2. Balancing Authorities
  3. California Independent System Operator

California Independent System Operator

Balancing Authority Summary Information

California Independent System Operator is ranked #7 out of 65 balancing authorities in terms of total annual electricity generation.

Balancing AuthorityCalifornia Independent System Operator
States Arizona California Nevada
Last Update May 2025
Annual Generation 189.5 TWh
Power Plants1,943
Utilities893
Ranked #7 out of 65 in terms of net annual generation
Ranked #7 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 43.6% Solar | 24.8% Water | 11.6% Wind | 10.8% Nuclear | 9.7%

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Daily Net Generation for California Independent System Operator for the past 3 Years

List of All California Independent System Operator Power Plants

Displaying Results 101 to 200 of 1,366
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
AES Alamitos Energy CenterAES Alamitos Energy, LLCLong Beach, CA2 TWhJan 2020Feb 2025 Natural Gas
SJ/SC WPCPSan Jose/Santa Clara Water P CSan Jose, CA76 GWhJan 1953Feb 2025 Other Biomass Gas : 50.4% Natural Gas : 49.5%
AES Huntington Beach Energy ProjectAES Huntington Beach Energy, LLCHuntington Beach, CA2 TWhJan 2020Feb 2025 Natural Gas
THUMSTHUMS Long Beach CompanyLong Beach, CA325 GWhDec 2002Feb 2025 Natural Gas
MalburgCity of VernonVernon, CA356 GWhSep 2005Feb 2025 Natural Gas
WWTP Power Generation StationEast Bay Municipal Util DistOakland, CA29 GWhJul 1985Feb 2025 Other Biomass Gas : 98.8% Distillate Fuel Oil : 1.2%
Donald Von Raesfeld Power PlantCity of Santa Clara - (CA)Santa Clara, CA880 GWhFeb 2005Feb 2025 Natural Gas
Desert Harvest, LLCDesert Harvest, LLCDesert Center, CA202 GWhNov 2020Feb 2025 Solar
Palomar EnergySan Diego Gas & Electric CoEscondido, CA979 GWhSep 2005Feb 2025 Natural Gas
Maverick Solar, LLCMaverick Solar, LLCDesert Center, CA379 GWhNov 2020Feb 2025 Solar
Elk Hills CogenCalifornia Resources Elk Hills LLCTupman, CA76 GWhOct 1994Feb 2025 Natural Gas
Tracy Combined Cycle Power PlantMRP San Joaquin Energy LLC.Tracy, CA911 GWhMar 2003Feb 2025 Natural Gas
Valentine Solar, LLCEDF Renewable Asset Holdings, Inc.Rosamond, CA292 GWhOct 2019Feb 2025 Solar
Valero Refinery Cogeneration Unit 1Valero Refining Co CaliforniaBenicia, CA171 GWhSep 2002Feb 2025 Natural Gas : 96.3% Other Gas : 3.7%
Henrietta PeakerMRP San Joaquin Energy LLC.Lemoore, CA10 GWhMay 2002Feb 2025 Natural Gas
Los Esteros Critical Energy CenterLos Esteros Critical Energy Facility LLCSan Jose, CA224 GWhJan 2003Feb 2025 Natural Gas
Mountain View I & IIAES Distributed EnergyNorth Palm Springs, CA278 GWhMay 2001Feb 2025 Wind
Hanford Energy Park PeakerMRP San Joaquin Energy LLC.Hanford, CA6 GWhAug 2001Feb 2025 Natural Gas
Pastoria Energy Facility, LLCCalpine Corp - Pastoria Energy CenterLebec, CA4 TWhApr 2005Feb 2025 Natural Gas
Little Bear 4Little Bear Solar 4, LLC (Longroad)Mendota, CA49 GWhNov 2020Feb 2025 Solar
Little Bear 5Little Bear Solar 5, LLC (Longroad)Mendota, CA119 GWhNov 2020Feb 2025 Solar
AquamarineAquamarine Westside LLCLemoore, CA469 GWhAug 2021Feb 2025 Solar
Elk Hills Power LLCElk Hills Power LLCTupman, CA2 TWhJun 2003Feb 2025 Natural Gas
Metcalf Energy CenterCalpine Corp - Metcalf Energy CenterSan Jose, CA2 TWhMay 2005Feb 2025 Natural Gas
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA2 TWhSep 2009Feb 2025 Natural Gas
Delta Energy CenterDelta Energy Center LLCPittsburg, CA3 TWhApr 2002Feb 2025 Natural Gas
Blythe Energy IncAltaGas Blythe Operations IncBlythe, CA581 GWhNov 2003Feb 2025 Natural Gas
Los Medanos Energy CenterLos Medanos Energy Center LLCPittsburg, CA3 TWhJul 2001Feb 2025 Natural Gas
La Paloma Generating PlantCXA La Paloma LLCMcKittrick, CA2 TWhDec 2002Feb 2025 Natural Gas
Crockett Cogen ProjectCrockett CogenerationCrockett, CA1 TWhNov 1995Feb 2025 Natural Gas
Desert Star Energy CenterDesert Star Energy Center SDG&EBoulder City, NV762 GWhApr 2000Feb 2025 Natural Gas
Martinez RefiningMartinez Refining CoMartinez, CA787 GWhOct 1995Feb 2025 Natural Gas : 96.2% Other Gas : 3.8%
Saint Agnes Medical CenterSaint Agnes Medical CenterFresno, CA26 GWhApr 2001Feb 2025 Natural Gas
Live Oak LimitedWCAC Operating CompanyBakersfield, CA12 GWhFeb 1992Feb 2025 Natural Gas
Goal Line LPGoal Line LPEscondido, CA11 GWhJul 1994Feb 2025 Natural Gas
Collierville PowerhouseNorthern California Power AgnyMurphys, CA533 GWhOct 1989Feb 2025 Water
Drew Solar LLCDrew Solar LLCCalexico, CA311 GWhOct 2022Feb 2025 Solar
Biola University HybridBiola UniversityLa Mirada, CA12 GWhMar 1990Feb 2025 Natural Gas
Athos Solar ProjectSE Athos I, LLCDesert Center, CA631 GWhMay 2022Feb 2025 Solar
Midway Sunset CogenMidway-Sunset Cogeneration CoFellows, CA273 GWhApr 1989Feb 2025 Natural Gas
CP Kelco San Diego PlantCP Kelco US Inc.San Diego, CA76 GWhSep 1983Feb 2025 Natural Gas
Richmond CogenChevron Products Company-RichmondRichmond, CA957 GWhJul 1992Feb 2025 Natural Gas : 97.1% Other Gas : 2.9%
Kern River Eastridge CogenChevron USA IncBakersfield, CA226 GWhMay 1988Feb 2025 Natural Gas
Berry Placerita CogenShadow Wolf EnergySanta Clarita, CA30 GWhFeb 1990Feb 2025 Natural Gas
Taft 26C CogenChevron USA IncTaft, CA55 GWhJun 1982Feb 2025 Natural Gas
Sun Streams 2Sun Streams 2, LLCHassayampa, AZ307 GWhMay 2021Feb 2025 Solar
Dixie ValleyOrmat Nevada IncFallon, NV309 GWhMay 1988Feb 2025 Geothermal
Point WindTerra-Gen Operating Co-WindTehachapi, CA235 GWhFeb 2021Feb 2025 Wind
Naval Hospital Medical CenterDepartment of the NavySan Diego, CA12 GWhNov 2003Feb 2025 Natural Gas
Wheelabrator ShastaShasta Sustainable Resource Management, Inc.Anderson, CA276 GWhSep 1987Feb 2025 Wood/Wood Waste Solids
Salinas River CogenerationSalinas River Cogeneration CoSan Ardo, CA257 GWhOct 1991Feb 2025 Natural Gas
PE BerkeleyBerkeley Cogeneration FacilityBerkeley, CA157 GWhMay 1987Feb 2025 Natural Gas
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA477 GWhNov 1985Feb 2025 Natural Gas
Southeast Kern River CogenChevron USA IncBakersfield, CA59 GWhJan 1989Feb 2025 Natural Gas
Chevron - Lost Hills HybridMN8 Energy LLCLost Hills, CA67 GWhMar 2020Feb 2025 Solar
Municipal Cogen PlantPalm Springs City ofPalm Springs, CA7 GWhApr 1985Feb 2025 Natural Gas
Torrance Refining Company, LLCTorrance Refining Company, LLCTorrance, CA76 GWhAug 1983Feb 2025 Other Gas : 81.7% Waste Heat : 18.3%
Berry Cogen Tanne Hills 18Berry Petroleum CoMaricopa, CA138 GWhNov 1986Feb 2025 Natural Gas
Pacific-Ultrapower Chinese StationIHI Power Services CorpJamestown, CA144 GWhSep 1986Feb 2025 Wood/Wood Waste Solids : 99.6%
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA25 GWhMar 1987Feb 2025 Natural Gas
Painted Hills Wind ParkTerra-Gen Operating Co-WindWhitewater, CA173 GWhOct 1985Feb 2025 Wind
Gas Utilization FacilityCity of San DiegoSan Diego, CA32 GWhMay 1985Feb 2025 Other Biomass Gas
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA487 GWhJun 1982Feb 2025 Natural Gas
Slate HybridMN8 Energy LLCStratford, CA682 GWhOct 2021Feb 2025 Solar
AltaGas Ripon Energy Inc.AltaGas Ripon Energy Inc.Ripon, CA3 GWhMar 1988Feb 2025 Natural Gas
Solar BlueWestlands Solar Blue (OZ) Owner, LLCLemoore, CA646 GWhNov 2023Feb 2025 Solar : 95.7%
ChestnutChestnut Westside, LLCLemoore, CA378 GWhNov 2023Feb 2025 Solar : 95.4%
Oxnard Wastewater Treatment PlantOxnard City ofOxnard, CA5 GWhJul 1981Feb 2025 Other Biomass Gas : 92.6% Natural Gas : 7.4%
Golden Field Solar III, LLCGolden Field Solar III, LLCRosamond, CA538 GWhNov 2020Feb 2025 Solar
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987Feb 2025 Natural Gas : 84.2% Other Gas : 15.5%
Titan Solar 1 (CA)Titan Solar 1, LLCBorrego Springs, CA148 GWhNov 2020Feb 2025 Solar
Berry CogenBerry Petroleum CoTaft, CA14 GWhNov 1986Feb 2025 Natural Gas
Central 40Central 40, LLCNewman, CA69 GWhJan 2021Feb 2025 Solar
Sycamore CogenerationSycamore Cogeneration CoBakersfield, CA273 GWhNov 1987Feb 2025 Natural Gas
US BoraxU S Borax IncBoron, CA267 GWhJun 1984Feb 2025 Natural Gas
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA467 GWhFeb 1984Feb 2025 Geothermal
San Diego State UniversitySan Diego State UniversitySan Diego, CA50 GWhAug 2002Feb 2025 Natural Gas : 98.0% Solar : 2.0%
Humboldt Sawmill CompanyMendocino Forest ProductsScotia, CA118 GWhDec 1937Feb 2025 Wood/Wood Waste Solids : 99.7%
Coso Power DevelopersCoso Operating Co LLCInyokern, CA309 GWhOct 1989Feb 2025 Geothermal
Coso Finance PartnersCoso Operating Co LLCInyokern, CA372 GWhJun 1987Feb 2025 Geothermal
Desert Harvest II LLCDesert Harvest II LLCDesert Center, CA164 GWhNov 2020Feb 2025 Solar
Maverick Solar 4, LLCMaverick Solar 4, LLCDesert Center, CA239 GWhNov 2020Feb 2025 Solar
Maverick Solar 6, LLCMaverick Solar 6, LLCDesert Center, CA246 GWhOct 2021Feb 2025 Solar : 99.8%
Maverick Solar 7, LLCMaverick Solar 7, LLCDesert Center, CA300 GWhNov 2021Feb 2025 Solar
Fifth Standard Solar PV, LLC (Hybrid)RWE Renewables Americas, LLCHuron, CA329 GWhAug 2023Feb 2025 Solar
SE Athos II, LLCSE Athos II, LLCDesert Center, CA503 GWhNov 2021Feb 2025 Solar
Argus Cogen PlantSearles Valley Minerals Operations Inc.Trona, CA260 GWhNov 1947Feb 2025 Bituminous Coal : 93.4% Natural Gas : 6.6%
Coachella Hills WindTerra-Gen Operating Co-WindPalm Springs, CA216 GWhFeb 2021Feb 2025 Wind
Summit WindsGreenbacker Renewable Energy CorporationLivermore, CA173 GWhJun 2021Feb 2025 Wind
Badger Creek LimitedWCAC Operating CompanyBakersfield, CA13 GWhMar 1991Feb 2025 Natural Gas
San Jose CogenerationSan Jose State University Fclts Dev &OpsSan Jose, CA34 GWhNov 1984Feb 2025 Natural Gas
Puente Hills Energy RecoveryLos Angeles County SanitationWhittier, CA159 GWhSep 1986Feb 2025 Landfill Gas
Lockhart Solar PV, LLCTerra-Gen Operating Co-SolarHinkley, CA227 GWhNov 1989Feb 2025 Solar
Geothermal 2Northern California Power AgnyMiddletown, CA340 GWhNov 1985Feb 2025 Geothermal
LucianaTulare Solar Center, LLCRichgrove, CA128 GWhMar 2022Feb 2025 Solar
Pebbly Beach Generating Station HybridSouthern California Edison CoAvalon, CA29 GWhJun 1958Feb 2025 Distillate Fuel Oil : 94.6% Gaseous Propane : 5.4%
Scarlet Solar (CA)EDP Renewables North America LLCFresno, CA326 GWh-Feb 2025 Solar
Edwards Sanborn E2Terra-Gen Operating Co-HybridMojave, CA297 GWhNov 2021Feb 2025 Solar
Edwards Sanborn E1ATerra-Gen Operating Co-HybridMojave, CA331 GWhJul 2022Feb 2025 Solar
Edwards Sanborn E3Terra-Gen Operating Co-HybridMojave, CA51 GWhNov 2021Feb 2025 Solar

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#27Arizona Public Service Company22.7 TWh75
#55Arlington Valley, LLC3.3 TWh1
#36Balancing Authority of Northern California15.0 TWh83
#48Imperial Irrigation District5.8 TWh65
#33Los Angeles Department of Water and Power17.4 TWh120
#22Nevada Power Company38.1 TWh136
#54New Harquahala Generating Company, LLC3.6 TWh1
#18Salt River Project Agricultural Improvement and Power District58.5 TWh45
#58Turlock Irrigation District2.1 TWh11
#42Western Area Power Administration - Desert Southwest Region8.3 TWh30

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.474.5 TWh1,139
#5Southwest Power Pool296.3 TWh762
#6Southern Company Services, Inc. - Trans252.3 TWh393
#7California Independent System Operator189.5 TWh1,943
#8Tennessee Valley Authority158.9 TWh170
#10Florida Power & Light Co.148.5 TWh159
#12New York Independent System Operator130.9 TWh1,100
#13Duke Energy Carolinas111.3 TWh556
#15ISO New England103.6 TWh1,487
#16Bonneville Power Administration83.0 TWh158