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 to 100 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
A G WishonPacific Gas & Electric Co.North Fork, CA22 GWhAug 1910Dec 2024 Water
ABEC #2 dba West-Star DairyABEC #2 LLCButtonwillow, CA8 GWhJan 2018Dec 2024 Other Biomass Gas
ABEC #3 dba Lakeview DairyABEC #3 LLCBakersfield, CA6 GWhJan 2018Dec 2024 Other Biomass Gas
ABEC #4 dba CE&S DairyABEC #4 LLCBakersfield, CA8 GWhJan 2018Dec 2024 Other Biomass Gas
ABEC Bidart-Old River LLCABEC Bidart-Old River LLCBakersfield, CA16 GWhNov 2013Dec 2024 Other Biomass Gas
Abel Road BioenergyACC Renewable ResourcesWilliams, CA22 GWhJun 2022Dec 2024 Agricultural By-Products
Adelanto Solar II, LLCAdelanto Solar II, LLCAdelanto, CA14 GWhJun 2015Dec 2024 Solar
Adelanto Solar, LLCAdelanto Solar, LLCAdelanto, CA53 GWhAug 2015Dec 2024 Solar
Adera SolarAES Distributed EnergyChowchilla, CA17 GWhNov 2015Dec 2024 Solar
Adobe SolarSouthern Power CoArvin, CA40 GWhApr 2014Dec 2024 Solar
Aera San Ardo Cogen FacilityAera Energy LLC-San ArdoSan Ardo, CA17 GWhJun 1989Dec 2024 Natural Gas
AES Alamitos Energy CenterAES Alamitos Energy, LLCLong Beach, CA2 TWhJan 2020Sep 2025 Natural Gas
AES Alamitos LLCAES Alamitos LLCLong Beach, CA38 GWhAug 1956Aug 2025 Natural Gas
AES Huntington Beach Energy ProjectAES Huntington Beach Energy, LLCHuntington Beach, CA2 TWhJan 2020Sep 2025 Natural Gas
AES Huntington Beach LLCAES Huntington Beach LLCHuntington Beach, CA8 GWhMay 1958Aug 2025 Natural Gas
AES Redondo Beach LLCAES Redondo Beach LLCRedondo Beach, CA256 GWhSep 1954Dec 2023 Natural Gas
Agnews Power PlantOLS Energy-Agnews Inc.San Jose, CA10 GWhOct 1990Dec 2024 Natural Gas
Agriculture Capital - Legacy PackingDistributed Solar Development, LLCDinuba, CA4 GWhNov 2022Dec 2024 Solar
AGT000 Stevens Creek Fuel Cell2016 ESA Project Company, LLCSanta Clara, CA8 GWhAug 2018Dec 2024 Natural Gas
Agua Caliente Solar ProjectAgua Caliente SolarDateland, AZ548 GWhApr 2012Sep 2025 Solar
Agua Mansa Power PlantE I Colton LLCColton, CA9 GWhMay 2003Dec 2024 Natural Gas
Aidlin Geothermal Power PlantGeysers Power Co LLCMiddletown, CA81 GWhApr 1989Dec 2024 Geothermal
AlamedaNorthern California Power AgnyAlameda, CA3 GWhApr 1986Dec 2024 Natural Gas
AlamoCalifornia Dept. of Water ResourcesPearblossom, CA56 GWhJun 1986Dec 2024 Water
Alamo SolarOnward EnergyOro Grande, CA48 GWhApr 2015Dec 2024 Solar
Algonquin Power Sanger LLCAlgonquin Power Sanger LLCSanger, CA5 GWhNov 2007Sep 2025 Natural Gas
Algonquin SKIC 10 Solar, LLCAlgonquin Power CoTaft, CA15 GWhDec 2016Dec 2024 Solar
Algonquin SKIC20 Solar LLCAlgonquin Power CoTaft, CA41 GWhApr 2015Dec 2024 Solar
AlmondWestlands Almond LLCLemoore, CA39 GWhAug 2023Dec 2024 Solar
Alpaugh 50Consolidated Edison Development Inc.Alpaugh, CA85 GWhNov 2012Dec 2024 Solar
Alpaugh NorthConsolidated Edison Development Inc.Alpaugh, CA31 GWhNov 2012Dec 2024 Solar
Alpine SolarAlpine BESS LLCLancaster, CA119 GWhJan 2013Dec 2024 Solar
Alta PowerhousePacific Gas & Electric Co.Alta, CA1 GWhOct 1902Dec 2024 Water
Alta Wind Energy Center IAlta Wind I, LLCMojave, CA435 GWhDec 2010Dec 2024 Wind
Alta Wind Energy Center IIAlta Wind II, LLCMojave, CA365 GWhDec 2010Dec 2024 Wind
Alta Wind Energy Center IIIAlta Wind III, LLCMojave, CA363 GWhJan 2011Dec 2024 Wind
Alta Wind Energy Center IVAlta Wind IV, LLCMojave, CA193 GWhMar 2011Dec 2024 Wind
Alta Wind Energy Center VAlta Wind V, LLCMojave, CA288 GWhMar 2011Dec 2024 Wind
Alta Wind VIIINextera Energy ResourcesMojave, CA222 GWhDec 2011Dec 2024 Wind
Alta Wind XAlta Wind X, LLCMojave, CA379 GWhDec 2013Dec 2024 Wind
Alta Wind XIAlta Wind XI, LLCMojave, CA269 GWhDec 2013Dec 2024 Wind
AltaGas Ripon Energy Inc.AltaGas Ripon Energy Inc.Ripon, CA2 GWhMar 1988Sep 2025 Natural Gas
Altamont Gas RecoveryWM Renewable Energy LLCLivermore, CA39 GWhFeb 1969Dec 2024 Landfill Gas
Alticor Inc - Solar ProjectMN8 Energy LLCBuena Park, CA2 GWhNov 2017Dec 2024 Solar
AM Wind Repower LLCBrookfield Renewable Trading and Marketing LPWhitewater, CA67 GWh-Sep 2025 Wind
Amazon Bakersfield 1 Solar ProjectSolar Star Prime 3, LLCBakersfiled, CA8 GWhDec 2023Dec 2024 Solar
Amazon PSP1Greenbacker Renewable Energy CorporationBeaumont, CA7 GWhSep 2021Dec 2024 Solar
Amazon SAN3 Solar ProjectSolar Star Prime 4 LLCSan Diego, CA6 GWhApr 2024Dec 2024 Solar
Amazon - Stockton - Roof (SCK1) - (CA)Forefront Power, LLCStockton, CA4 GWhFeb 2023Dec 2024 Solar
Ameresco Butte CountyAmeresco Butte County LLCParadise, CA17 GWhJan 2013Dec 2024 Landfill Gas
Ameresco Chiquita CanyonAMERESCO Chiquita Canyon LLCCastaic, CA2 GWhOct 2010Dec 2024 Landfill Gas
Ameresco ForwardAmeresco Forward, LLCManteca, CA32 GWhJan 2014Dec 2024 Landfill Gas
Ameresco Johnson CanyonAmeresco Johnson Canyon LLCGonzales, CA9 GWhApr 2013Dec 2024 Landfill Gas
Ameresco Keller CanyonAMERESCO Keller Canyon LLCBay Point, CA19 GWhJun 2009Dec 2024 Landfill Gas
Ameresco Ox MountainAMERESCO Ox Mountain Energy LLCHalf Moon Bay, CA81 GWhNov 2008Sep 2025 Landfill Gas
Ameresco San JoaquinAmeresco San Joaquin, LLCLinden, CA31 GWhMar 2014Dec 2024 Landfill Gas
Ameresco Santa Cruz EnergyAMERESCO Santa Cruz Energy LLCWatsonville, CA16 GWhDec 2005Dec 2024 Landfill Gas
Ameresco Vasco RoadAmeresco Vasco Road, LLCLivermore, CA32 GWhFeb 2013Dec 2024 Landfill Gas
American Canyon SolarRP Napa Solar 1, LLCAmerican Canyon, CA7 GWhAug 2019Dec 2024 Solar
American Kings Solar, LLCMN8 Energy LLCLemoore, CA334 GWhNov 2020Sep 2025 Solar
Anaheim Solar Energy PlantAnaheim Public UtilitiesAnaheim, CA3 GWhJul 2014Dec 2024 Solar
AngelsUtica Water & Power AuthorityAngels Camp, CA6 GWhDec 1939Dec 2024 Water
Anheuser-Busch #2Foundation HA Energy Generation, LLCFairfield, CA4 GWhOct 2014Sep 2025 Wind
Anheuser Busch - FairfieldBloom EnergyFairfield, CA21 GWhNov 2022Dec 2024 Natural Gas
Antelope Big Sky RanchAES Distributed EnergyLancaster, CA54 GWhJul 2016Dec 2024 Solar
Antelope DSR 1AES Distributed EnergyLancaster, CA132 GWhNov 2016Sep 2025 Solar
Antelope DSR 2AES Distributed EnergyLancaster, CA12 GWhNov 2016Dec 2024 Solar
Antelope DSR 3AES Distributed EnergyLancaster, CA58 GWhAug 2019Dec 2024 Solar
Antelope Expansion 1BAES Distributed EnergyLancaster, CA45 GWhOct 2022Dec 2024 Solar
Antelope Expansion 2AES Distributed EnergyLancaster, CA271 GWhNov 2018Sep 2025 Solar
Antelope Expansion 3AAES Distributed EnergyLancaster, CA32 GWhMay 2021Dec 2024 Solar
Antelope Expansion 3BAES Distributed EnergyLancaster, CA11 GWhMay 2021Dec 2024 Solar
AP North Lake I, LPAP North Lake I, LPHemet, CA40 GWhJul 2015Dec 2024 Solar
APP Prune A-DBloom EnergyCupertino, CA27 GWhApr 2017Dec 2023 Natural Gas
Apple Campus 2 Fuel CellApple, IncCupertino, CA30 GWhMay 2017Dec 2024 Landfill Gas
Apple Campus 2 PVApple, IncCupertino, CA17 GWhMay 2017Dec 2024 Solar
AquamarineAquamarine Westside LLCLemoore, CA679 GWhAug 2021Sep 2025 Solar
Argus Cogen PlantSearles Valley Minerals Operations Inc.Trona, CA252 GWhNov 1947Sep 2025 Bituminous Coal : 94.8% Natural Gas : 5.2%
Arica SolarArica Solar, LLCDesert Center, CA719 GWhFeb 2024Sep 2025 Solar
Arlington Energy Center IIArlington Energy Center IIBlythe, CA633 GWhFeb 2022Sep 2025 Solar
Arlington Energy Center IIIArlington Energy Center IIIBlythe, CA321 GWhJul 2022Sep 2025 Solar
Arrache 4006CD US Solar MT 2 LLCPalmdale, CA2 GWhJul 2013Dec 2024 Solar
Arrache 4013CD US Solar MT 2 LLCPalmdale, CA3 GWhJul 2013Dec 2024 Solar
Arrache 8083CD US Solar MT 2 LLCPalmdale, CA3 GWhAug 2013Dec 2024 Solar
Aspiration GAES Distributed EnergyCantua Creek, CA21 GWhAug 2017Dec 2024 Solar
ASTIPerpetual Energy SystemsCloverdale, CA1 GWhJan 2009Dec 2024 Solar
AT&T AnaheimBloom EnergyAnaheim, CA10 GWhAug 2016Dec 2024 Natural Gas
AT&T - GardenaBloom EnergyGardena, CA8 GWhMay 2013Dec 2024 Natural Gas
AT&T - HawthorneBloom EnergyHawthorne, CA6 GWhSep 2016Dec 2024 Natural Gas
AT&T - HaywardBloom EnergyHayward, CA8 GWhOct 2016Dec 2024 Natural Gas
AT&T HolgerBloom EnergySan Jose, CA1 GWhMay 2016Dec 2024 Natural Gas
AT&T - Redwood CityBloom EnergyRedwood City, CA6 GWhFeb 2013Dec 2024 Natural Gas
AT&T San DiegoBloom EnergySan Diego, CA4 GWhFeb 2015Dec 2023 Natural Gas
AT&T - San Diego Trade StreetBloom EnergySan Diego, CA6 GWhFeb 2016Dec 2024 Natural Gas
Atascadero State HospitalEcoplexus, IncAtascadero, CA3 GWhJul 2020Dec 2024 Solar
Athos Solar ProjectSE Athos I, LLCDesert Center, CA703 GWhMay 2022Sep 2025 Solar
ATT KelvinBloom EnergyIrvine, CA8 GWhMar 2017Dec 2024 Natural Gas
ATT North WatneyBloom EnergyFairfield, CA8 GWhNov 2019Dec 2024 Natural Gas
Atwell IslandSPS Atwell Island LLCAlpaugh, CA33 GWhFeb 2013Dec 2024 Solar
Atwell Island West SolarConsolidated Edison Development Inc.Alpaugh, CA45 GWhApr 2015Dec 2024 Solar

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