Directory of Power Plants in California

List of All California Power Plants

Displaying Results 1 to 35 of 35
Plant NameUtilityLocationBalancing AuthorityAnnual GenerationPlant DateLast UpdateFuel Types
Olive View Medical CenterLos Angeles County DHSSylmar, CALos Angeles Department of Water and Power (LDWP)11.4 GWhJan 1987Feb 2024 Natural Gas
Occidental College Solar ProjectOccidental CollegeLos Angeles, CALos Angeles Department of Water and Power (LDWP)1.6 GWhJan 2013Dec 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
Ormesa IIIOrmat Nevada IncHoltville, CAImperial Irrigation District (IID)68.5 GWhApr 1989Dec 2023 Geothermal
Ormesa IOrmat Nevada IncHoltville, CAImperial Irrigation District (IID)101.7 GWhNov 1986Dec 2023 Geothermal
Ormesa IIOrmat Nevada IncHoltville, CAImperial Irrigation District (IID)95.0 GWhApr 1989Dec 2023 Geothermal
OES Biogas PowerOrganic Energy Solutions, Inc.San Bernardino, CACalifornia Independent System Operator (CISO)348.0 MWh-Dec 2023 Other Biomass Gas
One Market PlazaParamount Group IncSan Francisco, CACalifornia Independent System Operator (CISO)993.0 MWhNov 2003Dec 2023 Natural Gas
Otoe Solar Power Generation Station 1 LLCAES Distributed EnergyApple Valley, CACalifornia Independent System Operator (CISO)3.5 GWhNov 2013Dec 2023 Solar
Orion Solar IOrion Solar I LLCArvin, CACalifornia Independent System Operator (CISO)28.9 GWhMar 2014Dec 2023 Solar
Orion Solar IIOrion Solar II, LLCArvin, CACalifornia Independent System Operator (CISO)18.3 GWhMay 2014Dec 2023 Solar
Oro LomaConsolidated Edison Development Inc.Oro Loma, CACalifornia Independent System Operator (CISO)25.3 GWhDec 2016Dec 2023 Solar
One Ten Partners PVOne Ten Partners, LLCPalmdale, CACalifornia Independent System Operator (CISO)5.4 GWhAug 2017Dec 2023 Solar
Oxnard Paper MillNew-Indy, Oxnard LLCOxnard, CACalifornia Independent System Operator (CISO)193.1 GWhFeb 1986Aug 2024 Natural Gas
Oasis AltaTerra-Gen Operating Co-WindMojave, CACalifornia Independent System Operator (CISO)45.4 GWhMar 2021Dec 2023 Wind
OK Produce Fresno CarportOK ProduceFresno, CACalifornia Independent System Operator (CISO)3.1 GWhDec 2018Dec 2023 Solar
Orange Coast College PH2 Solar ProjectSolar Star Coastal Pirate, LLCCosta Mesa, CACalifornia Independent System Operator (CISO)4.6 GWhApr 2022Dec 2023 Solar : 88.9% Electricity used for energy storage : 11.1%
Oberon Solar ProjectIP Oberon LLCDesert Center, CACalifornia Independent System Operator (CISO)534.1 GWhAug 2023Aug 2024 Solar
Oberon II Solar ProjectIP Oberon II, LLCDesert Center, CACalifornia Independent System Operator (CISO)549.7 GWhAug 2023Aug 2024 Solar
Ocotillo WellsConductive PowerBorrego Springs, CACalifornia Independent System Operator (CISO)86.8 GWhAug 2023Aug 2024 Solar
Oltmans SCE at JurupaCalifornia PV Energy LLCOntario, CACalifornia Independent System Operator (CISO)1.7 GWhNov 2013Dec 2023 Solar
Oltmans SCE at ChampagneCalifornia PV Energy LLCOntario, CACalifornia Independent System Operator (CISO)1.2 GWhNov 2013Dec 2023 Solar
Oakley Solar ProjectOakley Solar Project LLCOakley, CACalifornia Independent System Operator (CISO)2.4 GWhMay 2013Dec 2023 Solar
Ormond BeachOrmond Beach Power, LLCOxnard, CACalifornia Independent System Operator (CISO)44.9 GWhJul 1971Aug 2024 Natural Gas
Ocotillo Express LLCPattern Operators LPOcotillo, CACalifornia Independent System Operator (CISO)539.0 GWhNov 2012Aug 2024 Wind
Orange Grove Peaking FacilityOrange Grove Energy LPPala, CACalifornia Independent System Operator (CISO)18.1 GWhMay 2010Dec 2023 Natural Gas
Oasis WindTerra-Gen Operating Co-WindMojave, CACalifornia Independent System Operator (CISO)205.4 GWhNov 2004Dec 2023 Wind
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CACalifornia Independent System Operator (CISO)2.4 TWhSep 2009Aug 2024 Natural Gas
Oroville Cogeneration LPOroville Cogeneration LPOroville, CACalifornia Independent System Operator (CISO)235.0 MWhDec 1989Dec 2023 Natural Gas
OLS Energy ChinoOLS Energy-ChinoChino, CACalifornia Independent System Operator (CISO)10.7 GWhNov 1987Dec 2023 Natural Gas
Oak Creek Energy Systems ITerra-Gen Operating Co-WindMojave, CACalifornia Independent System Operator (CISO)37.8 GWhMay 1982Dec 2023 Wind
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CACalifornia Independent System Operator (CISO)483.7 GWhJun 1982Aug 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%
OlsenOlsen Power PartnersWhitmore, CACalifornia Independent System Operator (CISO)18.4 GWhDec 1989Dec 2023 Water
Oxbow (CA)Placer County Water AgencyForesthill, CACalifornia Independent System Operator (CISO)13.8 GWhSep 1966Dec 2023 Water

Browse Power Plants By California Counties

Figures are based on August 2024 generation numbers.
CountyState RankActive PlantsAug 2024 Generation
Mendocino County, CA# 55411.1 GWh
Marin County, CA# 54312.9 GWh
Glenn County, CA# 53216.5 GWh
Sierra County, CA# 52328.6 GWh
Napa County, CA# 51748.3 GWh
Santa Cruz County, CA# 50668.1 GWh
Tehama County, CA# 49771.4 GWh
San Francisco County, CA# 481077.0 GWh
San Mateo County, CA# 4710130.9 GWh
Yolo County, CA# 4615237.1 GWh
Mariposa County, CA# 452296.6 GWh
Santa Barbara County, CA# 4418303.3 GWh
San Benito County, CA# 435313.4 GWh
Siskiyou County, CA# 428321.3 GWh
Lassen County, CA# 419339.7 GWh
Nevada County, CA# 4012356.1 GWh
Trinity County, CA# 395383.8 GWh
Humboldt County, CA# 3810493.4 GWh
Calaveras County, CA# 376754.2 GWh
Merced County, CA# 3625774.2 GWh
Mono County, CA# 359794.9 GWh
Ventura County, CA# 3430795.4 GWh
Tulare County, CA# 3353842.8 GWh
Amador County, CA# 327883.1 GWh
Lake County, CA# 3110904.8 GWh
Inyo County, CA# 30231.2 TWh
Madera County, CA# 29261.3 TWh
Yuba County, CA# 2841.6 TWh
CountyState RankActive PlantsAug 2024 Generation
Plumas County, CA# 27131.8 TWh
El Dorado County, CA# 26151.8 TWh
Sutter County, CA# 2572.0 TWh
San Joaquin County, CA# 24402.3 TWh
Placer County, CA# 23212.4 TWh
Stanislaus County, CA# 22242.5 TWh
Alameda County, CA# 21432.7 TWh
Solano County, CA# 20403.0 TWh
Colusa County, CA# 1933.1 TWh
Kings County, CA# 18543.5 TWh
Tuolumne County, CA# 17233.5 TWh
Orange County, CA# 16583.6 TWh
Butte County, CA# 15254.1 TWh
Santa Clara County, CA# 14734.8 TWh
Monterey County, CA# 13295.1 TWh
Sonoma County, CA# 12245.1 TWh
San Diego County, CA# 111485.6 TWh
Sacramento County, CA# 10636.4 TWh
Shasta County, CA# 9466.9 TWh
Fresno County, CA# 81048.5 TWh
Imperial County, CA# 78310.3 TWh
Riverside County, CA# 615813.7 TWh
San Bernardino County, CA# 519614.4 TWh
Contra Costa County, CA# 45014.9 TWh
San Luis Obispo County, CA# 32019.0 TWh
Los Angeles County, CA# 229021.0 TWh
Kern County, CA# 129332.9 TWh