.4 GWhOct 2018Dec 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 XXX LLC (CSG)Greenbacker Renewable Energy CorporationAlamosa, COPublic Service Company of Colorado (PSCO)4.0 GWhNov 2018Dec 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 Solar XXXII (CSG)Greenbacker Renewable Energy CorporationRifle, COPublic Service Company of Colorado (PSCO)3.1 GWhFeb 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
Oak Point CogenChevron Oronite Co LLCBelle Chasse, LAMidcontinent Independent System Operator, Inc. (MISO)92.8 GWhSep 1999Dec 2023 Natural Gas
Oak Ridge LFGTEWabash Valley Power Assn, IncLogansport, INMidcontinent Independent System Operator, Inc. (MISO)21.7 GWhNov 2003Dec 2023 Landfill Gas
Oak Ridge SolarAES Clean EnergyOak Ridge, LAMidcontinent Independent System Operator, Inc. (MISO)313.8 GWhNov 2023Aug 2024 Solar
Oak SolarOak Solar LLCGaston, NCPJM Interconnection, LLC (PJM)108.3 GWhNov 2023Aug 2024 Solar
Oak Street SolarCitizens Enterprises CorporationSpringfield, MAISO New England (ISNE)5.4 GWhNov 2019Dec 2023 Solar
Oak Trail Solar, LLCLeeward Asset Management, LLCMoyock, NCPJM Interconnection, LLC (PJM)242.4 GWhJun 2023Aug 2024 Solar
Oak Tree EnergyConsolidated Edison Development Inc.Clark, SDSouthwest Power Pool (SWPP)66.7 GWhNov 2014Dec 2023 Wind
Oakboro FarmPalmetto Power Management LLCLaurinburg, NCDuke Energy Carolinas (DUK)8.3 GWhAug 2014Dec 2023 Solar
OakdaleNorthern Indiana Pub Serv CoMonticello, INMidcontinent Independent System Operator, Inc. (MISO)20.0 GWhOct 1925Dec 2023 Water
Oakdale Power StationMassachusetts Water Res AuthWest Boylston, MAISO New England (ISNE)12.0 GWhApr 1951Dec 2023 Water
Oakfield Wind ProjectOnward EnergyCity of Oakfield, MEISO New England (ISNE)316.5 GWhSep 2015Aug 2024 Wind
OaklandNautilus Solar SolutionsOakland, MEISO New England (ISNE)8.0 GWhAug 2022Dec 2023 Solar
Oakley Solar ProjectOakley Solar Project LLCOakley, CACalifornia Independent System Operator (CISO)2.4 GWhMay 2013Dec 2023 Solar
Oakwood SolarOakwood Solar, LLCMebane, NCDuke Energy Carolinas (DUK)9.5 GWhMay 2021Dec 2023 Solar
Oasis AltaTerra-Gen Operating Co-WindMojave, CACalifornia Independent System Operator (CISO)45.4 GWhMar 2021Dec 2023 Wind
Oasis WindTerra-Gen Operating Co-WindMojave, CACalifornia Independent System Operator (CISO)205.4 GWhNov 2004Dec 2023 Wind
Oberlin (KS)City of Oberlin - (KS)Oberlin, KSSouthwest Power Pool (SWPP)3.9 MWhDec 1953Dec 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%
Oberlin Spear Point Solar OneOberlin CollegeOberlin, OHPJM Interconnection, LLC (PJM)2.1 GWhOct 2012Dec 2023 Solar
Oberon IAOberon Solar IAOdessa, TXElectric Reliability Council of Texas, Inc. (ERCO)276.9 GWhJun 2020Aug 2024 Solar
Oberon IBOberon Solar IBOdessa, TXElectric Reliability Council of Texas, Inc. (ERCO)56.3 GWhJun 2020Aug 2024 Solar
Oberon II Solar ProjectIP Oberon II, LLCDesert Center, CACalifornia Independent System Operator (CISO)549.7 GWhAug 2023Aug 2024 Solar
Oberon Solar ProjectIP Oberon LLCDesert Center, CACalifornia Independent System Operator (CISO)534.1 GWhAug 2023Aug 2024 Solar
OBP CogenOBP Cogen LLCNew York, NYNew York Independent System Operator (NYIS)25.4 GWhMay 2010Dec 2023 Natural Gas
Occidental College Solar ProjectOccidental CollegeLos Angeles, CALos Angeles Department of Water and Power (LDWP)1.6 GWhJan 2013Dec 2023 Solar
Ocean County LandfillEPP Renewable EnergyManchester, NJPJM Interconnection, LLC (PJM)74.4 GWhJan 1997Aug 2024 Landfill Gas
Ocean State PowerOcean State Power CoHarrisville, RIISO New England (ISNE)1.3 TWhNov 1990Dec 2023 Natural Gas : 99.6%
Ocean State Power IIOcean State Power IIHarrisville, RIISO New England (ISNE)1.1 TWhSep 1991Dec 2023 Natural Gas : 99.7%
Oceana SolarVirginia Electric & Power CoVirginia Beach, VAPJM Interconnection, LLC (PJM)29.0 GWhNov 2017Dec 2023 Solar
OCI Alamo 2, LLCOCI Solar PowerConverse, TXElectric Reliability Council of Texas, Inc. (ERCO)9.5 GWhFeb 2014Dec 2023 Solar
OCI Alamo 3 LLCConsolidated Edison Development Inc.San Antonio, TXElectric Reliability Council of Texas, Inc. (ERCO)10.3 GWhNov 2014Dec 2023 Solar
OCI Alamo 4, LLCConsolidated Edison Development Inc.Brackettville, TXElectric Reliability Council of Texas, Inc. (ERCO)78.9 GWhJul 2014Dec 2023 Solar
OCI Alamo 5 LLCConsolidated Edison Development Inc.Uvalde, TXElectric Reliability Council of Texas, Inc. (ERCO)197.1 GWhNov 2015Dec 2023 Solar
OCI Alamo 7 LLCConsolidated Edison Development Inc.Haskell, TXElectric Reliability Council of Texas, Inc. (ERCO)250.2 GWhJul 2016Dec 2023 Solar
OCI Alamo Solar I HybridOCI Solar PowerSan Antonio, TXElectric Reliability Council of Texas, Inc. (ERCO)88.3 GWhNov 2013Dec 2023 Solar
Ocoee 1Tennessee Valley AuthorityBenton, TNTennessee Valley Authority (TVA)69.8 GWhDec 1911Dec 2023 Water
Ocoee 2Tennessee Valley AuthorityBenton, TNTennessee Valley Authority (TVA)80.7 GWhSep 1913Dec 2023 Water
Ocoee 3Tennessee Valley AuthorityBenton, TNTennessee Valley Authority (TVA)141.4 GWhMar 1943Dec 2023 Water
OconeeDuke Energy Carolinas, LLCSeneca, SCDuke Energy Carolinas (DUK)21.5 TWhJun 1973Aug 2024 Nuclear
Oconto Falls LowerEagle Creek Renewable Energy, LLCOconto Falls, WIMidcontinent Independent System Operator, Inc. (MISO)4.4 GWhDec 1970Dec 2023 Water
Oconto Falls UpperEagle Creek Renewable Energy, LLCOconto Falls, WIMidcontinent Independent System Operator, Inc. (MISO)3.2 GWhDec 1917Dec 2023 Water
OcotilloArizona Public Service CoTempe, AZArizona Public Service Company (AZPS)583.7 GWhFeb 1960Aug 2024 Natural Gas
Ocotillo Express LLCPattern Operators LPOcotillo, CACalifornia Independent System Operator (CISO)539.0 GWhNov 2012Aug 2024 Wind
Ocotillo WellsConductive PowerBorrego Springs, CACalifornia Independent System Operator (CISO)86.8 GWhAug 2023Aug 2024 Solar
Ocotillo WindpowerDuke Energy Renewables ServicesForsan, TXElectric Reliability Council of Texas, Inc. (ERCO)18.4 GWhAug 2008Dec 2023 Wind
Odell Wind FarmAlgonquin Power CoMountain Lake, MNMidcontinent Independent System Operator, Inc. (MISO)739.0 GWhJun 2016Dec 2023 Wind
Odessa-Ector Power PlantLaFrontera Holdings LLCOdessa, TXElectric Reliability Council of Texas, Inc. (ERCO)7.3 TWhJun 2001Aug 2024 Natural Gas
Odin Wind Farm LLCNRG Energy Gas & Wind Holdings IncMountainlake, MNMidcontinent Independent System Operator, Inc. (MISO)34.2 GWhApr 2008Dec 2023 Wind
Odyssey Energy Altura Cogen, LLCOdyssey Operating ServicesChannelview, TXElectric Reliability Council of Texas, Inc. (ERCO)3.5 TWhOct 1985Aug 2024 Natural Gas
Odyssey SolarOdyssey Solar, LLCPelion, SCDominion Energy South Carolina, Inc. (SCEG)17.5 GWhJul 2017Dec 2023 Solar
OE_ALDOE_ALDWing, ALSouthern Company Services, Inc. - Trans (SOCO)161.1 GWhMar 2023Aug 2024 Solar
OE_AZ1Onward EnergySalome, AZWestern Area Power Administration - Desert Southwest Region (WALC)86.4 GWhNov 2019Aug 2024 Solar
OE_ESCLOE_ESCLGrants, NMPublic Service Company of New Mexico (PNM)131.6 GWh-Aug 2024 Solar
OE_GA3Onward EnergyCamilla, GASouthern Company Services, Inc. - Trans (SOCO)116.0 GWhNov 2019Aug 2024 Solar
OE IL Solar 3OE IL Solar 3, LLCOregon, ILMidcontinent Independent System Operator, Inc. (MISO)4.1 GWhFeb 2022Dec 2023 Solar
OE_MS6OE_MS6St.Artesia, MSTennessee Valley Authority (TVA)114.9 GWh-Aug 2024 Solar
OER CheckerspotStandard SolarTracy's Landing, MDPJM Interconnection, LLC (PJM)3.0 GWhNov 2021Dec 2023 Solar
OER Monarch CSGStandard SolarUpper Marlboro, MDPJM Interconnection, LLC (PJM)3.4 GWhNov 2021Dec 2023 Solar
OER Patuxent CSGStandard SolarLothian, MDPJM Interconnection, LLC (PJM)4.2 GWhOct 2022Dec 2023 Solar
OES Biogas PowerOrganic Energy Solutions, Inc.San Bernardino, CACalifornia Independent System Operator (CISO)348.0 MWh-Dec 2023 Other Biomass Gas
OETN1OE_TN1Obion, TNTennessee Valley Authority (TVA)194.4 GWhFeb 2023Aug 2024 Solar
Off Airport Road - WestOff Airport Road - West, LLCAccord, NYNew York Independent System Operator (NYIS)6.3 GWhNov 2019Dec 2023 Solar
Ogburn Solar, LLCOgburn Solar, LLCJefferson, SCDuke Energy Progress East (CPLE)4.7 GWhNov 2022Dec 2023 Solar
OgdenCity of Ogden - (IA)Ogden, IAMidcontinent Independent System Operator, Inc. (MISO)5.0 MWhJun 1951Dec 2023 Distillate Fuel Oil
OgdensburgAmpersand Ogdensburg Hydro, LLCOgdensburg, NYNew York Independent System Operator (NYIS)4.0 GWhNov 1987Dec 2023 Water
Ohio FallsLouisville Gas & Electric CoShippingport Island, KYLouisville Gas and Electric Company and Kentucky Utilities Company (LGEE)272.0 GWhDec 1927Dec 2023 Water
Ohio Northern University Solar SiteAEP Onsite Partners, LLCAda, OHPJM Interconnection, LLC (PJM)4.0 GWhNov 2016Aug 2024 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