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 1,301 to 1,387 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Imperial Valley Solar, LLCImperial Valley Solar, LLCCalexico, CA444 GWhOct 2013Dec 2024 Solar
Sonoma California GeothermalGeysers Power Co LLCMiddletown, CA448 GWhNov 1983Dec 2024 Geothermal
Mesquite Solar 3, LLCConsolidated Edison Development Inc.Tonopah, AZ449 GWhNov 2016Sep 2025 Solar
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA456 GWhFeb 1984Sep 2025 Geothermal
ProximaProxima Solar, LLCCrows Landing, CA462 GWhMar 2024Sep 2025 Solar
Ocotillo Express LLCPattern Operators LPOcotillo, CA462 GWhNov 2012Sep 2025 Wind
Dion R HolmCity & County of San FranciscoGroveland, CA466 GWhJul 1960Sep 2025 Water
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA467 GWhNov 1985Sep 2025 Natural Gas
White Wing SolarLeeward Asset Management, LLCYuma, AZ467 GWhSep 2024Sep 2025 Solar
McFarland B Solar and StorageAES Clean EnergyDateland, AZ479 GWhNov 2024Sep 2025 Solar : 99.8%
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA479 GWhJun 1982Sep 2025 Natural Gas
RE GarlandSouthern Power CoRosamond, CA483 GWhOct 2016Dec 2024 Solar
RE TranquillitySouthern Power CoCantua Creek, CA491 GWhJun 2016Dec 2024 Solar
Scarlet Solar (CA)EDP Renewables North America LLCFresno, CA499 GWhMay 2024Sep 2025 Solar
Voyager Wind IITerra-Gen Operating Co-WindMojave, CA506 GWhNov 2018Sep 2025 Wind
Great Valley Solar Portfolio Holdings, LConsolidated Edison Development Inc.Cantua Creek, CA522 GWhNov 2017Sep 2025 Solar
Daggett 2Daggett Solar Power 2 LLCDaggett, CA527 GWhNov 2023Sep 2025 Solar
McFarland A Solar and StorageAES Clean EnergyDateland, AZ528 GWhNov 2023Sep 2025 Solar
Golden Field Solar III, LLCGolden Fields Solar III, LLCRosamond, CA530 GWhNov 2020Sep 2025 Solar
Manzana Wind LLCAvangrid Power LLCRosamond, CA544 GWhNov 2012Dec 2024 Wind
Desert Star Energy CenterDesert Star Energy Center SDG&EBoulder City, NV546 GWhApr 2000Sep 2025 Natural Gas
Agua Caliente Solar ProjectAgua Caliente SolarDateland, AZ548 GWhApr 2012Sep 2025 Solar
Desert Sunlight 250, LLCNextEra Energy Desert Sunlight 250, LLCDesert Center, CA556 GWhOct 2013Dec 2024 Solar
Rexford Solar FarmAES Clean EnergyDucor, CA559 GWh-Sep 2025 Solar
SE Athos II, LLCSE Athos II, LLCDesert Center, CA565 GWhNov 2021Sep 2025 Solar
AV Solar Ranch OneAV Solar Ranch 1 LLCLancaster, CA570 GWhJul 2014Sep 2025 Solar
Blythe Solar 110, LLCBlythe Solar 110, LLCBlythe, CA581 GWhFeb 2016Dec 2024 Solar
Oberon Solar ProjectIP Oberon LLCDesert Center, CA581 GWhAug 2023Sep 2025 Solar
Blythe Mesa Solar IIBlythe Mesa Solar II, LLCBlythe, CA584 GWhNov 2022Sep 2025 Solar
Mojave Solar ProjectMojave Solar LLCHinkley, CA588 GWhNov 2014Sep 2025 Solar
James B BlackPacific Gas & Electric Co.Big Bend, CA597 GWhNov 1965Sep 2025 Water
California Valley Solar RanchClearway Energy Operating LLCCalifornia Valley, CA598 GWhAug 2012Dec 2024 Solar
Big Creek 3Southern California Edison CoAuberry, CA598 GWhAug 1923Sep 2025 Water
Oberon II Solar ProjectIP Oberon II, LLCDesert Center, CA598 GWhAug 2023Sep 2025 Solar
Rock CreekPacific Gas & Electric Co.Storrie, CA610 GWhFeb 1950Sep 2025 Water
Victory PassVictory Pass I, LLCDesert Center, CA610 GWhFeb 2024Sep 2025 Solar
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA613 GWhJan 1987Sep 2025 Natural Gas
Pit 5Pacific Gas & Electric Co.Big Bend, CA620 GWhMar 1944Sep 2025 Water
Stateline SolarSouthern Power CoNipton, CA620 GWhNov 2015Dec 2024 Solar
Genesis Solar Energy ProjectGenesis Solar LLCBlythe, CA623 GWhOct 2013Sep 2025 Solar
Arlington Energy Center IIArlington Energy Center IIBlythe, CA633 GWhFeb 2022Sep 2025 Solar
McCoy Solar Energy Project HybridMcCoy Solar, LLCBlythe, CA647 GWhJul 2015Dec 2024 Solar
Solar BlueWestlands Solar Blue (OZ) Owner, LLCLemoore, CA658 GWhNov 2023Sep 2025 Solar
Desert Sunlight 300, LLCNextEra Energy Desert Sunlight 300, LLCDesert Center, CA667 GWhOct 2013Dec 2024 Solar
Silver State Solar Power SouthSilver State Solar Power South, LLCPrimm Valley, NV673 GWhOct 2015Sep 2025 Solar
Lodi Energy CenterNorthern California Power AgnyLodi, CA673 GWhOct 2012Sep 2025 Natural Gas
Mount Signal Solar Farm VImperial Valley Solar 3, LLCCalexico, CA674 GWhOct 2018Sep 2025 Solar
AquamarineAquamarine Westside LLCLemoore, CA679 GWhAug 2021Sep 2025 Solar
Athos Solar ProjectSE Athos I, LLCDesert Center, CA703 GWhMay 2022Sep 2025 Solar
Solar Star 2Solar Star California XX, LLCRosamond, CA714 GWhFeb 2014Sep 2025 Solar
Arica SolarArica Solar, LLCDesert Center, CA719 GWhFeb 2024Sep 2025 Solar
Slate HybridMN8 Energy LLCStratford, CA741 GWhOct 2021Sep 2025 Solar
Donald Von Raesfeld Power PlantCity of Santa Clara - (CA)Santa Clara, CA741 GWhFeb 2005Sep 2025 Natural Gas
Desert QuartziteDesert Quartzite LLCBlythe, CA755 GWhNov 2024Sep 2025 Solar
Martinez RefiningMartinez Refining CoMartinez, CA790 GWhOct 1995Sep 2025 Natural Gas : 96.4% Other Gas : 3.6%
Devil CanyonCalifornia Dept. of Water ResourcesSan Bernardino, CA791 GWhNov 1972Sep 2025 Water
Solano WindSacramento Municipal Util DistRio Vista, CA802 GWhMay 1994Sep 2025 Wind
Daggett 3Daggett Solar Power 3 LLCDaggett, CA878 GWhJun 2023Sep 2025 Solar
Solar Star 1Solar Star California XIX, LLCRosamond, CA898 GWhFeb 2014Sep 2025 Solar
Panoche Energy CenterPanoche Energy Center, LLCFirebaugh, CA907 GWhMay 2009Sep 2025 Natural Gas
Richmond CogenChevron Products Company-RichmondRichmond, CA970 GWhJul 1992Sep 2025 Natural Gas : 97.2% Other Gas : 2.8%
Topaz Solar FarmTopaz Solar Farms LLCSanta Margarita, CA1 TWhMar 2013Sep 2025 Solar
Tracy Combined Cycle Power PlantMRP San Joaquin Energy LLC.Tracy, CA1 TWhMar 2003Sep 2025 Natural Gas
Crockett Cogen ProjectCrockett CogenerationCrockett, CA1 TWhNov 1995Sep 2025 Natural Gas
El Segundo CogenChevron USA Inc-El SegundoEl Segundo, CA1 TWhNov 1987Aug 2025 Natural Gas : 99.6%
ColgateYuba County Water AgencyDobbins, CA1 TWhSep 1969Sep 2025 Water
Palomar EnergySan Diego Gas & Electric CoEscondido, CA1 TWhSep 2005Sep 2025 Natural Gas
Russell City Energy CenterRussell City Energy Company LLCHayward, CA1 TWhJul 2013Sep 2025 Natural Gas
Mountainview Generating StationSouthern California Edison CoRedlands, CA2 TWhNov 2005Sep 2025 Natural Gas
La Paloma Generating PlantCXA La Paloma LLCMcKittrick, CA2 TWhDec 2002Sep 2025 Natural Gas
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA2 TWhSep 2009Sep 2025 Natural Gas
Sunrise Power LLCSunrise Power Co LLCFellows, CA2 TWhMay 2001Sep 2025 Natural Gas
AES Alamitos Energy CenterAES Alamitos Energy, LLCLong Beach, CA2 TWhJan 2020Sep 2025 Natural Gas
Edward C HyattCalifornia Dept. of Water ResourcesOroville, CA2 TWhFeb 1968Sep 2025 Water
AES Huntington Beach Energy ProjectAES Huntington Beach Energy, LLCHuntington Beach, CA2 TWhJan 2020Sep 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%
Metcalf Energy CenterCalpine Corp - Metcalf Energy CenterSan Jose, CA3 TWhMay 2005Sep 2025 Natural Gas
Los Medanos Energy CenterLos Medanos Energy Center LLCPittsburg, CA3 TWhJul 2001Sep 2025 Natural Gas
Dynegy Moss Landing Power Plant HybridDynegy -Moss Landing LLCMoss Landing, CA3 TWhNov 1967Sep 2025 Natural Gas
Colusa Generating StationPacific Gas & Electric Co.Maxwell, CA3 TWhNov 2010Sep 2025 Natural Gas
Gateway Generating StationPacific Gas & Electric Co.Antioch, CA3 TWhDec 2008Sep 2025 Natural Gas
Elk Hills Power LLCElk Hills Power LLCTupman, CA3 TWhJun 2003Sep 2025 Natural Gas
Delta Energy CenterDelta Energy Center LLCPittsburg, CA3 TWhApr 2002Sep 2025 Natural Gas
High Desert Power PlantMRP Generation Holdings, LLCVictorville, CA3 TWhMar 2003Sep 2025 Natural Gas
Pastoria Energy Facility, LLCCalpine Corp - Pastoria Energy CenterLebec, CA4 TWhApr 2005Sep 2025 Natural Gas
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Sep 2025 Geothermal
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA18 TWhApr 1985Sep 2025 Nuclear

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