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 Apr 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 | 43.4% Solar | 24.7% Water | 11.7% Wind | 11% 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 1 to 100 of 1,366
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Naval Hospital Medical CenterDepartment of the NavySan Diego, CA12 GWhNov 2003Feb 2025 Natural Gas
J S EastwoodSouthern California Edison CoShaver Lake, CA8 GWhNov 1987Feb 2025 Water
Elk Hills Power LLCElk Hills Power LLCTupman, CA2 TWhJun 2003Feb 2025 Natural Gas
Childrens HospitalDTE San Diego COGEN Inc.San Diego, CA26 GWhMar 2000Feb 2025 Natural Gas
CP Kelco San Diego PlantCP Kelco US Inc.San Diego, CA76 GWhSep 1983Feb 2025 Natural Gas
Municipal Cogen PlantPalm Springs City ofPalm Springs, CA7 GWhApr 1985Feb 2025 Natural Gas
US BoraxU S Borax IncBoron, CA267 GWhJun 1984Feb 2025 Natural Gas
Delta Energy CenterDelta Energy Center LLCPittsburg, CA3 TWhApr 2002Feb 2025 Natural Gas
Edward C HyattCalifornia Dept. of Water ResourcesOroville, CA2 TWhFeb 1968Feb 2025 Water
San Diego State UniversitySan Diego State UniversitySan Diego, CA50 GWhAug 2002Feb 2025 Natural Gas : 98.0% Solar : 2.0%
Geothermal 2Northern California Power AgnyMiddletown, CA340 GWhNov 1985Feb 2025 Geothermal
Caribou 2Pacific Gas & Electric Co.Belden, CA353 GWhOct 1958Feb 2025 Water
Collierville PowerhouseNorthern California Power AgnyMurphys, CA533 GWhOct 1989Feb 2025 Water
Live Oak LimitedWCAC Operating CompanyBakersfield, CA12 GWhFeb 1992Feb 2025 Natural Gas
ColgateYuba County Water AgencyDobbins, CA1 TWhSep 1969Feb 2025 Water
Henrietta PeakerMRP San Joaquin Energy LLC.Lemoore, CA10 GWhMay 2002Feb 2025 Natural Gas
Lockhart Solar PV, LLCTerra-Gen Operating Co-SolarHinkley, CA227 GWhNov 1989Feb 2025 Solar
Kerckhoff 2Pacific Gas & Electric Co.Auberry, CA420 GWhApr 1983Feb 2025 Water
Mountain View I & IIAES Distributed EnergyNorth Palm Springs, CA278 GWhMay 2001Feb 2025 Wind
Coso Finance PartnersCoso Operating Co LLCInyokern, CA372 GWhJun 1987Feb 2025 Geothermal
Sycamore CogenerationSycamore Cogeneration CoBakersfield, CA273 GWhNov 1987Feb 2025 Natural Gas
Argus Cogen PlantSearles Valley Minerals Operations Inc.Trona, CA260 GWhNov 1947Feb 2025 Bituminous Coal : 93.4% Natural Gas : 6.6%
ElectraPacific Gas & Electric Co.Jackson, CA263 GWhMay 1948Feb 2025 Water
HaasPacific Gas & Electric Co.Balch Camp, CA439 GWhNov 1958Feb 2025 Water
Middle ForkPlacer County Water AgencyForesthill, CA439 GWhSep 1966Feb 2025 Water
Taft 26C CogenChevron USA IncTaft, CA55 GWhJun 1982Feb 2025 Natural Gas
Wheelabrator ShastaShasta Sustainable Resource Management, Inc.Anderson, CA276 GWhSep 1987Feb 2025 Wood/Wood Waste Solids
Humboldt BayPacific Gas & Electric Co.Eureka, CA357 GWhAug 2010Feb 2025 Natural Gas : 99.4% Distillate Fuel Oil : 0.6%
James B BlackPacific Gas & Electric Co.Big Bend, CA370 GWhNov 1965Feb 2025 Water
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA18 TWhApr 1985Feb 2025 Nuclear
Dynegy Moss Landing Power Plant HybridDynegy -Moss Landing LLCMoss Landing, CA3 TWhNov 1967Feb 2025 Natural Gas
Loma Linda University CogenLoma Linda UniversityLoma Linda, CA59 GWhJan 1980Feb 2025 Natural Gas
Desert Star Energy CenterDesert Star Energy Center SDG&EBoulder City, NV762 GWhApr 2000Feb 2025 Natural Gas
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA2 TWhSep 2009Feb 2025 Natural Gas
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA699 GWhJan 1987Feb 2025 Natural Gas
Solano WindSacramento Municipal Util DistRio Vista, CA679 GWhMay 1994Feb 2025 Wind
Pit 4Pacific Gas & Electric Co.Big Bend, CA374 GWhJun 1955Feb 2025 Water
Pit 5Pacific Gas & Electric Co.Big Bend, CA445 GWhMar 1944Feb 2025 Water
Valero Refinery Cogeneration Unit 1Valero Refining Co CaliforniaBenicia, CA171 GWhSep 2002Feb 2025 Natural Gas : 96.3% Other Gas : 3.7%
Pit 7Pacific Gas & Electric Co.Montgomery Creek, CA310 GWhAug 1965Feb 2025 Water
Los Medanos Energy CenterLos Medanos Energy Center LLCPittsburg, CA3 TWhJul 2001Feb 2025 Natural Gas
Rock CreekPacific Gas & Electric Co.Storrie, CA617 GWhFeb 1950Feb 2025 Water
Pacific-Ultrapower Chinese StationIHI Power Services CorpJamestown, CA144 GWhSep 1986Feb 2025 Wood/Wood Waste Solids : 99.6%
Berry CogenBerry Petroleum CoTaft, CA14 GWhNov 1986Feb 2025 Natural Gas
Gas Utilization FacilityCity of San DiegoSan Diego, CA32 GWhMay 1985Feb 2025 Other Biomass Gas
AltaGas Ripon Energy Inc.AltaGas Ripon Energy Inc.Ripon, CA3 GWhMar 1988Feb 2025 Natural Gas
Salinas River CogenerationSalinas River Cogeneration CoSan Ardo, CA257 GWhOct 1991Feb 2025 Natural Gas
Torrance Refining Company, LLCTorrance Refining Company, LLCTorrance, CA76 GWhAug 1983Feb 2025 Other Gas : 81.7% Waste Heat : 18.3%
Hanford Energy Park PeakerMRP San Joaquin Energy LLC.Hanford, CA6 GWhAug 2001Feb 2025 Natural Gas
PE BerkeleyBerkeley Cogeneration FacilityBerkeley, CA157 GWhMay 1987Feb 2025 Natural Gas
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Feb 2025 Geothermal
Berry Placerita CogenShadow Wolf EnergySanta Clarita, CA30 GWhFeb 1990Feb 2025 Natural Gas
ThermalitoCalifornia Dept. of Water ResourcesOroville, CA344 GWhJan 1968Feb 2025 Water
Dixie ValleyOrmat Nevada IncFallon, NV309 GWhMay 1988Feb 2025 Geothermal
Richmond CogenChevron Products Company-RichmondRichmond, CA957 GWhJul 1992Feb 2025 Natural Gas : 97.1% Other Gas : 2.9%
Midway Sunset CogenMidway-Sunset Cogeneration CoFellows, CA273 GWhApr 1989Feb 2025 Natural Gas
Blythe Energy IncAltaGas Blythe Operations IncBlythe, CA581 GWhNov 2003Feb 2025 Natural Gas
Kern River Eastridge CogenChevron USA IncBakersfield, CA226 GWhMay 1988Feb 2025 Natural Gas
Goal Line LPGoal Line LPEscondido, CA11 GWhJul 1994Feb 2025 Natural Gas
Big Creek 3Southern California Edison CoAuberry, CA593 GWhAug 1923Feb 2025 Water
Big Creek 4Southern California Edison CoNorth Fork, CA359 GWhMay 1951Feb 2025 Water
Biola University HybridBiola UniversityLa Mirada, CA12 GWhMar 1990Feb 2025 Natural Gas
Big Creek 2ASouthern California Edison CoAuberry, CA352 GWhJul 1928Feb 2025 Water
Geothermal 1Northern California Power AgnyMiddletown, CA352 GWhDec 1982Feb 2025 Geothermal
Kaweah Delta District HospitalKaweah Delta HospitalVisalia, CA21 GWhSep 2008Feb 2025 Natural Gas
El Segundo CogenChevron USA Inc-El SegundoEl Segundo, CA1 TWhNov 1987Feb 2025 Natural Gas : 99.7%
Encina Water Pollution ControlEncina Joint Powers AuthorityCarlsbad, CA14 GWhOct 2008Feb 2025 Other Biomass Gas : 96.0% Natural Gas : 4.0%
Pebbly Beach Generating Station HybridSouthern California Edison CoAvalon, CA29 GWhJun 1958Feb 2025 Distillate Fuel Oil : 94.6% Gaseous Propane : 5.4%
La Paloma Generating PlantCXA La Paloma LLCMcKittrick, CA2 TWhDec 2002Feb 2025 Natural Gas
Crockett Cogen ProjectCrockett CogenerationCrockett, CA1 TWhNov 1995Feb 2025 Natural Gas
New-Indy Ontario MillNew-Indy Ontario LLCOntario, CA247 GWhMay 1985Feb 2025 Natural Gas
King City Power PlantCalpine King City Cogen LLCKing City, CA42 GWhJan 1989Feb 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
Big Creek Water WorksBig Creek Water Works LtdHyampom, CA12 GWhDec 1986Feb 2025 Water
Mammoth PoolSouthern California Edison CoNorth Fork, CA379 GWhFeb 1960Feb 2025 Water
Los Esteros Critical Energy CenterLos Esteros Critical Energy Facility LLCSan Jose, CA224 GWhJan 2003Feb 2025 Natural Gas
Dynegy Oakland Power PlantDynegy Oakland, LLCOakland, CA4 GWhOct 1978Feb 2025 Jet Fuel
Coso Power DevelopersCoso Operating Co LLCInyokern, CA309 GWhOct 1989Feb 2025 Geothermal
Badger Creek LimitedWCAC Operating CompanyBakersfield, CA13 GWhMar 1991Feb 2025 Natural Gas
Humboldt Sawmill CompanyMendocino Forest ProductsScotia, CA118 GWhDec 1937Feb 2025 Wood/Wood Waste Solids : 99.7%
Mountainview Generating StationSouthern California Edison CoRedlands, CA2 TWhNov 2005Feb 2025 Natural Gas
Devil CanyonCalifornia Dept. of Water ResourcesSan Bernardino, CA750 GWhNov 1972Feb 2025 Water
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA467 GWhFeb 1984Feb 2025 Geothermal
Metcalf Energy CenterCalpine Corp - Metcalf Energy CenterSan Jose, CA2 TWhMay 2005Feb 2025 Natural Gas
Dion R HolmCity & County of San FranciscoGroveland, CA496 GWhJul 1960Feb 2025 Water
MoccasinCity & County of San FranciscoMoccasin, CA275 GWhJul 1969Feb 2025 Water
R C KirkwoodCity & County of San FranciscoGroveland, CA430 GWhJan 1967Feb 2025 Water
Martinez RefiningMartinez Refining CoMartinez, CA787 GWhOct 1995Feb 2025 Natural Gas : 96.2% Other Gas : 3.8%
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA25 GWhMar 1987Feb 2025 Natural Gas
Oxnard Wastewater Treatment PlantOxnard City ofOxnard, CA5 GWhJul 1981Feb 2025 Other Biomass Gas : 92.6% Natural Gas : 7.4%
Painted Hills Wind ParkTerra-Gen Operating Co-WindWhitewater, CA173 GWhOct 1985Feb 2025 Wind
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA487 GWhJun 1982Feb 2025 Natural Gas
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987Feb 2025 Natural Gas : 84.2% Other Gas : 15.5%
Berry Cogen Tanne Hills 18Berry Petroleum CoMaricopa, CA138 GWhNov 1986Feb 2025 Natural Gas
Southeast Kern River CogenChevron USA IncBakersfield, CA59 GWhJan 1989Feb 2025 Natural Gas
Pastoria Energy Facility, LLCCalpine Corp - Pastoria Energy CenterLebec, CA4 TWhApr 2005Feb 2025 Natural Gas
Tracy Combined Cycle Power PlantMRP San Joaquin Energy LLC.Tracy, CA911 GWhMar 2003Feb 2025 Natural Gas
Saint Agnes Medical CenterSaint Agnes Medical CenterFresno, CA26 GWhApr 2001Feb 2025 Natural Gas
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA477 GWhNov 1985Feb 2025 Natural Gas

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.474.6 TWh1,139
#5Southwest Power Pool296.4 TWh762
#6Southern Company Services, Inc. - Trans252.8 TWh393
#7California Independent System Operator189.5 TWh1,943
#8Tennessee Valley Authority158.9 TWh170
#10Florida Power & Light Co.148.5 TWh159
#12New York Independent System Operator131.1 TWh1,100
#13Duke Energy Carolinas111.3 TWh556
#15ISO New England103.6 TWh1,487
#16Bonneville Power Administration82.9 TWh158