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 Dec 2025
Annual Generation 187.8 TWh
Power Plants2,075
Utilities965
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% Solar | 26.5% Water | 11.2% Wind | 10.7% Nuclear | 9.4%

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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 1,101 to 1,200 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
City of Madera WWTPSunE GIL1, LLCMadera, CA1 GWhAug 2009Dec 2024 Solar
City of Hayward WWTPCity of HaywardHayward, CA11 GWhOct 2010Dec 2024 Other Biomass Gas : 60.4% Solar : 27.7% Natural Gas : 12.0%
Citizen BAES Distributed EnergyMendota, CA4 GWhNov 2015Dec 2024 Solar
CID Solar, LLCOnward EnergyCorcoran, CA45 GWhNov 2014Dec 2024 Solar
CID Solar (CA)DG California Solar LLCCorcoran, CA4 GWhAug 2019Dec 2024 Solar
Chula Vista Energy CenterWellhead Services, IncChula Vista, CA2 GWhApr 2001Nov 2024 Natural Gas
Chuckawalla Valley State PrisonSunE CPA CDC1 LLCBlythe, CA1 GWhMay 2006Dec 2024 Solar
Chuckawalla SolarAltus Power America Management, LLCBlythe, CA7 GWhMay 2012Dec 2024 Solar
Chowchilla IICalifornia Power Holdings LLCChowchilla, CA16 GWhMay 2001Dec 2024 Natural Gas
Chili BarSacramento Municipal Util DistPlacerville, CA33 GWhFeb 1965Dec 2024 Water
Childrens HospitalDTE San Diego COGEN Inc.San Diego, CA25 GWhMar 2000Sep 2025 Natural Gas
Chicago ParkNevada Irrigation DistrictColfax, CA60 GWhOct 1965Dec 2024 Water
Chevron - Lost Hills HybridMN8 Energy LLCLost Hills, CA67 GWhMar 2020Sep 2025 Solar
ChestnutCastanea Project LLCLemoore, CA391 GWhNov 2023Sep 2025 Solar
Chaparral SpringsLeeward Asset Management, LLCRosamond, CA428 GWh-Sep 2025 Solar
Chambers 4 - San Bernardino SNA7MN8 Energy LLCSan Bernardino, CA595 MWhNov 2018Dec 2024 Solar
Chambers 4 - Rialto LGB8MN8 Energy LLCRialto, CA4 GWhNov 2018Dec 2024 Solar
Chambers 4 - Redland LGB4MN8 Energy LLCRedlands, CA1 GWhFeb 2019Dec 2024 Solar
Chambers 4 - Eastvale LGB3MN8 Energy LLCEastvale, CA4 GWhJan 2019Dec 2024 Solar
Chambers 4 - Eastvale DCA2MN8 Energy LLCEastvale, CA424 MWhNov 2018Dec 2024 Solar
Chalk Cliff LimitedWCAC Operating CompanyBakersfield, CA4 GWhFeb 1990Sep 2025 Natural Gas
Chaffey College Rancho Cucamonga CampusChaffey Community College DistrictRancho Cucamonga, CA7 GWhJan 2017Dec 2024 Solar
Century Generating FacilityColton Power LPColton, CA952 MWhAug 2001Dec 2024 Natural Gas
Central CA Fuel Cell 1Central CA Fuel Cell 1Tulare, CA17 GWhApr 2018Dec 2024 Natural Gas
Central Antelope Dry Ranch CAES Distributed EnergyLancaster, CA33 GWhApr 2016Dec 2024 Solar
Central Antelope Dry Ranch B LLCCentral Antelope Dry Ranch B, LLCLancaster, CA7 GWhAug 2017Dec 2024 Solar
Central 40Central 40, LLCNewman, CA71 GWhJan 2021Sep 2025 Solar
Centinela Solar EnergyArevon Energy, Inc.Calexico, CA353 GWhJun 2013Dec 2024 Solar
Center HybridSouthern California Edison CoNorwalk, CA7 GWhAug 2007Dec 2024 Natural Gas
CED Ducor 4Consolidated Edison Development Inc.Ducor, CA52 GWhNov 2016Dec 2024 Solar
CED Ducor 3Consolidated Edison Development Inc.Ducor, CA39 GWhNov 2016Dec 2024 Solar
CED Ducor 2Consolidated Edison Development Inc.Ducor, CA52 GWhNov 2016Dec 2024 Solar
CED Ducor 1Consolidated Edison Development Inc.Ducor, CA52 GWhNov 2016Dec 2024 Solar
CED AvenalConsolidated Edison Development Inc.Avenal, CA10 GWhDec 2016Dec 2024 Solar
CDCR (CA) - Wasco State PrisonSunE Wasco SP Owner, LLCWasco, CA3 GWhNov 2013Dec 2024 Solar
CDCR (CA) - Solano State PrisonSunE Solano SP Owner, LLCVacaville, CA2 GWhNov 2013Dec 2024 Solar
CDCR (CA) - Pleasant Valley State PrisonTeam-Solar, Inc.Coalinga, CA3 GWhJun 2014Dec 2024 Solar
CDCR (CA) - Corcoran State PrisonSunE Corcoran SP Owner, LLCCorcoran, CA7 GWhNov 2013Dec 2024 Solar
CD4CD4Mammoth Lakes, CA277 GWhJun 2022Dec 2024 Geothermal
CCCSD Wastewater Treatment PlntCentral Contra Costa Sanitary DistrictMartinez, CA17 GWhNov 1995Sep 2025 Natural Gas
Cawelo Water District SolarScooby Solar, LLCFamoso, CA7 GWhSep 2023Dec 2024 Solar
Catalina Solar LLCEDF Renewable Asset Holdings, Inc.Rosamond, CA262 GWhNov 2012Dec 2024 Solar
Catalina Solar 2, LLCOnward EnergyRosamond, CA53 GWhJul 2015Dec 2024 Solar
Catalina ExpressAltus Power America Management, LLCSan Pedro, CA2 GWhNov 2020Dec 2024 Solar
Castor SolarZGlobal IncDustin Acres, CA917 MWhMar 2016Dec 2023 Solar
Castle Rock VineyardsCastle Rock CoolingDelano, CA2 GWhAug 2010Dec 2024 Solar
Case Vander Eyk, Jr Dairy SolarBravo REC Management LLCPixley, CA2 GWhSep 2023Dec 2024 Solar
Cascade SolarCascade Solar LLCJoshua Tree, CA51 GWhDec 2013Dec 2024 Solar
Carson CogenerationCarson Cogeneration CoCarson, CA29 GWhNov 1989Aug 2024 Natural Gas
Carlsbad Energy CenterNRG California Peaker Operations LLCCarlsbad, CA264 GWhNov 2018Sep 2025 Natural Gas
Caribou 2Pacific Gas & Electric Co.Belden, CA364 GWhOct 1958Sep 2025 Water
Caribou 1Pacific Gas & Electric Co.Belden, CA221 GWhMay 1921Dec 2024 Water
Canyon Power PlantCity of Anaheim - (CA)Anaheim, CA24 GWhJul 2011Sep 2025 Natural Gas
Cantua Solar StationPacific Gas & Electric Co.TBD, CA31 GWhMay 2012Dec 2024 Solar
Canal Energy S23, LLCCanal Energy S23, LLCHanford, CA8 GWhNov 2021Dec 2024 Solar
Campo Verde SolarSouthern Power CoEl Centro, CA295 GWhSep 2013Dec 2024 Solar
Camp San Luis ObispoEcoplexus, IncSan Luis Obispo, CA158 MWhJul 2024Nov 2024 Solar
Camino Solar HybridAvangrid Power LLCRosamond, CA80 GWh-Sep 2025 Solar
Cameron Ridge LLCTerra-Gen Operating Co-WindMojave, CA144 GWhNov 1984Dec 2024 Wind
CamChino Leasing LLCCamChino Leasing LLCChino, CA7 GWhNov 1987Dec 2024 Natural Gas
CamancheEast Bay Municipal Util DistClements & Wallace, CA32 GWhJun 1983Dec 2024 Water
CalTech - Pasadena Wilson AveBloom EnergyPasadena, CA10 GWhNov 2019Dec 2024 Natural Gas
CalTech - Pasadena (PPA)Bloom Energy 2009 PPAPasadena, CA9 GWhFeb 2016Dec 2024 Natural Gas
CalTech - PasadenaBloom EnergyPasadena, CA7 GWhFeb 2016Dec 2023 Natural Gas
Caltech CentralBloom Energy 2009 PPAPasadena, CA9 GWhOct 2010Dec 2024 Natural Gas
CalRenew-1CalRenew-1 LLCMendota, CA1 GWhMar 2010Dec 2024 Solar
CalPeak Power Vaca Dixon Peaker PlantCalPeak Power, LLCVacaville, CA4 GWhMay 2002Dec 2024 Natural Gas
CalPeak Power Panoche Peaker PlantCalPeak Power, LLCFirebaugh, CA10 GWhNov 2001Dec 2024 Natural Gas
CalPeak Power Enterprise Peaker PlantCalPeak Power, LLCEscondido, CA6 GWhOct 2001Dec 2024 Natural Gas
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA456 GWhFeb 1984Sep 2025 Geothermal
California Valley Solar RanchClearway Energy Operating LLCCalifornia Valley, CA598 GWhAug 2012Dec 2024 Solar
California State Univ at Channel IslandsSkyHigh 2 SolarCamarillo, CA8 GWhNov 2021Dec 2024 Solar
California PV Energy at ISD WWTPCalifornia PV Energy LLCOakley, CA2 GWhJul 2014Dec 2024 Solar
California Institute of TechnologyCalifornia Institute-TechnologyPasadena, CA40 GWhJul 2003Sep 2025 Natural Gas
California CityMN8 Energy LLCCalifornia City, CA5 GWhJun 2018Dec 2024 Solar
Calibrant Bakersfield LLCBay4 Energy Services, LLCBakersfield, CA4 GWhJan 2022Dec 2024 Solar
CalCity Solar 1CalCity Solar 1, LLCCalifornia City, CA8 GWhOct 2019Dec 2024 Solar
Calabasas Gas to Energy FacilityLos Angeles County SanitationAgoura, CA36 GWhJun 2010Dec 2024 Landfill Gas
Cabrillo CollegeForefront Power, LLCAptos, CA4 GWhNov 2023Dec 2024 Solar
Cabazon Wind PartnersShell Wind Energy Inc.Cabazon, CA97 GWhSep 2002Dec 2024 Wind
CA-Ventura Co CCD-Oxnard College CanopyForefront Power, LLCVentura, CA3 GWhNov 2022Dec 2024 Solar
CA - Ventura Co CCD - Moorpark CollegeForefront Power, LLCMoorpark, CA5 GWhJul 2023Dec 2024 Solar
CA- US Foods- LivermoreEDPRNA DG CA Livermore LLCLivermore, CA636 MWhJul 2024Dec 2024 Solar
CA Manteca 730 Spreckels AveCatalyze Manteca 730 Spreckels Avenue Microgrid LLCManteca, CA323 MWhAug 2024Dec 2024 Solar
CA - Madera USD - Madera South HSForefront Power, LLCMadera, CA2 GWhAug 2023Dec 2024 Solar
CA Jurupa Valley 3251 De Forest CircleCatalyze Mira Loma 3251 De Forest Circle Microgrid LLCJurupa Valley, CA5 GWhMar 2024Dec 2024 Solar
CA Institute for WomenEcoplexus, IncChino, CA2 GWhJan 2020Dec 2024 Solar
CA - Fresno County - Juvenile HallForefront Power, LLCFresno, CA552 MWhFeb 2022Dec 2024 Solar
CA Flats Solar 150, LLCArevon Energy, Inc.Shandon, CA300 GWhJan 2019Sep 2025 Solar
CA Flats Solar 130, LLCCalifornia Flats Solar 130, LLCShandon, CA263 GWhOct 2017Sep 2025 Solar
CA-DGS RFP-Salinas Valley State PrisonForefront Power, LLCSoledad, CA7 GWhOct 2023Dec 2024 Solar
CA - DGS RFP - RJ Donovan State PrisonForefront Power, LLCSan Diego, CA5 GWhDec 2023Dec 2024 Solar
CA-DGS RFP-Pleasant Valley State PrisonForefront Power, LLCCoalinga, CA4 GWhDec 2023Dec 2024 Solar
CA-DGS- RFP-Correctional Training FacForefront Power, LLCSoledad, CA3 GWhFeb 2024Dec 2024 Solar
CA-DGS-California Men's ColonyForefront Power, LLCSan Luis Obispo, CA5 GWhApr 2023Dec 2024 Solar
CA-DGS-California Correctional InstForefront Power, LLCTehachapi, CA7 GWhMar 2024Dec 2024 Solar
CA Dept of Public Health at RichmondCalifornia PV Energy LLCRichmond, CA4 GWhDec 2016Dec 2024 Solar
C&H Sugar PlantC&H Sugar Company IncCrockett, CA32 GWhSep 1957Sep 2025 Purchased Steam
Byron Highway SolarRPCA Solar 3, LLCByron, CA14 GWhOct 2022Dec 2024 Solar
Butte College Main Campus SolarButte-Glenn Community College DistrictOroville, CA6 GWhJun 2011Dec 2024 Solar

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#26Arizona Public Service Company23.9 TWh92
#54Arlington Valley, LLC3.4 TWh1
#36Balancing Authority of Northern California14.7 TWh87
#47Imperial Irrigation District6.4 TWh66
#29Los Angeles Department of Water and Power18.9 TWh124
#22Nevada Power Company37.2 TWh139
#61New Harquahala Generating Company, LLC665.5 GWh1
#19Salt River Project Agricultural Improvement and Power District59.9 TWh48
#57Turlock Irrigation District2.1 TWh11
#39Western Area Power Administration - Desert Southwest Region9.7 TWh33

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.484.5 TWh1,313
#5Southwest Power Pool300.8 TWh835
#6Southern Company Services, Inc. - Trans251.3 TWh417
#7California Independent System Operator187.8 TWh2,075
#9Tennessee Valley Authority161.9 TWh204
#10Florida Power & Light Co.149.3 TWh187
#12New York Independent System Operator132.0 TWh1,211
#13Duke Energy Carolinas112.3 TWh565
#15ISO New England106.2 TWh1,577
#16Bonneville Power Administration80.9 TWh163