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 Nov 2025
Annual Generation 188.0 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 | 43.1% Solar | 26.4% Water | 11.1% Wind | 10.6% 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 to 100 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
CP Kelco San Diego PlantCP Kelco US Inc.San Diego, CA71 GWhSep 1983Sep 2025 Natural Gas
J S EastwoodSouthern California Edison CoShaver Lake, CA84 GWhNov 1987Sep 2025 Water
Coso Power DevelopersCoso Operating Co LLCInyokern, CA299 GWhOct 1989Sep 2025 Geothermal
Loma Linda University CogenLoma Linda UniversityLoma Linda, CA63 GWhJan 1980Sep 2025 Natural Gas
Live Oak LimitedWCAC Operating CompanyBakersfield, CA21 GWhFeb 1992Sep 2025 Natural Gas
Taft 26C CogenChevron USA IncTaft, CA43 GWhJun 1982Sep 2025 Natural Gas
Gas Utilization FacilityCity of San DiegoSan Diego, CA31 GWhMay 1985Sep 2025 Other Biomass Gas
BeldenPacific Gas & Electric Co.Belden, CA188 GWhAug 1969Sep 2025 Water
ColgateYuba County Water AgencyDobbins, CA1 TWhSep 1969Sep 2025 Water
US BoraxU S Borax IncBoron, CA279 GWhJun 1984Sep 2025 Natural Gas
Encina Water Pollution ControlEncina Joint Powers AuthorityCarlsbad, CA14 GWhOct 2008Sep 2025 Other Biomass Gas : 94.8% Natural Gas : 5.2%
Caribou 2Pacific Gas & Electric Co.Belden, CA364 GWhOct 1958Sep 2025 Water
Desert Star Energy CenterDesert Star Energy Center SDG&EBoulder City, NV546 GWhApr 2000Sep 2025 Natural Gas
Collierville PowerhouseNorthern California Power AgnyMurphys, CA366 GWhOct 1989Sep 2025 Water
Wheelabrator ShastaShasta Sustainable Resource Management, Inc.Anderson, CA284 GWhSep 1987Sep 2025 Wood/Wood Waste Solids
Badger Creek LimitedWCAC Operating CompanyBakersfield, CA6 GWhMar 1991Sep 2025 Natural Gas
New-Indy Ontario MillNew-Indy Ontario LLCOntario, CA245 GWhMay 1985Sep 2025 Natural Gas
Argus Cogen PlantSearles Valley Minerals Operations Inc.Trona, CA252 GWhNov 1947Sep 2025 Bituminous Coal : 94.8% Natural Gas : 5.2%
Solano WindSacramento Municipal Util DistRio Vista, CA802 GWhMay 1994Sep 2025 Wind
San Diego State UniversitySan Diego State UniversitySan Diego, CA52 GWhAug 2002Sep 2025 Natural Gas : 97.6% Solar : 2.4%
Coso Finance PartnersCoso Operating Co LLCInyokern, CA370 GWhJun 1987Sep 2025 Geothermal
ElectraPacific Gas & Electric Co.Jackson, CA228 GWhMay 1948Sep 2025 Water
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA2 TWhSep 2009Sep 2025 Natural Gas
Dynegy Oakland Power PlantDynegy Oakland, LLCOakland, CA3 GWhOct 1978Sep 2025 Jet Fuel
Berry Placerita CogenShadow Wolf EnergySanta Clarita, CA2 GWhFeb 1990Sep 2025 Natural Gas
Humboldt BayPacific Gas & Electric Co.Eureka, CA354 GWhAug 2010Sep 2025 Natural Gas : 99.6%
James B BlackPacific Gas & Electric Co.Big Bend, CA597 GWhNov 1965Sep 2025 Water
Martinez RefiningMartinez Refining CoMartinez, CA790 GWhOct 1995Sep 2025 Natural Gas : 96.4% Other Gas : 3.6%
Kerckhoff 2Pacific Gas & Electric Co.Auberry, CA371 GWhApr 1983Sep 2025 Water
Dynegy Moss Landing Power Plant HybridDynegy -Moss Landing LLCMoss Landing, CA3 TWhNov 1967Sep 2025 Natural Gas
Sunrise Power LLCSunrise Power Co LLCFellows, CA2 TWhMay 2001Sep 2025 Natural Gas
Los Medanos Energy CenterLos Medanos Energy Center LLCPittsburg, CA3 TWhJul 2001Sep 2025 Natural Gas
PE BerkeleyBerkeley Cogeneration FacilityBerkeley, CA166 GWhMay 1987Sep 2025 Natural Gas
Geothermal 2Northern California Power AgnyMiddletown, CA317 GWhNov 1985Sep 2025 Geothermal
San Jose CogenerationSan Jose State University Fclts Dev &OpsSan Jose, CA34 GWhNov 1984Sep 2025 Natural Gas
Pit 4Pacific Gas & Electric Co.Big Bend, CA399 GWhJun 1955Sep 2025 Water
Pit 5Pacific Gas & Electric Co.Big Bend, CA620 GWhMar 1944Sep 2025 Water
Lockhart Solar PV, LLCTerra-Gen Operating Co-SolarHinkley, CA242 GWhNov 1989Sep 2025 Solar
Pit 7Pacific Gas & Electric Co.Montgomery Creek, CA441 GWhAug 1965Sep 2025 Water
PoePacific Gas & Electric Co.Storrie, CA312 GWhSep 1958Sep 2025 Water
Rock CreekPacific Gas & Electric Co.Storrie, CA610 GWhFeb 1950Sep 2025 Water
AltaGas Ripon Energy Inc.AltaGas Ripon Energy Inc.Ripon, CA2 GWhMar 1988Sep 2025 Natural Gas
Torrance Refining Company, LLCTorrance Refining Company, LLCTorrance, CA83 GWhAug 1983Sep 2025 Other Gas : 74.7% Waste Heat : 25.3%
McKittrick LimitedWCAC Operating CompanyBakersfield, CA6 GWhSep 1991Sep 2025 Natural Gas
Oxnard Wastewater Treatment PlantOxnard City ofOxnard, CA4 GWhJul 1981Sep 2025 Other Biomass Gas : 95.1% Natural Gas : 4.9%
Southeast Kern River CogenChevron USA IncBakersfield, CA47 GWhJan 1989Sep 2025 Natural Gas
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA18 TWhApr 1985Sep 2025 Nuclear
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Sep 2025 Geothermal
Dixie ValleyOrmat Nevada IncFallon, NV366 GWhMay 1988Sep 2025 Geothermal
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA613 GWhJan 1987Sep 2025 Natural Gas
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA467 GWhNov 1985Sep 2025 Natural Gas
Richmond CogenChevron Products Company-RichmondRichmond, CA970 GWhJul 1992Sep 2025 Natural Gas : 97.2% Other Gas : 2.8%
Metcalf Energy CenterCalpine Corp - Metcalf Energy CenterSan Jose, CA3 TWhMay 2005Sep 2025 Natural Gas
Biola University HybridBiola UniversityLa Mirada, CA13 GWhMar 1990Sep 2025 Natural Gas
Goal Line LPGoal Line LPEscondido, CA8 GWhJul 1994Sep 2025 Natural Gas
Big Creek 3Southern California Edison CoAuberry, CA598 GWhAug 1923Sep 2025 Water
Big Creek 4Southern California Edison CoNorth Fork, CA322 GWhMay 1951Sep 2025 Water
Western Power & Steam IncWestern Power and Steam II LLCBakersfield, CA25 GWhFeb 1990Sep 2025 Natural Gas
Big Creek 2ASouthern California Edison CoAuberry, CA211 GWhJul 1928Sep 2025 Water
La Paloma Generating PlantCXA La Paloma LLCMcKittrick, CA2 TWhDec 2002Sep 2025 Natural Gas
Crockett Cogen ProjectCrockett CogenerationCrockett, CA1 TWhNov 1995Sep 2025 Natural Gas
Saint Agnes Medical CenterSaint Agnes Medical CenterFresno, CA33 GWhApr 2001Sep 2025 Natural Gas
Salinas River CogenerationSalinas River Cogeneration CoSan Ardo, CA258 GWhOct 1991Sep 2025 Natural Gas
Pine FlatKings River Conservation DistPiedra, CA331 GWhDec 1983Sep 2025 Water
Geothermal 1Northern California Power AgnyMiddletown, CA369 GWhDec 1982Sep 2025 Geothermal
Blythe Energy IncAltaGas Blythe Operations IncBlythe, CA372 GWhNov 2003Sep 2025 Natural Gas
Childrens HospitalDTE San Diego COGEN Inc.San Diego, CA25 GWhMar 2000Sep 2025 Natural Gas
King City Power PlantCalpine King City Cogen LLCKing City, CA31 GWhJan 1989Sep 2025 Natural Gas
California Institute of TechnologyCalifornia Institute-TechnologyPasadena, CA40 GWhJul 2003Sep 2025 Natural Gas
Kaweah Delta District HospitalKaweah Delta HospitalVisalia, CA21 GWhSep 2008Sep 2025 Natural Gas
Greenleaf 2 Power PlantGreenleaf Energy LLCYuba City, CA13 GWhSep 1989Sep 2025 Natural Gas
Mammoth PoolSouthern California Edison CoNorth Fork, CA383 GWhFeb 1960Sep 2025 Water
Delta Energy CenterDelta Energy Center LLCPittsburg, CA3 TWhApr 2002Sep 2025 Natural Gas
Kern River CogenerationKern River Cogeneration CoBakersfield, CA155 GWhJun 1985Sep 2025 Natural Gas
Bear Mountain LimitedWCAC Operating CompanyBakersfield, CA33 GWhMar 1995Sep 2025 Natural Gas
ThermalitoCalifornia Dept. of Water ResourcesOroville, CA309 GWhJan 1968Sep 2025 Water
Puente Hills Energy RecoveryLos Angeles County SanitationWhittier, CA151 GWhSep 1986Sep 2025 Landfill Gas
Mountainview Generating StationSouthern California Edison CoRedlands, CA2 TWhNov 2005Sep 2025 Natural Gas
Humboldt Sawmill CompanyMendocino Forest ProductsScotia, CA110 GWhDec 1937Sep 2025 Wood/Wood Waste Solids : 99.8%
Dion R HolmCity & County of San FranciscoGroveland, CA466 GWhJul 1960Sep 2025 Water
MoccasinCity & County of San FranciscoMoccasin, CA280 GWhJul 1969Sep 2025 Water
R C KirkwoodCity & County of San FranciscoGroveland, CA404 GWhJan 1967Sep 2025 Water
Sycamore CogenerationSycamore Cogeneration CoBakersfield, CA304 GWhNov 1987Sep 2025 Natural Gas
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA456 GWhFeb 1984Sep 2025 Geothermal
Chalk Cliff LimitedWCAC Operating CompanyBakersfield, CA4 GWhFeb 1990Sep 2025 Natural Gas
E F Oxnard Energy FacilityEF Oxnard, LLCOxnard, CA4 GWhMay 1990Sep 2025 Natural Gas
Painted Hills Wind ParkTerra-Gen Operating Co-WindWhitewater, CA173 GWhOct 1985Sep 2025 Wind
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA479 GWhJun 1982Sep 2025 Natural Gas
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987Sep 2025 Natural Gas : 82.0% Other Gas : 17.3% Waste/Other Oil : 0.7%
Pacific-Ultrapower Chinese StationIHI Power Services CorpJamestown, CA138 GWhSep 1986Sep 2025 Wood/Wood Waste Solids : 99.7%
Municipal Cogen PlantPalm Springs City ofPalm Springs, CA6 GWhApr 1985Sep 2025 Natural Gas
Berry Cogen Tanne Hills 18Berry Petroleum CoMaricopa, CA139 GWhNov 1986Sep 2025 Natural Gas
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA23 GWhMar 1987Sep 2025 Natural Gas
Berry CogenBerry Petroleum CoTaft, CA8 GWhNov 1986Sep 2025 Natural Gas
Middle ForkPlacer County Water AgencyForesthill, CA365 GWhSep 1966Sep 2025 Water
Pebbly Beach Generating Station HybridSouthern California Edison CoAvalon, CA29 GWhJun 1958Sep 2025 Distillate Fuel Oil : 94.5% Gaseous Propane : 5.5%
Naval Hospital Medical CenterDepartment of the NavySan Diego, CA16 GWhNov 2003Sep 2025 Natural Gas
Kern River Eastridge CogenChevron USA IncBakersfield, CA222 GWhMay 1988Sep 2025 Natural Gas
Devil CanyonCalifornia Dept. of Water ResourcesSan Bernardino, CA791 GWhNov 1972Sep 2025 Water
Edward C HyattCalifornia Dept. of Water ResourcesOroville, CA2 TWhFeb 1968Sep 2025 Water

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 District6.3 TWh66
#29Los Angeles Department of Water and Power18.9 TWh124
#22Nevada Power Company37.2 TWh139
#60New Harquahala Generating Company, LLC764.0 GWh1
#19Salt River Project Agricultural Improvement and Power District60.0 TWh48
#56Turlock Irrigation District2.1 TWh11
#39Western Area Power Administration - Desert Southwest Region9.8 TWh33

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#4Electric Reliability Council of Texas, Inc.485.0 TWh1,313
#5Southwest Power Pool299.9 TWh835
#6Southern Company Services, Inc. - Trans250.9 TWh417
#7California Independent System Operator188.0 TWh2,075
#9Tennessee Valley Authority161.6 TWh204
#10Florida Power & Light Co.148.9 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#15ISO New England105.5 TWh1,577
#16Bonneville Power Administration80.5 TWh163