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 201 to 300 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Greenleaf 2 Power PlantGreenleaf Energy LLCYuba City, CA13 GWhSep 1989Sep 2025 Natural Gas
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA613 GWhJan 1987Sep 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
Loma Linda University CogenLoma Linda UniversityLoma Linda, CA63 GWhJan 1980Sep 2025 Natural Gas
Signal Hill West UnitSignal Hill Petroleum, IncSignal Hill, CA40 GWhJun 2004Sep 2025 Other Gas
Childrens HospitalDTE San Diego COGEN Inc.San Diego, CA25 GWhMar 2000Sep 2025 Natural Gas
Watkins Manufacturing Co.Watkins Manufacturing CorporationSan Diego, CA7 GWhOct 2001Sep 2025 Natural Gas
Kaweah Delta District HospitalKaweah Delta HospitalVisalia, CA21 GWhSep 2008Sep 2025 Natural Gas
Encina Water Pollution ControlEncina Joint Powers AuthorityCarlsbad, CA14 GWhOct 2008Sep 2025 Other Biomass Gas : 94.8% Natural Gas : 5.2%
Pine FlatKings River Conservation DistPiedra, CA331 GWhDec 1983Sep 2025 Water
Mount Signal Solar Farm VImperial Valley Solar 3, LLCCalexico, CA674 GWhOct 2018Sep 2025 Solar
Solano WindSacramento Municipal Util DistRio Vista, CA802 GWhMay 1994Sep 2025 Wind
Athos Solar ProjectSE Athos I, LLCDesert Center, CA703 GWhMay 2022Sep 2025 Solar
BeldenPacific Gas & Electric Co.Belden, CA188 GWhAug 1969Sep 2025 Water
Golden Hills North Wind Energy CenterGolden Hills Interconnection Wind, LLCLivermore, CA149 GWhOct 2017Sep 2025 Wind
Drew Solar LLCDrew Solar LLCCalexico, CA309 GWhOct 2022Sep 2025 Solar
Antelope Expansion 2AES Distributed EnergyLancaster, CA271 GWhNov 2018Sep 2025 Solar
Geothermal 2Northern California Power AgnyMiddletown, CA317 GWhNov 1985Sep 2025 Geothermal
Geothermal 1Northern California Power AgnyMiddletown, CA369 GWhDec 1982Sep 2025 Geothermal
Silver State Solar Power SouthSilver State Solar Power South, LLCPrimm Valley, NV673 GWhOct 2015Sep 2025 Solar
Caribou 2Pacific Gas & Electric Co.Belden, CA364 GWhOct 1958Sep 2025 Water
Mount Signal Solar Farm IIMN8 Energy LLCCalexico, CA410 GWhDec 2019Sep 2025 Solar
Pebbly Beach Generating Station HybridSouthern California Edison CoAvalon, CA29 GWhJun 1958Sep 2025 Distillate Fuel Oil : 94.5% Gaseous Propane : 5.5%
C&H Sugar PlantC&H Sugar Company IncCrockett, CA32 GWhSep 1957Sep 2025 Purchased Steam
Dynegy Oakland Power PlantDynegy Oakland, LLCOakland, CA3 GWhOct 1978Sep 2025 Jet Fuel
RE Gaskell West 2 LLCRE Gaskell West LLCRosamond, CA125 GWhApr 2023Sep 2025 Solar
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA18 TWhApr 1985Sep 2025 Nuclear
ElectraPacific Gas & Electric Co.Jackson, CA228 GWhMay 1948Sep 2025 Water
Solar Star 1Solar Star California XIX, LLCRosamond, CA898 GWhFeb 2014Sep 2025 Solar
Solar Star 2Solar Star California XX, LLCRosamond, CA714 GWhFeb 2014Sep 2025 Solar
Kerckhoff 2Pacific Gas & Electric Co.Auberry, CA371 GWhApr 1983Sep 2025 Water
Voyager Wind IITerra-Gen Operating Co-WindMojave, CA506 GWhNov 2018Sep 2025 Wind
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
Voyager Wind IIITerra-Gen Operating Co-WindMojave, CA141 GWhNov 2018Sep 2025 Wind
Hoag Hospital Cogen PlantHoag Memorial Presbyterian HospitalNewport Beach, CA21 GWhJun 2006Sep 2025 Natural Gas
El Segundo Energy Center LLCNRG Energy Services LLCEl Segundo, CA73 GWhJun 2013Sep 2025 Natural Gas
Dynegy Moss Landing Power Plant HybridDynegy -Moss Landing LLCMoss Landing, CA3 TWhNov 1967Sep 2025 Natural Gas
Tule Wind LLCAvangrid Power LLCBoulevard, CA352 GWhNov 2017Sep 2025 Wind
Wistaria Ranch SolarConsolidated Edison Development Inc.Calexico, CA289 GWhNov 2018Sep 2025 Solar
ColgateYuba County Water AgencyDobbins, CA1 TWhSep 1969Sep 2025 Water
ThermalitoCalifornia Dept. of Water ResourcesOroville, CA309 GWhJan 1968Sep 2025 Water
Edward C HyattCalifornia Dept. of Water ResourcesOroville, CA2 TWhFeb 1968Sep 2025 Water
Parnassus Central Utility PlantUniversity of California-San FranciscoSan Francisco, CA68 GWhDec 1995Sep 2025 Natural Gas
Devil CanyonCalifornia Dept. of Water ResourcesSan Bernardino, CA791 GWhNov 1972Sep 2025 Water
CSUF TrigenerationCalifornia State University at FullertonFullerton, CA38 GWhSep 2010Sep 2025 Natural Gas : 82.8% Solar : 17.2%
Pit 4Pacific Gas & Electric Co.Big Bend, CA399 GWhJun 1955Sep 2025 Water
Pit 5Pacific Gas & Electric Co.Big Bend, CA620 GWhMar 1944Sep 2025 Water
Middle ForkPlacer County Water AgencyForesthill, CA365 GWhSep 1966Sep 2025 Water
Pit 7Pacific Gas & Electric Co.Montgomery Creek, CA441 GWhAug 1965Sep 2025 Water
Lodi Energy CenterNorthern California Power AgnyLodi, CA673 GWhOct 2012Sep 2025 Natural Gas
PoePacific Gas & Electric Co.Storrie, CA312 GWhSep 1958Sep 2025 Water
Rock CreekPacific Gas & Electric Co.Storrie, CA610 GWhFeb 1950Sep 2025 Water
San Pablo RacewayAES Distributed EnergyLancaster, CA231 GWhJul 2019Sep 2025 Solar
Mustang TwoRE Mustang Two LLCLemoore, CA407 GWhOct 2020Sep 2025 Solar
Brea Expansion PlantBrea Power IIBrea, CA236 GWhOct 2012Sep 2025 Landfill Gas
Strauss Wind FarmStrauss Wind LLCLompoc, CA230 GWhNov 2023Sep 2025 Wind
AES Alamitos Energy CenterAES Alamitos Energy, LLCLong Beach, CA2 TWhJan 2020Sep 2025 Natural Gas
Sunshine Gas ProducersSunshine Gas Producers LLCSylmar, CA121 GWhJul 2014Sep 2025 Landfill Gas
AES Huntington Beach Energy ProjectAES Huntington Beach Energy, LLCHuntington Beach, CA2 TWhJan 2020Sep 2025 Natural Gas
R C KirkwoodCity & County of San FranciscoGroveland, CA404 GWhJan 1967Sep 2025 Water
MoccasinCity & County of San FranciscoMoccasin, CA280 GWhJul 1969Sep 2025 Water
Dion R HolmCity & County of San FranciscoGroveland, CA466 GWhJul 1960Sep 2025 Water
Mountainview Generating StationSouthern California Edison CoRedlands, CA2 TWhNov 2005Sep 2025 Natural Gas
Desert Harvest, LLCDesert Harvest, LLCDesert Center, CA232 GWhNov 2020Sep 2025 Solar
Maverick Solar, LLCMaverick Solar, LLCDesert Center, CA372 GWhNov 2020Sep 2025 Solar
Mammoth PoolSouthern California Edison CoNorth Fork, CA383 GWhFeb 1960Sep 2025 Water
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Sep 2025 Geothermal
Valentine Solar, LLCEDF Renewable Asset Holdings, Inc.Rosamond, CA290 GWhOct 2019Sep 2025 Solar
Kern Oil & Refining CoKern Oil & Refining CoBakersfield, CA34 GWhSep 2002Sep 2025 Natural Gas
Foundation Superior FarmsFoundation CA Fund VI Manager LLCDixon, CA1 GWhNov 2012Sep 2025 Wind
Little Bear 4Little Bear Solar 4, LLC (Longroad)Mendota, CA44 GWhNov 2020Sep 2025 Solar
Big Creek 2ASouthern California Edison CoAuberry, CA211 GWhJul 1928Sep 2025 Water
Little Bear 5Little Bear Solar 5, LLC (Longroad)Mendota, CA122 GWhNov 2020Sep 2025 Solar
Big Creek 4Southern California Edison CoNorth Fork, CA322 GWhMay 1951Sep 2025 Water
Big Creek 3Southern California Edison CoAuberry, CA598 GWhAug 1923Sep 2025 Water
Foundation Wal-Mart Red BluffFoundation CA Fund VI Manager LLCRed Bluff, CA2 GWhAug 2012Sep 2025 Wind
AquamarineAquamarine Westside LLCLemoore, CA679 GWhAug 2021Sep 2025 Solar
El Segundo CogenChevron USA Inc-El SegundoEl Segundo, CA1 TWhNov 1987Aug 2025 Natural Gas : 99.6%
HaasPacific Gas & Electric Co.Balch Camp, CA220 GWhNov 1958Aug 2025 Water
Ormond BeachOrmond Beach Power, LLCOxnard, CA43 GWhJul 1971Aug 2025 Natural Gas
AES Huntington Beach LLCAES Huntington Beach LLCHuntington Beach, CA8 GWhMay 1958Aug 2025 Natural Gas
Midway Sunset CogenMidway-Sunset Cogeneration CoFellows, CA112 GWhApr 1989Aug 2025 Natural Gas
AES Alamitos LLCAES Alamitos LLCLong Beach, CA38 GWhAug 1956Aug 2025 Natural Gas
Rosamond South 1Golden Fields Solar IV, LLCRosamond, CA36 GWh-Aug 2025 Solar
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%
Kettering Solar 1Tesla Inc.Lancaster, CA2 GWhMay 2014Dec 2024 Solar
Atwell Island West SolarConsolidated Edison Development Inc.Alpaugh, CA45 GWhApr 2015Dec 2024 Solar
Corcoran Solar 2Consolidated Edison Development Inc.Corcoran, CA46 GWhApr 2015Dec 2024 Solar
Exeter SolarAltus Power America Management, LLCExeter, CA5 GWhJan 2014Dec 2024 Solar
Algonquin SKIC20 Solar LLCAlgonquin Power CoTaft, CA41 GWhApr 2015Dec 2024 Solar
Niagara Bottling StocktonClearGen LLCStockton, CA870 MWhDec 2017Dec 2024 Solar
Ivanhoe SolarAltus Power America Management, LLCVisalia, CA6 GWhDec 2013Dec 2024 Solar
Mitchell Solar, LLCCD US Solar PO 3, LLCSilver Lake, CA4 GWhNov 2014Dec 2024 Solar
Lindsay SolarAltus Power America Management, LLCLindsay, CA6 GWhDec 2013Dec 2024 Solar
Rudy Solar, LLCCD US Solar PO 3, LLCSilver Lake, CA4 GWhNov 2014Dec 2024 Solar
Porterville SolarAltus Power America Management, LLCPorterville, CA6 GWhDec 2013Dec 2024 Solar
G2 Energy Hay RdG2 Energy LLCVacaville, CA12 GWhMay 2013Dec 2024 Landfill Gas

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