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 New Mexico
Last Update Oct 2026
Annual Generation 168.7 TWh
Power Plants2,170
Utilities1,001
Ranked #7 out of 64 in terms of net annual generation
Ranked #14 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 32% Solar | 30.9% Water | 12.2% Wind | 11.8% Nuclear | 11.2% Coal | 0%

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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 1,426
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA18 TWhApr 1985Jul 2026 Nuclear
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Jul 2026 Geothermal
Delta Energy CenterDelta Energy Center LLCPittsburg, CA3 TWhApr 2002Jul 2026 Natural Gas
High Desert Power PlantMRP Generation Holdings, LLCVictorville, CA3 TWhMar 2003Jul 2026 Natural Gas
Pastoria Energy Facility, LLCCalpine Corp - Pastoria Energy CenterLebec, CA3 TWhApr 2005Jul 2026 Natural Gas
Elk Hills Power LLCElk Hills Power LLCTupman, CA3 TWhJun 2003Jul 2026 Natural Gas
Los Medanos Energy CenterLos Medanos Energy Center LLCPittsburg, CA3 TWhJul 2001Jul 2026 Natural Gas
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987Jul 2026 Natural Gas : 77.0% Other Gas : 22.7%
Gateway Generating StationPacific Gas & Electric Co.Antioch, CA2 TWhDec 2008Jul 2026 Natural Gas
Sunrise Power LLCSunrise Power Co LLCFellows, CA2 TWhMay 2001Jul 2026 Natural Gas
Dynegy Moss Landing Power Plant HybridDynegy -Moss Landing LLCMoss Landing, CA2 TWhNov 1967Jul 2026 Natural Gas
Edward C HyattCalifornia Dept. of Water ResourcesOroville, CA2 TWhFeb 1968Jul 2026 Water
Colusa Generating StationPacific Gas & Electric Co.Maxwell, CA2 TWhNov 2010Jul 2026 Natural Gas
Metcalf Energy CenterCalpine Corp - Metcalf Energy CenterSan Jose, CA2 TWhMay 2005Jul 2026 Natural Gas
SunZia Wind SouthPattern Operators LPCorona, NM2 TWh-Jul 2026 Wind
Russell City Energy CenterRussell City Energy Company LLCHayward, CA2 TWhJul 2013Jul 2026 Natural Gas
AES Huntington Beach Energy ProjectAES Huntington Beach Energy, LLCHuntington Beach, CA2 TWhJan 2020Jul 2026 Natural Gas
ColgateYuba County Water Agency - (CA)Dobbins, CA1 TWhSep 1969Oct 2025 Water
Crockett Cogen ProjectCrockett CogenerationCrockett, CA1 TWhNov 1995Feb 2026 Natural Gas
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA1 TWhSep 2009Jul 2026 Natural Gas
La Paloma Generating PlantCXA La Paloma LLCMcKittrick, CA1 TWhDec 2002Jul 2026 Natural Gas
Mountainview Generating StationSouthern California Edison CoRedlands, CA1 TWhNov 2005Jul 2026 Natural Gas
El Segundo CogenChevron USA Inc-El SegundoEl Segundo, CA1 TWhNov 1987Jul 2026 Natural Gas : 99.8%
AES Alamitos Energy CenterAES Alamitos Energy, LLCLong Beach, CA1 TWhJan 2020Jul 2026 Natural Gas
Palomar EnergySan Diego Gas & Electric CoEscondido, CA1 TWhSep 2005Jul 2026 Natural Gas
Topaz Solar FarmTopaz Solar Farms LLCSanta Margarita, CA974 GWhMar 2013Jul 2026 Solar
Richmond CogenChevron Products Company-RichmondRichmond, CA957 GWhJul 1992Jul 2026 Natural Gas : 97.6% Other Gas : 2.4%
Donald Von Raesfeld Power PlantCity of Santa Clara - (CA)Santa Clara, CA910 GWhFeb 2005Jul 2026 Natural Gas
Solar Star 1Solar Star California XIX, LLCRosamond, CA880 GWhFeb 2014Jul 2026 Solar
Desert QuartziteDesert Quartzite LLCBlythe, CA846 GWhNov 2024Jul 2026 Solar
Daggett 3Daggett Solar Power 3 LLCDaggett, CA823 GWhJun 2023Jul 2026 Solar
McFarland B Solar and StorageAES Clean EnergyDateland, AZ790 GWhNov 2024Jul 2026 Solar
Solar Star 2Solar Star California XX, LLCRosamond, CA764 GWhFeb 2014Jul 2026 Solar
Big Creek 3Southern California Edison CoAuberry, CA760 GWhAug 1923Jul 2026 Water
Devil CanyonCalifornia Dept. of Water ResourcesSan Bernardino, CA736 GWhNov 1972Jul 2026 Water
Panoche Energy CenterPanoche Energy Center, LLCFirebaugh, CA731 GWhMay 2009Jul 2026 Natural Gas
Copper Mountain Solar 2RWE Clean EnergyBoulder City, NV726 GWhJun 2012Dec 2025 Solar
Arica SolarArica Solar, LLCDesert Center, CA725 GWhFeb 2024Jul 2026 Solar
Solano WindSacramento Municipal Util DistRio Vista, CA708 GWhMay 1994Jul 2026 Wind
Rexford Solar FarmAES Clean EnergyDucor, CA704 GWhJan 2025Jul 2026 Solar
Slate HybridMN8 Energy LLCStratford, CA690 GWhOct 2021Jul 2026 Solar
Athos Solar ProjectSE Athos I, LLCDesert Center, CA675 GWhMay 2022Jul 2026 Solar
Tracy Combined Cycle Power PlantMRP San Joaquin Energy LLC.Tracy, CA669 GWhMar 2003Jul 2026 Natural Gas
Martinez RefiningMartinez Refining CoMartinez, CA662 GWhOct 1995Jul 2026 Natural Gas : 96.3% Other Gas : 3.7%
AquamarineAquaLemoore, CA645 GWhAug 2021Jul 2026 Solar
Solar BlueWestlands Solar BlueLemoore, CA645 GWhNov 2023Jul 2026 Solar
Stateline SolarSouthern Power CoNipton, CA640 GWhNov 2015Dec 2025 Solar
Arlington Energy Center IIArlington Energy Center IIBlythe, CA640 GWhFeb 2022Jul 2026 Solar
Bellefield Solar and Energy Storage Farm50LW 8me LLCMojave, CA639 GWhNov 2025Jul 2026 Solar
McCoy Solar Energy Project HybridMcCoy Solar, LLCBlythe, CA639 GWhJul 2015Dec 2025 Solar
Mount Signal Solar Farm VImperial Valley Solar 3, LLCCalexico, CA633 GWhOct 2018Jul 2026 Solar
Silver State Solar Power SouthSilver State Solar Power South, LLCPrimm Valley, NV621 GWhOct 2015Jul 2026 Solar
Desert Sunlight 300, LLCNextEra Energy Desert Sunlight 300, LLCDesert Center, CA620 GWhOct 2013Dec 2025 Solar
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA598 GWhJan 1987Jul 2026 Natural Gas
Genesis Solar Energy ProjectGenesis Solar LLCBlythe, CA589 GWhOct 2013Jul 2026 Solar
Mojave Solar ProjectMojave Solar LLCHinkley, CA588 GWhNov 2014Jul 2026 Solar
Mammoth PoolSouthern California Edison CoNorth Fork, CA574 GWhFeb 1960Jul 2026 Water
Blythe Mesa Solar IIIntersect USA, LLCBlythe, CA569 GWhNov 2022Jul 2026 Solar
Oberon II Solar ProjectIntersect USA, LLCDesert Center, CA563 GWhAug 2023Jul 2026 Solar
Victory PassVictory Pass I, LLCDesert Center, CA563 GWhFeb 2024Jul 2026 Solar
California Valley Solar RanchClearway Energy Operating LLCCalifornia Valley, CA559 GWhAug 2012Dec 2025 Solar
Oberon Solar ProjectIntersect USA, LLCDesert Center, CA559 GWhAug 2023Jul 2026 Solar
AV Solar Ranch OneAV Solar Ranch 1 LLCLancaster, CA555 GWhJul 2014Jul 2026 Solar
Dion R HolmCity & County of San Francisco - (CA)Groveland, CA552 GWhJul 1960Jul 2026 Water
McFarland A Solar and StorageAES Clean EnergyDateland, AZ537 GWhNov 2023Jul 2026 Solar
Golden Field Solar III, LLCGolden Fields Solar III, LLCRosamond, CA535 GWhNov 2020Jul 2026 Solar : 99.4%
Manzana Wind LLCAvangrid Power LLCRosamond, CA519 GWhNov 2012Dec 2025 Wind
Desert Sunlight 250, LLCNextEra Energy Desert Sunlight 250, LLCDesert Center, CA517 GWhOct 2013Dec 2025 Solar
SE Athos II, LLCSE Athos II, LLCDesert Center, CA516 GWhNov 2021Jul 2026 Solar
RE GarlandSouthern Power CoRosamond, CA510 GWhOct 2016Dec 2025 Solar
Agua Caliente Solar ProjectAgua Caliente SolarDateland, AZ507 GWhApr 2012Jul 2026 Solar
James B BlackPacific Gas & Electric Co.Big Bend, CA504 GWhNov 1965Jul 2026 Water
Great Valley Solar Portfolio Holdings, LRWE Clean EnergyCantua Creek, CA492 GWhNov 2017Jul 2026 Solar
Caribou 2Pacific Gas & Electric Co.Belden, CA491 GWhOct 1958Jul 2026 Water
Daggett 2Daggett Solar Power 2 LLCDaggett, CA486 GWhNov 2023Jul 2026 Solar
RE TranquillitySouthern Power CoCantua Creek, CA485 GWhJun 2016Dec 2025 Solar
Sandrini Solar 200EDPR CA Solar Park LLCMettler, CA484 GWhNov 2024Jul 2026 Solar
Scarlet Solar (CA)EDP Renewables North America LLCFresno, CA480 GWhMay 2024Jul 2026 Solar
R C KirkwoodCity & County of San Francisco - (CA)Groveland, CA478 GWhJan 1967Jul 2026 Water
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA475 GWhNov 1985Jul 2026 Natural Gas
Dixie ValleyOrmat Nevada IncFallon, NV469 GWhMay 1988Jul 2026 Geothermal
ProximaProxima Solar, LLCCrows Landing, CA467 GWhMar 2024Jul 2026 Solar
SunZia Wind NorthPattern Operators LPClines Corner, NM462 GWh-Jul 2026 Wind
Middle ForkPlacer County Water Agency - (CA)Foresthill, CA459 GWhSep 1966Jul 2026 Water
Lodi Energy CenterNorthern California Power AgnyLodi, CA456 GWhOct 2012Jul 2026 Natural Gas
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA454 GWhFeb 1984Jul 2026 Geothermal
Kerckhoff 2Pacific Gas & Electric Co.Auberry, CA450 GWhApr 1983Jul 2026 Water
Centinela Solar EnergyCentinela Solar Energy LLCCalexico, CA449 GWhJun 2013Dec 2025 Solar
White Wing SolarLeeward Asset Management, LLCYuma, AZ445 GWhSep 2024Jul 2026 Solar
Imperial Valley Solar, LLCImperial Valley Solar, LLCCalexico, CA442 GWhOct 2013Dec 2025 Solar
Rock CreekPacific Gas & Electric Co.Storrie, CA438 GWhFeb 1950Jul 2026 Water
Mesquite Solar 3, LLCRWE Clean EnergyTonopah, AZ437 GWhNov 2016Jul 2026 Solar
Sonoma California GeothermalGeysers Power Co LLCMiddletown, CA436 GWhNov 1983Dec 2025 Geothermal
BeldenPacific Gas & Electric Co.Belden, CA430 GWhAug 1969Jul 2026 Water
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA422 GWhJun 1982Jul 2026 Natural Gas
Voyager Wind IITerra-Gen Operating Co-WindMojave, CA419 GWhNov 2018Jul 2026 Wind
Northern Orchard Solar PV, LLCRWE Clean EnergyTaft, CA416 GWhJun 2025Jul 2026 Solar
Rosamond South 1Golden Fields Solar IV, LLCRosamond, CA415 GWhJul 2025Jul 2026 Solar
Desert Star Energy CenterDesert Star Energy Center SDG&EBoulder City, NV412 GWhApr 2000Jul 2026 Natural Gas
Ocotillo Express LLCPattern Operators LPOcotillo, CA411 GWhNov 2012Jul 2026 Wind

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#25Arizona Public Service Company25.8 TWh102
#55Arlington Valley, LLC3.2 TWh1
#38Balancing Authority of Northern California13.9 TWh91
#49Imperial Irrigation District6.2 TWh66
#29Los Angeles Department of Water and Power19.3 TWh132
#22Nevada Power Company38.6 TWh143
#51PUD No. 1 of Douglas County4.4 TWh5
#19Salt River Project Agricultural Improvement and Power District60.5 TWh51
#57Turlock Irrigation District1.9 TWh11
#39Western Area Power Administration - Desert Southwest Region10.6 TWh36

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.506.3 TWh1,487
#5Southwest Power Pool314.5 TWh876
#6Southern Company Services, Inc. - Trans259.3 TWh423
#7California Independent System Operator168.7 TWh2,170
#9Tennessee Valley Authority166.2 TWh209
#10Florida Power & Light Co.153.0 TWh188
#12New York Independent System Operator134.1 TWh1,334
#13Duke Energy Carolinas113.4 TWh578
#15ISO New England112.2 TWh1,667
#16Bonneville Power Administration91.1 TWh170