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 Apr 2026
Annual Generation 176.8 TWh
Power Plants2,075
Utilities965
Ranked #7 out of 65 in terms of net annual generation
Ranked #10 out of 54 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 38.5% Solar | 28.7% Water | 12.1% Wind | 10.2% Nuclear | 10.1%

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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 1,301 to 1,389 of 1,389
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Balch 2Pacific Gas & Electric Co.Balch Camp, CA443 GWhOct 1958Dec 2024 Water
Imperial Valley Solar, LLCImperial Valley Solar, LLCCalexico, CA444 GWhOct 2013Dec 2024 Solar
White Wing SolarLeeward Asset Management, LLCYuma, AZ445 GWhSep 2024Feb 2026 Solar
Sonoma California GeothermalGeysers Power Co LLCMiddletown, CA448 GWhNov 1983Dec 2024 Geothermal
Voyager Wind IITerra-Gen Operating Co-WindMojave, CA450 GWhNov 2018Feb 2026 Wind
Dixie ValleyOrmat Nevada IncFallon, NV456 GWhMay 1988Feb 2026 Geothermal
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA456 GWhFeb 1984Feb 2026 Geothermal
Pit 5Pacific Gas & Electric Co.Big Bend, CA456 GWhMar 1944Feb 2026 Water
R C KirkwoodCity & County of San FranciscoGroveland, CA462 GWhJan 1967Feb 2026 Water
ProximaProxima Solar, LLCCrows Landing, CA464 GWhMar 2024Feb 2026 Solar
Scarlet Solar (CA)EDP Renewables North America LLCFresno, CA467 GWhMay 2024Feb 2026 Solar
Kerckhoff 2Pacific Gas & Electric Co.Auberry, CA471 GWhApr 1983Feb 2026 Water
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA473 GWhNov 1985Feb 2026 Natural Gas
Caribou 2Pacific Gas & Electric Co.Belden, CA476 GWhOct 1958Feb 2026 Water
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA482 GWhJun 1982Feb 2026 Natural Gas
RE GarlandSouthern Power CoRosamond, CA483 GWhOct 2016Dec 2024 Solar
RE TranquillitySouthern Power CoCantua Creek, CA491 GWhJun 2016Dec 2024 Solar
Great Valley Solar Portfolio Holdings, LConsolidated Edison Development Inc.Cantua Creek, CA493 GWhNov 2017Feb 2026 Solar
Daggett 2Daggett Solar Power 2 LLCDaggett, CA516 GWhNov 2023Feb 2026 Solar
Golden Field Solar III, LLCGolden Fields Solar III, LLCRosamond, CA524 GWhNov 2020Feb 2026 Solar : 99.4%
Mammoth PoolSouthern California Edison CoNorth Fork, CA538 GWhFeb 1960Feb 2026 Water
Manzana Wind LLCAvangrid Power LLCRosamond, CA544 GWhNov 2012Dec 2024 Wind
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA544 GWhJan 1987Feb 2026 Natural Gas
McFarland A Solar and StorageAES Clean EnergyDateland, AZ553 GWhNov 2023Feb 2026 Solar
Desert Sunlight 250, LLCNextEra Energy Desert Sunlight 250, LLCDesert Center, CA556 GWhOct 2013Dec 2024 Solar
AV Solar Ranch OneAV Solar Ranch 1 LLCLancaster, CA557 GWhJul 2014Feb 2026 Solar
SE Athos II, LLCSE Athos II, LLCDesert Center, CA560 GWhNov 2021Feb 2026 Solar
Agua Caliente Solar ProjectAgua Caliente SolarDateland, AZ561 GWhApr 2012Feb 2026 Solar
Victory PassVictory Pass I, LLCDesert Center, CA565 GWhFeb 2024Feb 2026 Solar
Rock CreekPacific Gas & Electric Co.Storrie, CA577 GWhFeb 1950Feb 2026 Water
Blythe Solar 110, LLCBlythe Solar 110, LLCBlythe, CA581 GWhFeb 2016Dec 2024 Solar
Blythe Mesa Solar IIBlythe Mesa Solar II, LLCBlythe, CA586 GWhNov 2022Feb 2026 Solar
Mojave Solar ProjectMojave Solar LLCHinkley, CA586 GWhNov 2014Feb 2026 Solar
Oberon Solar ProjectIP Oberon LLCDesert Center, CA586 GWhAug 2023Feb 2026 Solar
Oberon II Solar ProjectIP Oberon II, LLCDesert Center, CA589 GWhAug 2023Feb 2026 Solar
Dion R HolmCity & County of San FranciscoGroveland, CA594 GWhJul 1960Feb 2026 Water
California Valley Solar RanchClearway Energy Operating LLCCalifornia Valley, CA598 GWhAug 2012Dec 2024 Solar
Genesis Solar Energy ProjectGenesis Solar LLCBlythe, CA599 GWhOct 2013Feb 2026 Solar
James B BlackPacific Gas & Electric Co.Big Bend, CA604 GWhNov 1965Feb 2026 Water
Stateline SolarSouthern Power CoNipton, CA620 GWhNov 2015Dec 2024 Solar
Arlington Energy Center IIArlington Energy Center IIBlythe, CA637 GWhFeb 2022Feb 2026 Solar
Solar BlueWestlands Solar Blue (OZ) Owner, LLCLemoore, CA642 GWhNov 2023Feb 2026 Solar
McCoy Solar Energy Project HybridMcCoy Solar, LLCBlythe, CA647 GWhJul 2015Dec 2024 Solar
AquamarineAquamarine Westside LLCLemoore, CA647 GWhAug 2021Feb 2026 Solar
Desert Sunlight 300, LLCNextEra Energy Desert Sunlight 300, LLCDesert Center, CA667 GWhOct 2013Dec 2024 Solar
Panoche Energy CenterPanoche Energy Center, LLCFirebaugh, CA669 GWhMay 2009Feb 2026 Natural Gas
Mount Signal Solar Farm VImperial Valley Solar 3, LLCCalexico, CA674 GWhOct 2018Feb 2026 Solar
Silver State Solar Power SouthSilver State Solar Power South, LLCPrimm Valley, NV676 GWhOct 2015Feb 2026 Solar
McFarland B Solar and StorageAES Clean EnergyDateland, AZ677 GWhNov 2024Feb 2026 Solar
Athos Solar ProjectSE Athos I, LLCDesert Center, CA700 GWhMay 2022Feb 2026 Solar
Rexford Solar FarmAES Clean EnergyDucor, CA706 GWh-Feb 2026 Solar
Slate HybridMN8 Energy LLCStratford, CA713 GWhOct 2021Feb 2026 Solar
Solar Star 2Solar Star California XX, LLCRosamond, CA716 GWhFeb 2014Feb 2026 Solar
Martinez RefiningMartinez Refining CoMartinez, CA725 GWhOct 1995Feb 2026 Natural Gas : 96.7% Other Gas : 3.3%
Solano WindSacramento Municipal Util DistRio Vista, CA742 GWhMay 1994Feb 2026 Wind
Big Creek 3Southern California Edison CoAuberry, CA756 GWhAug 1923Feb 2026 Water
Donald Von Raesfeld Power PlantCity of Santa Clara - (CA)Santa Clara, CA777 GWhFeb 2005Feb 2026 Natural Gas
Arica SolarArica Solar, LLCDesert Center, CA779 GWhFeb 2024Feb 2026 Solar
Desert QuartziteDesert Quartzite LLCBlythe, CA830 GWhNov 2024Feb 2026 Solar
Devil CanyonCalifornia Dept. of Water ResourcesSan Bernardino, CA834 GWhNov 1972Feb 2026 Water
Tracy Combined Cycle Power PlantMRP San Joaquin Energy LLC.Tracy, CA841 GWhMar 2003Feb 2026 Natural Gas
Daggett 3Daggett Solar Power 3 LLCDaggett, CA860 GWhJun 2023Feb 2026 Solar
Solar Star 1Solar Star California XIX, LLCRosamond, CA888 GWhFeb 2014Feb 2026 Solar
Richmond CogenChevron Products Company-RichmondRichmond, CA979 GWhJul 1992Feb 2026 Natural Gas : 97.6% Other Gas : 2.4%
Topaz Solar FarmTopaz Solar Farms LLCSanta Margarita, CA1 TWhMar 2013Feb 2026 Solar
Mountainview Generating StationSouthern California Edison CoRedlands, CA1 TWhNov 2005Feb 2026 Natural Gas
El Segundo CogenChevron USA Inc-El SegundoEl Segundo, CA1 TWhNov 1987Feb 2026 Natural Gas : 99.7%
AES Alamitos Energy CenterAES Alamitos Energy, LLCLong Beach, CA1 TWhJan 2020Feb 2026 Natural Gas
Crockett Cogen ProjectCrockett CogenerationCrockett, CA1 TWhNov 1995Feb 2026 Natural Gas
Palomar EnergySan Diego Gas & Electric CoEscondido, CA1 TWhSep 2005Feb 2026 Natural Gas
ColgateYuba County Water AgencyDobbins, CA1 TWhSep 1969Oct 2025 Water
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA1 TWhSep 2009Feb 2026 Natural Gas
La Paloma Generating PlantCXA La Paloma LLCMcKittrick, CA1 TWhDec 2002Feb 2026 Natural Gas
Russell City Energy CenterRussell City Energy Company LLCHayward, CA2 TWhJul 2013Feb 2026 Natural Gas
AES Huntington Beach Energy ProjectAES Huntington Beach Energy, LLCHuntington Beach, CA2 TWhJan 2020Feb 2026 Natural Gas
Edward C HyattCalifornia Dept. of Water ResourcesOroville, CA2 TWhFeb 1968Feb 2026 Water
Dynegy Moss Landing Power Plant HybridDynegy -Moss Landing LLCMoss Landing, CA2 TWhNov 1967Feb 2026 Natural Gas
Metcalf Energy CenterCalpine Corp - Metcalf Energy CenterSan Jose, CA2 TWhMay 2005Feb 2026 Natural Gas
Sunrise Power LLCSunrise Power Co LLCFellows, CA2 TWhMay 2001Feb 2026 Natural Gas
Colusa Generating StationPacific Gas & Electric Co.Maxwell, CA2 TWhNov 2010Feb 2026 Natural Gas
Los Medanos Energy CenterLos Medanos Energy Center LLCPittsburg, CA2 TWhJul 2001Feb 2026 Natural Gas
Watson CogenerationARCO Products Co-WatsonCarson, CA2 TWhNov 1987Feb 2026 Natural Gas : 77.2% Other Gas : 22.1% Waste/Other Oil : 0.7%
Gateway Generating StationPacific Gas & Electric Co.Antioch, CA3 TWhDec 2008Feb 2026 Natural Gas
Elk Hills Power LLCElk Hills Power LLCTupman, CA3 TWhJun 2003Feb 2026 Natural Gas
High Desert Power PlantMRP Generation Holdings, LLCVictorville, CA3 TWhMar 2003Jan 2026 Natural Gas
Pastoria Energy Facility, LLCCalpine Corp - Pastoria Energy CenterLebec, CA4 TWhApr 2005Feb 2026 Natural Gas
Delta Energy CenterDelta Energy Center LLCPittsburg, CA4 TWhApr 2002Feb 2026 Natural Gas
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Feb 2026 Geothermal
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA17 TWhApr 1985Feb 2026 Nuclear

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#26Arizona Public Service Company24.6 TWh92
#54Arlington Valley, LLC3.3 TWh1
#37Balancing Authority of Northern California14.1 TWh87
#48Imperial Irrigation District6.3 TWh66
#30Los Angeles Department of Water and Power18.4 TWh124
#22Nevada Power Company36.8 TWh139
#64New Harquahala Generating Company, LLC32.9 GWh1
#19Salt River Project Agricultural Improvement and Power District60.0 TWh48
#57Turlock Irrigation District2.0 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.488.2 TWh1,313
#5Southwest Power Pool302.9 TWh835
#6Southern Company Services, Inc. - Trans250.9 TWh417
#7California Independent System Operator176.8 TWh2,075
#9Tennessee Valley Authority163.1 TWh204
#10Florida Power & Light Co.150.9 TWh187
#12New York Independent System Operator134.4 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#15ISO New England111.1 TWh1,577
#16Bonneville Power Administration88.3 TWh163