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 Jan 2026
Annual Generation 184.8 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 | 41.7% Solar | 26.8% Water | 11.8% Wind | 10.6% Nuclear | 9.5%

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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 201 to 300 of 1,388
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Wheelabrator ShastaShasta Sustainable Resource Management, Inc.Anderson, CA285 GWhSep 1987Oct 2025 Wood/Wood Waste Solids
Salinas River CogenerationSalinas River Cogeneration CoSan Ardo, CA255 GWhOct 1991Oct 2025 Natural Gas
PE BerkeleyBerkeley Cogeneration FacilityBerkeley, CA166 GWhMay 1987Oct 2025 Natural Gas
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA469 GWhNov 1985Oct 2025 Natural Gas
Southeast Kern River CogenChevron USA IncBakersfield, CA44 GWhJan 1989Oct 2025 Natural Gas
Municipal Cogen PlantPalm Springs City ofPalm Springs, CA6 GWhApr 1985Oct 2025 Natural Gas
Torrance Refining Company, LLCTorrance Refining Company, LLCTorrance, CA79 GWhAug 1983Oct 2025 Other Gas : 71.5% Waste Heat : 28.5%
Berry Cogen Tanne Hills 18Berry Petroleum CoMaricopa, CA140 GWhNov 1986Oct 2025 Natural Gas
Pacific-Ultrapower Chinese StationIHI Power Services CorpJamestown, CA138 GWhSep 1986Oct 2025 Wood/Wood Waste Solids : 99.7%
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA23 GWhMar 1987Oct 2025 Natural Gas
Mesa Wind Power LLCBrookfield Renewable Trading and Marketing LPNorth Palm Springs, CA8 GWhOct 1984Oct 2025 Wind
Painted Hills Wind ParkTerra-Gen Operating Co-WindWhitewater, CA173 GWhOct 1985Oct 2025 Wind
Gas Utilization FacilityCity of San DiegoSan Diego, CA31 GWhMay 1985Oct 2025 Other Biomass Gas
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA476 GWhJun 1982Oct 2025 Natural Gas
Oxnard Wastewater Treatment PlantOxnard City ofOxnard, CA4 GWhJul 1981Oct 2025 Other Biomass Gas : 95.1% Natural Gas : 4.9%
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987Oct 2025 Natural Gas : 79.1% Other Gas : 20.0% Waste/Other Oil : 0.9%
Sycamore CogenerationSycamore Cogeneration CoBakersfield, CA280 GWhNov 1987Oct 2025 Natural Gas
US BoraxU S Borax IncBoron, CA275 GWhJun 1984Oct 2025 Natural Gas
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA456 GWhFeb 1984Oct 2025 Geothermal
San Diego State UniversitySan Diego State UniversitySan Diego, CA53 GWhAug 2002Oct 2025 Natural Gas : 97.5% Solar : 2.5%
Humboldt Sawmill CompanyMendocino Forest ProductsScotia, CA109 GWhDec 1937Oct 2025 Wood/Wood Waste Solids : 99.8%
Coso Power DevelopersCoso Operating Co LLCInyokern, CA302 GWhOct 1989Oct 2025 Geothermal
Coso Finance PartnersCoso Operating Co LLCInyokern, CA367 GWhJun 1987Oct 2025 Geothermal
E F Oxnard Energy FacilityEF Oxnard, LLCOxnard, CA3 GWhMay 1990Oct 2025 Natural Gas
Argus Cogen PlantSearles Valley Minerals Operations Inc.Trona, CA256 GWhNov 1947Oct 2025 Bituminous Coal : 95.1% Natural Gas : 4.9%
Bear Mountain LimitedWCAC Operating CompanyBakersfield, CA34 GWhMar 1995Oct 2025 Natural Gas
San Jose CogenerationSan Jose State University Fclts Dev &OpsSan Jose, CA35 GWhNov 1984Oct 2025 Natural Gas
Puente Hills Energy RecoveryLos Angeles County SanitationWhittier, CA152 GWhSep 1986Oct 2025 Landfill Gas
Lockhart Solar PV, LLCTerra-Gen Operating Co-SolarHinkley, CA244 GWhNov 1989Oct 2025 Solar
New-Indy Ontario MillNew-Indy Ontario LLCOntario, CA245 GWhMay 1985Oct 2025 Natural Gas
Greenleaf 2 Power PlantGreenleaf Energy LLCYuba City, CA14 GWhSep 1989Oct 2025 Natural Gas
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA604 GWhJan 1987Oct 2025 Natural Gas
California Institute of TechnologyCalifornia Institute-TechnologyPasadena, CA41 GWhJul 2003Oct 2025 Natural Gas
El Segundo CogenChevron USA Inc-El SegundoEl Segundo, CA1 TWhNov 1987Oct 2025 Natural Gas : 99.7%
Loma Linda University CogenLoma Linda UniversityLoma Linda, CA64 GWhJan 1980Oct 2025 Natural Gas
Childrens HospitalDTE San Diego COGEN Inc.San Diego, CA25 GWhMar 2000Oct 2025 Natural Gas
James B BlackPacific Gas & Electric Co.Big Bend, CA606 GWhNov 1965Oct 2025 Water
Humboldt BayPacific Gas & Electric Co.Eureka, CA360 GWhAug 2010Oct 2025 Natural Gas : 99.6%
Pebbly Beach Generating Station HybridSouthern California Edison CoAvalon, CA29 GWhJun 1958Oct 2025 Distillate Fuel Oil : 94.5% Gaseous Propane : 5.5%
Mammoth PoolSouthern California Edison CoNorth Fork, CA405 GWhFeb 1960Oct 2025 Water
Big Creek 3Southern California Edison CoAuberry, CA606 GWhAug 1923Oct 2025 Water
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA18 TWhApr 1985Oct 2025 Nuclear
Big Creek 4Southern California Edison CoNorth Fork, CA323 GWhMay 1951Oct 2025 Water
BeldenPacific Gas & Electric Co.Belden, CA184 GWhAug 1969Oct 2025 Water
Middle ForkPlacer County Water AgencyForesthill, CA364 GWhSep 1966Oct 2025 Water
AES Alamitos LLCAES Alamitos LLCLong Beach, CA28 GWhAug 1956Oct 2025 Natural Gas
Dynegy Moss Landing Power Plant HybridDynegy -Moss Landing LLCMoss Landing, CA3 TWhNov 1967Oct 2025 Natural Gas
AES Huntington Beach LLCAES Huntington Beach LLCHuntington Beach, CA6 GWhMay 1958Oct 2025 Natural Gas
Devil CanyonCalifornia Dept. of Water ResourcesSan Bernardino, CA779 GWhNov 1972Oct 2025 Water
Big Creek 2ASouthern California Edison CoAuberry, CA214 GWhJul 1928Oct 2025 Water
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Oct 2025 Geothermal
Edward C HyattCalifornia Dept. of Water ResourcesOroville, CA2 TWhFeb 1968Oct 2025 Water
ThermalitoCalifornia Dept. of Water ResourcesOroville, CA314 GWhJan 1968Oct 2025 Water
Caribou 2Pacific Gas & Electric Co.Belden, CA387 GWhOct 1958Oct 2025 Water
HaasPacific Gas & Electric Co.Balch Camp, CA195 GWhNov 1958Oct 2025 Water
Kaweah Delta District HospitalKaweah Delta HospitalVisalia, CA21 GWhSep 2008Oct 2025 Natural Gas
ElectraPacific Gas & Electric Co.Jackson, CA243 GWhMay 1948Oct 2025 Water
Encina Water Pollution ControlEncina Joint Powers AuthorityCarlsbad, CA14 GWhOct 2008Oct 2025 Other Biomass Gas : 94.2% Natural Gas : 5.8%
ColgateYuba County Water AgencyDobbins, CA1 TWhSep 1969Oct 2025 Water
Rock CreekPacific Gas & Electric Co.Storrie, CA612 GWhFeb 1950Oct 2025 Water
Geothermal 1Northern California Power AgnyMiddletown, CA367 GWhDec 1982Oct 2025 Geothermal
PoePacific Gas & Electric Co.Storrie, CA326 GWhSep 1958Oct 2025 Water
Geothermal 2Northern California Power AgnyMiddletown, CA317 GWhNov 1985Oct 2025 Geothermal
R C KirkwoodCity & County of San FranciscoGroveland, CA404 GWhJan 1967Oct 2025 Water
Pit 7Pacific Gas & Electric Co.Montgomery Creek, CA448 GWhAug 1965Oct 2025 Water
MoccasinCity & County of San FranciscoMoccasin, CA280 GWhJul 1969Oct 2025 Water
Mountainview Generating StationSouthern California Edison CoRedlands, CA2 TWhNov 2005Oct 2025 Natural Gas
Solano WindSacramento Municipal Util DistRio Vista, CA793 GWhMay 1994Oct 2025 Wind
Dion R HolmCity & County of San FranciscoGroveland, CA466 GWhJul 1960Oct 2025 Water
Pit 5Pacific Gas & Electric Co.Big Bend, CA620 GWhMar 1944Oct 2025 Water
Pit 4Pacific Gas & Electric Co.Big Bend, CA405 GWhJun 1955Oct 2025 Water
Kerckhoff 2Pacific Gas & Electric Co.Auberry, CA371 GWhApr 1983Oct 2025 Water
King City Power PlantCalpine King City Cogen LLCKing City, CA31 GWhJan 1989Sep 2025 Natural Gas
Dynegy Oakland Power PlantDynegy Oakland, LLCOakland, CA3 GWhOct 1978Sep 2025 Jet Fuel
Kern River CogenerationKern River Cogeneration CoBakersfield, CA155 GWhJun 1985Sep 2025 Natural Gas
Badger Creek LimitedWCAC Operating CompanyBakersfield, CA6 GWhMar 1991Sep 2025 Natural Gas
Mariposa Energy ProjectDiamond Generating CorporationByron, CA45 GWhSep 2012Sep 2025 Natural Gas
Chalk Cliff LimitedWCAC Operating CompanyBakersfield, CA4 GWhFeb 1990Sep 2025 Natural Gas
Goal Line LPGoal Line LPEscondido, CA8 GWhJul 1994Sep 2025 Natural Gas
Hanford Energy Park PeakerMRP San Joaquin Energy LLC.Hanford, CA6 GWhAug 2001Sep 2025 Natural Gas
Berry CogenBerry Petroleum CoTaft, CA8 GWhNov 1986Sep 2025 Natural Gas
Pine FlatKings River Conservation DistPiedra, CA331 GWhDec 1983Sep 2025 Water
McKittrick LimitedWCAC Operating CompanyBakersfield, CA6 GWhSep 1991Sep 2025 Natural Gas
AltaGas Ripon Energy Inc.AltaGas Ripon Energy Inc.Ripon, CA2 GWhMar 1988Sep 2025 Natural Gas
El Segundo Energy Center LLCNRG Energy Services LLCEl Segundo, CA73 GWhJun 2013Sep 2025 Natural Gas
Midway Sunset CogenMidway-Sunset Cogeneration CoFellows, CA112 GWhApr 1989Aug 2025 Natural Gas
Ormond BeachOrmond Beach Power, LLCOxnard, CA43 GWhJul 1971Aug 2025 Natural Gas
Big Creek Water WorksBig Creek Water Works LtdHyampom, CA11 GWhDec 1986May 2025 Water
Irwindale Brew Yard, LLCIrwindale Brew Yard, LLCIrwindale, CA517 MWhJan 2002Apr 2025 Solar : 99.8%
Wildwood Solar IIDuke Energy Renewables ServicesWasco, CA39 GWhDec 2016Dec 2024 Solar
2097 Helton Solar ProjectSolarenewal LLCMerced, CA2 GWhMar 2014Dec 2024 Solar
Cloverdale Solar IAltus Power America Management, LLCCloverdale, CA2 GWhMay 2014Dec 2024 Solar
Laguna Water Reclamation FacilityCity of Santa RosaSanta Rosa, CA11 GWhFeb 2013Dec 2024 Other Biomass Gas : 85.8% Natural Gas : 14.2%
Las Virgenes Municipal Water DistrictTesla Inc.Calabasas, CA2 GWhJan 2014Dec 2024 Solar
White River Solar 2Consolidated Edison Development Inc.Alpaugh, CA48 GWhAug 2014Dec 2024 Solar
Henrietta Solar ProjectSouthern Power CoLemoore, CA218 GWhJul 2016Dec 2024 Solar
RE Camelot LLCOnward EnergyMojave, CA125 GWhNov 2014Dec 2024 Solar
RE Adams East, LLCOnward EnergyFresno, CA39 GWhNov 2014Dec 2024 Solar
RE Kansas Solar, LLCOnward EnergyLemoore, CA36 GWhNov 2014Dec 2024 Solar
RE Old River One, LLCOnward EnergyBakersfield, CA36 GWhNov 2014Dec 2024 Solar

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.484.7 TWh1,313
#5Southwest Power Pool300.6 TWh835
#6Southern Company Services, Inc. - Trans249.9 TWh417
#7California Independent System Operator184.8 TWh2,075
#9Tennessee Valley Authority161.0 TWh204
#10Florida Power & Light Co.149.6 TWh187
#12New York Independent System Operator132.6 TWh1,211
#13Duke Energy Carolinas111.6 TWh565
#15ISO New England107.8 TWh1,577
#16Bonneville Power Administration83.7 TWh163