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 64 balancing authorities in terms of total annual electricity generation.

Balancing AuthorityCalifornia Independent System Operator
States Arizona California Nevada
Last Update Jun 2026
Annual Generation 173.0 TWh
Power Plants2,075
Utilities965
Ranked #7 out of 64 in terms of net annual generation
Ranked #10 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 36.2% Solar | 29.3% Water | 12.2% Wind | 10.8% Nuclear | 10.8%

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

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List of All California Independent System Operator Power Plants

Displaying Results 1 to 100 of 1,323
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA472 GWhNov 1985Mar 2026 Natural Gas
J S EastwoodSouthern California Edison CoShaver Lake, CA96 GWhNov 1987Mar 2026 Water
E F Oxnard Energy FacilityEF Oxnard, LLCOxnard, CA5 GWhMay 1990Mar 2026 Natural Gas
El Segundo CogenChevron USA Inc-El SegundoEl Segundo, CA1 TWhNov 1987Mar 2026 Natural Gas : 99.8%
Biola University HybridBiola UniversityLa Mirada, CA13 GWhMar 1990Mar 2026 Natural Gas
Berry Placerita CogenShadow Wolf EnergySanta Clarita, CA4 GWhFeb 1990Mar 2026 Natural Gas
US BoraxU S Borax IncBoron, CA258 GWhJun 1984Mar 2026 Natural Gas
BeldenPacific Gas & Electric Co.Belden, CA389 GWhAug 1969Mar 2026 Water
Encina Water Pollution ControlEncina Joint Powers AuthorityCarlsbad, CA14 GWhOct 2008Mar 2026 Other Biomass Gas : 93.9% Natural Gas : 6.1%
Wheelabrator ShastaShasta Sustainable Resource Management, Inc.Anderson, CA283 GWhSep 1987Mar 2026 Wood/Wood Waste Solids
Caribou 2Pacific Gas & Electric Co.Belden, CA485 GWhOct 1958Mar 2026 Water
Desert Star Energy CenterDesert Star Energy Center SDG&EBoulder City, NV366 GWhApr 2000Mar 2026 Natural Gas
Collierville PowerhouseNorthern California Power AgnyMurphys, CA407 GWhOct 1989Mar 2026 Water
Southeast Kern River CogenChevron USA IncBakersfield, CA22 GWhJan 1989Mar 2026 Natural Gas
Kern River CogenerationKern River Cogeneration CoBakersfield, CA97 GWhJun 1985Mar 2026 Natural Gas
Puente Hills Energy RecoveryLos Angeles County SanitationWhittier, CA147 GWhSep 1986Mar 2026 Landfill Gas
Solano WindSacramento Municipal Util DistRio Vista, CA741 GWhMay 1994Mar 2026 Wind
Gas Utilization FacilityCity of San DiegoSan Diego, CA30 GWhMay 1985Mar 2026 Other Biomass Gas
San Diego State UniversitySan Diego State UniversitySan Diego, CA57 GWhAug 2002Mar 2026 Natural Gas : 97.3% Solar : 2.7%
ElectraPacific Gas & Electric Co.Jackson, CA288 GWhMay 1948Mar 2026 Water
Delta Energy CenterDelta Energy Center LLCPittsburg, CA4 TWhApr 2002Mar 2026 Natural Gas
Metcalf Energy CenterCalpine Corp - Metcalf Energy CenterSan Jose, CA2 TWhMay 2005Mar 2026 Natural Gas
Dixie ValleyOrmat Nevada IncFallon, NV455 GWhMay 1988Mar 2026 Geothermal
Midway Sunset CogenMidway-Sunset Cogeneration CoFellows, CA6 GWhApr 1989Mar 2026 Natural Gas
Humboldt BayPacific Gas & Electric Co.Eureka, CA332 GWhAug 2010Mar 2026 Natural Gas : 99.6%
James B BlackPacific Gas & Electric Co.Big Bend, CA582 GWhNov 1965Mar 2026 Water
Saint Agnes Medical CenterSaint Agnes Medical CenterFresno, CA32 GWhApr 2001Mar 2026 Natural Gas
Kerckhoff 2Pacific Gas & Electric Co.Auberry, CA475 GWhApr 1983Mar 2026 Water
Dynegy Moss Landing Power Plant HybridDynegy -Moss Landing LLCMoss Landing, CA2 TWhNov 1967Mar 2026 Natural Gas
Western Power & Steam IncWestern Power and Steam II LLCBakersfield, CA20 GWhFeb 1990Mar 2026 Natural Gas
Big Creek Water WorksBig Creek Water Works LtdHyampom, CA7 GWhDec 1986Mar 2026 Water
San Jose CogenerationSan Jose State University Fclts Dev &OpsSan Jose, CA36 GWhNov 1984Mar 2026 Natural Gas
California Institute of TechnologyCalifornia Institute-TechnologyPasadena, CA56 GWhJul 2003Mar 2026 Natural Gas
Kaweah Delta District HospitalKaweah Delta HospitalVisalia, CA22 GWhSep 2008Mar 2026 Natural Gas
Pit 4Pacific Gas & Electric Co.Big Bend, CA388 GWhJun 1955Mar 2026 Water
Elk Hills Power LLCElk Hills Power LLCTupman, CA3 TWhJun 2003Mar 2026 Natural Gas
Greenleaf 2 Power PlantGreenleaf Energy LLCYuba City, CA51 GWhSep 1989Mar 2026 Natural Gas
Pit 7Pacific Gas & Electric Co.Montgomery Creek, CA405 GWhAug 1965Mar 2026 Water
PoePacific Gas & Electric Co.Storrie, CA363 GWhSep 1958Mar 2026 Water
Rock CreekPacific Gas & Electric Co.Storrie, CA559 GWhFeb 1950Mar 2026 Water
Argus Cogen PlantSearles Valley Minerals Operations Inc.Trona, CA216 GWhNov 1947Mar 2026 Bituminous Coal : 88.8% Natural Gas : 11.2%
AltaGas Ripon Energy Inc.AltaGas Ripon Energy Inc.Ripon, CA1 GWhMar 1988Mar 2026 Natural Gas
McKittrick LimitedWCAC Operating CompanyBakersfield, CA4 GWhSep 1991Mar 2026 Natural Gas
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA24 GWhMar 1987Mar 2026 Natural Gas
Berry Cogen Tanne Hills 18Berry Petroleum CoMaricopa, CA139 GWhNov 1986Mar 2026 Natural Gas
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA17 TWhApr 1985Mar 2026 Nuclear
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Mar 2026 Geothermal
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA1 TWhSep 2009Mar 2026 Natural Gas
Mesa Wind Power LLCBrookfield Renewable Trading and Marketing LPNorth Palm Springs, CA112 GWhOct 1984Mar 2026 Wind
Municipal Cogen PlantPalm Springs City ofPalm Springs, CA7 GWhApr 1985Mar 2026 Natural Gas
Blythe Energy IncAltaGas Blythe Operations IncBlythe, CA336 GWhNov 2003Mar 2026 Natural Gas
Kern River Eastridge CogenChevron USA IncBakersfield, CA225 GWhMay 1988Mar 2026 Natural Gas
Taft 26C CogenChevron USA IncTaft, CA41 GWhJun 1982Mar 2026 Natural Gas
Big Creek 3Southern California Edison CoAuberry, CA785 GWhAug 1923Mar 2026 Water
Big Creek 4Southern California Edison CoNorth Fork, CA409 GWhMay 1951Mar 2026 Water
CP Kelco San Diego PlantCP Kelco US Inc.San Diego, CA73 GWhSep 1983Mar 2026 Natural Gas
Big Creek 2ASouthern California Edison CoAuberry, CA284 GWhJul 1928Mar 2026 Water
Live Oak LimitedWCAC Operating CompanyBakersfield, CA20 GWhFeb 1992Mar 2026 Natural Gas
High Desert Power PlantMRP Generation Holdings, LLCVictorville, CA3 TWhMar 2003Mar 2026 Natural Gas
Martinez RefiningMartinez Refining CoMartinez, CA690 GWhOct 1995Mar 2026 Natural Gas : 96.7% Other Gas : 3.3%
Goal Line LPGoal Line LPEscondido, CA9 GWhJul 1994Mar 2026 Natural Gas
Richmond CogenChevron Products Company-RichmondRichmond, CA982 GWhJul 1992Mar 2026 Natural Gas : 97.8% Other Gas : 2.2%
AES Huntington Beach LLCAES Huntington Beach LLCHuntington Beach, CA7 GWhMay 1958Mar 2026 Natural Gas
Pine FlatKings River Conservation DistPiedra, CA344 GWhDec 1983Mar 2026 Water
Geothermal 2Northern California Power AgnyMiddletown, CA365 GWhNov 1985Mar 2026 Geothermal
Loma Linda University CogenLoma Linda UniversityLoma Linda, CA59 GWhJan 1980Mar 2026 Natural Gas
Childrens HospitalDTE San Diego COGEN Inc.San Diego, CA26 GWhMar 2000Mar 2026 Natural Gas : 99.9%
Geothermal 1Northern California Power AgnyMiddletown, CA284 GWhDec 1982Mar 2026 Geothermal
Mammoth PoolSouthern California Edison CoNorth Fork, CA581 GWhFeb 1960Mar 2026 Water
La Paloma Generating PlantCXA La Paloma LLCMcKittrick, CA1 TWhDec 2002Mar 2026 Natural Gas
New-Indy Ontario MillNew-Indy Ontario LLCOntario, CA247 GWhMay 1985Mar 2026 Natural Gas
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA597 GWhJan 1987Mar 2026 Natural Gas
Lockhart Solar PV, LLCTerra-Gen Operating Co-SolarHinkley, CA242 GWhNov 1989Mar 2026 Solar
Mountainview Generating StationSouthern California Edison CoRedlands, CA1 TWhNov 2005Mar 2026 Natural Gas
King City Power PlantCalpine King City Cogen LLCKing City, CA27 GWhJan 1989Mar 2026 Natural Gas
Dion R HolmCity & County of San FranciscoGroveland, CA601 GWhJul 1960Mar 2026 Water
MoccasinCity & County of San FranciscoMoccasin, CA304 GWhJul 1969Mar 2026 Water
R C KirkwoodCity & County of San FranciscoGroveland, CA490 GWhJan 1967Mar 2026 Water
Coso Power DevelopersCoso Operating Co LLCInyokern, CA312 GWhOct 1989Mar 2026 Geothermal
Coso Finance PartnersCoso Operating Co LLCInyokern, CA372 GWhJun 1987Mar 2026 Geothermal
Badger Creek LimitedWCAC Operating CompanyBakersfield, CA5 GWhMar 1991Mar 2026 Natural Gas
Humboldt Sawmill CompanyMendocino Forest ProductsScotia, CA115 GWhDec 1937Mar 2026 Wood/Wood Waste Solids : 99.9%
Sycamore CogenerationSycamore Cogeneration CoBakersfield, CA140 GWhNov 1987Mar 2026 Natural Gas
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA466 GWhFeb 1984Mar 2026 Geothermal
Chalk Cliff LimitedWCAC Operating CompanyBakersfield, CA3 GWhFeb 1990Mar 2026 Natural Gas
Bear Mountain LimitedWCAC Operating CompanyBakersfield, CA36 GWhMar 1995Mar 2026 Natural Gas
Oxnard Wastewater Treatment PlantOxnard City ofOxnard, CA3 GWhJul 1981Mar 2026 Other Biomass Gas : 96.4% Natural Gas : 3.6%
Painted Hills Wind ParkTerra-Gen Operating Co-WindWhitewater, CA154 GWhOct 1985Mar 2026 Wind
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA470 GWhJun 1982Mar 2026 Natural Gas
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987Mar 2026 Natural Gas : 76.7% Other Gas : 22.6% Waste/Other Oil : 0.7%
Middle ForkPlacer County Water AgencyForesthill, CA411 GWhSep 1966Mar 2026 Water
Pacific-Ultrapower Chinese StationIHI Power Services CorpJamestown, CA108 GWhSep 1986Mar 2026 Wood/Wood Waste Solids : 99.4% Gaseous Propane : 0.6%
Pebbly Beach Generating Station HybridSouthern California Edison CoAvalon, CA28 GWhJun 1958Mar 2026 Distillate Fuel Oil : 95.0% Gaseous Propane : 5.0%
Devil CanyonCalifornia Dept. of Water ResourcesSan Bernardino, CA876 GWhNov 1972Mar 2026 Water
Edward C HyattCalifornia Dept. of Water ResourcesOroville, CA2 TWhFeb 1968Mar 2026 Water
ThermalitoCalifornia Dept. of Water ResourcesOroville, CA319 GWhJan 1968Mar 2026 Water
Los Medanos Energy CenterLos Medanos Energy Center LLCPittsburg, CA3 TWhJul 2001Mar 2026 Natural Gas
Salinas River CogenerationSalinas River Cogeneration CoSan Ardo, CA251 GWhOct 1991Mar 2026 Natural Gas
PE BerkeleyBerkeley Cogeneration FacilityBerkeley, CA150 GWhMay 1987Mar 2026 Natural Gas
Torrance Refining Company, LLCTorrance Refining Company, LLCTorrance, CA70 GWhAug 1983Mar 2026 Other Gas : 63.3% Waste Heat : 36.7%

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#26Arizona Public Service Company24.8 TWh92
#54Arlington Valley, LLC3.2 TWh1
#37Balancing Authority of Northern California13.7 TWh87
#49Imperial Irrigation District6.2 TWh66
#29Los Angeles Department of Water and Power18.6 TWh124
#22Nevada Power Company36.3 TWh139
#19Salt River Project Agricultural Improvement and Power District60.1 TWh48
#38Tucson Electric Power13.7 TWh53
#57Turlock Irrigation District1.9 TWh11
#39Western Area Power Administration - Desert Southwest Region10.3 TWh33

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.489.5 TWh1,313
#5Southwest Power Pool304.8 TWh835
#6Southern Company Services, Inc. - Trans252.5 TWh417
#7California Independent System Operator173.0 TWh2,075
#9Tennessee Valley Authority163.7 TWh204
#10Florida Power & Light Co.151.0 TWh187
#12New York Independent System Operator134.9 TWh1,211
#13Duke Energy Carolinas112.2 TWh565
#15ISO New England111.3 TWh1,577
#16Bonneville Power Administration90.2 TWh163