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 Jul 2026
Annual Generation 169.4 TWh
Power Plants2,135
Utilities988
Ranked #7 out of 64 in terms of net annual generation
Ranked #12 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 34% Solar | 30% Water | 12.4% Wind | 11.3% Nuclear | 11%

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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 1,391
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Bidwell Ditch ProjectMega RenewablesHat Creek, CA11 GWhFeb 1987Dec 2024 Water
Shelter Creek Condominiums SolarVista Solar, Inc.San Bruno, CA4 GWhJan 2020Dec 2024 Solar
SCCCD - Fresno Community CollegeForefront Power, LLCFresno, CA3 GWhSep 2018Dec 2024 Solar
Desert Green Solar Farm LLCInvenergy Services LLCBoulevard, CA10 GWhOct 2014Dec 2024 Solar
Three Forks Water Power ProjectGrizzly Mountain RanchZenia, CA3 GWhNov 1984Dec 2024 Water
Amazon - Stockton - Roof (SCK1) - (CA)Forefront Power, LLCStockton, CA4 GWhFeb 2023Dec 2024 Solar
SeaWorld AquaticaOnyx Asset Services GroupChula Vista, CA2 GWhApr 2018Dec 2024 Solar
Victory Garden (Tehachapi)Wind Stream Operations LLCTehachapi, CA33 GWhNov 1981Dec 2024 Wind
CA-DGS- RFP-Correctional Training FacForefront Power, LLCSoledad, CA3 GWhFeb 2024Dec 2024 Solar
Garnet Solar Generation Station I LLCGarnet Solar Generation Station I LLCPalm Springs, CA9 GWhNov 2014Dec 2024 Solar
CamChino Leasing LLCCamChino Leasing LLCChino, CA7 GWhNov 1987Dec 2024 Natural Gas
Mesa Wind RepowerMesa Wind RepowerWhitewater, CA80 GWhMay 2024Dec 2024 Wind
University of the PacificThe Greater Light USA LLCStockton, CA6 GWhApr 2022Dec 2024 Solar
Amazon PSP1Greenbacker Renewable Energy CorporationBeaumont, CA7 GWhSep 2021Dec 2024 Solar
Ameresco Chiquita CanyonAMERESCO Chiquita Canyon LLCCastaic, CA2 GWhOct 2010Dec 2024 Landfill Gas
Red BluffCalifornia Power Holdings LLCRed Bluff, CA10 GWhJul 2001Dec 2024 Natural Gas
Chambers 4 - Eastvale DCA2MN8 Energy LLCEastvale, CA424 MWhNov 2018Dec 2024 Solar
CSUF State CollegeMN8 Energy LLCFullerton, CA2 GWhNov 2016Dec 2024 Solar
Amazon SAN3 Solar ProjectSolar Star Prime 4 LLCSan Diego, CA6 GWhApr 2024Dec 2024 Solar
DGS Valley State PrisonForefront Power, LLCChowchilla, CA4 GWhJan 2021Dec 2024 Solar
OES Biogas PowerOrganic Energy Solutions, Inc.San Bernardino, CA5 GWh-Dec 2024 Other Biomass Gas
CA - DGS RFP - RJ Donovan State PrisonForefront Power, LLCSan Diego, CA5 GWhDec 2023Dec 2024 Solar
SB Water Reclamation Fuel CellSan Bernardino Fuel Cell, LLCSan Bernardino, CA9 GWhMay 2021Dec 2024 Other Biomass Gas : 91.7% Natural Gas : 8.3%
Costa View Farms127 CVF, LLCMadera, CA5 GWhMay 2024Dec 2024 Solar
BCE Los Alamitos 1Bright Canyon EnergyLos Alamitos, CA19 GWhJul 2023Dec 2024 Solar
Cawelo Water District SolarScooby Solar, LLCFamoso, CA7 GWhSep 2023Dec 2024 Solar
CA - Madera USD - Madera South HSForefront Power, LLCMadera, CA2 GWhAug 2023Dec 2024 Solar
CA - Ventura Co CCD - Moorpark CollegeForefront Power, LLCMoorpark, CA5 GWhJul 2023Dec 2024 Solar
Bishop Ranch BR 1-XBollinger Canyon Road BR 1-X Solar Project 2020San Ramon, CA2 GWhFeb 2022Dec 2024 Solar
Palo Verde CollegeScale Sustainable I, LLCBlythe, CA2 GWhJul 2009Dec 2024 Solar
2081 Terzian Solar ProjectSolarenewal LLCReedley, CA2 GWhJan 2014Dec 2024 Solar
Riverside RWQCP Fuel CellRiverside Fuel Cell, LLCRiverside, CA9 GWhJul 2016Dec 2024 Other Biomass Gas : 83.8% Natural Gas : 16.2%
CA-DGS RFP-Pleasant Valley State PrisonForefront Power, LLCCoalinga, CA4 GWhDec 2023Dec 2024 Solar
Westside Solar Power PV1Westside Assets LLCLemoore, CA5 GWhApr 2016Dec 2024 Solar
Reedley Community College SolarForefront Power, LLCReedley, CA4 GWhNov 2018Dec 2024 Solar
Fresno Bullard High School HybridForefront Power, LLCFresno, CA2 GWhFeb 2020Dec 2024 Solar
Toyota Long Beach TrigenLong Beach Trigen, LLCLong Beach, CA17 GWhOct 2023Dec 2024 Other Biomass Gas
DGS Wasco State PrisonForefront Power, LLCWasco, CA4 GWhJun 2020Dec 2024 Solar
Fresno Sunnyside High School HybridForefront Power, LLCFresno, CA3 GWhNov 2020Dec 2024 Solar
Kroger La HabraRalph's Grocery CompanyLa Habra, CA2 GWhMar 2020Dec 2024 Solar
Fresno Hoover High School HybridForefront Power, LLCFresno, CA2 GWhFeb 2020Dec 2024 Solar
Tejon Castac Water District SolarCTMW Solar, LLCArvin, CA3 GWhApr 2024Dec 2024 Solar
CA - Fresno County - Juvenile HallForefront Power, LLCFresno, CA552 MWhFeb 2022Dec 2024 Solar
Dos PalosGreenbacker Renewable Energy CorporationDos Palos, CA2 GWhOct 2021Dec 2024 Solar
Calibrant Bakersfield LLCBay4 Energy Services, LLCBakersfield, CA4 GWhJan 2022Dec 2024 Solar
Grossmont CollegeForefront Power, LLCEl Cajon, CA4 GWhFeb 2023Dec 2024 Solar
CA-DGS-California Correctional InstForefront Power, LLCTehachapi, CA7 GWhMar 2024Dec 2024 Solar
Van der Kooi Dairy Solar ArrayMaas Energy WorksRiverdale, CA4 GWhMar 2021Dec 2024 Solar
Univ of San Francisco CogenUniversity of San FranciscoSan Francisco, CA5 GWhAug 1987Dec 2024 Natural Gas
Covanta Stanislaus EnergyCovanta Stanislaus IncCrows Landing, CA62 GWhAug 1988Dec 2024 Non-biogenic Municipal Solid Waste : 50.0% Biogenic Municipal Solid Waste : 40.9% Distillate Fuel Oil : 9.1%
Chambers 4 - Eastvale LGB3MN8 Energy LLCEastvale, CA4 GWhJan 2019Dec 2024 Solar
Gilead Foster City Solar ProjectGilead Sciences Inc. Foster CityFoster City, CA2 GWhMar 2021Dec 2024 Solar
Tipton 1 - (CA)CleanCapital HoldingsTipton, CA167 MWhNov 2024Dec 2024 Solar
Long Beach GenerationLong Beach Generation LLCLong Beach, CA10 GWhNov 1976Dec 2024 Natural Gas
Chowchilla IICalifornia Power Holdings LLCChowchilla, CA16 GWhMay 2001Dec 2024 Natural Gas
9150 Hermosa Solar GMValta EnergyRancho Cucamonga, CA3 GWhNov 2022Dec 2024 Solar
ZCOWind Stream Operations LLCTehachapi, CA1 GWhNov 1985Dec 2024 Wind
CA-Ventura Co CCD-Oxnard College CanopyForefront Power, LLCVentura, CA3 GWhNov 2022Dec 2024 Solar
Broadridge CogenBroadridge Customer CommunicationsEl Dorado Hills, CA16 GWhApr 2008Dec 2024 Natural Gas : 91.9% Solar : 8.1%
Juniper Networks SunnyvaleBloom EnergySunnyvale, CA4 GWhNov 2012Dec 2024 Natural Gas
Meridian VineyardsCVI CleanCapital Solar 1 LLCPaso Robles, CA1 GWhNov 2010Dec 2024 Solar
Improvement Dst No. 4Kern County Water Agency - (CA)Bakersfield, CA12 MWhDec 2008Dec 2024 Solar
Helzel & Schwarzhoff 86Wind Stream Operations LLCTehachapi, CA3 GWhNov 1986Dec 2024 Wind
CA-DGS-California Men's ColonyForefront Power, LLCSan Luis Obispo, CA5 GWhApr 2023Dec 2024 Solar
Vulcan San Emidio SolarRenew Solar VMC LLCBakersfield, CA4 GWhFeb 2023Dec 2024 Solar
2127 Harris Solar ProjectSolarenewal LLCLive Oak, CA1 GWhMar 2014Dec 2024 Solar
MCAGCC Cogen PlantDOD USMC Marine Air Ground CombatTwentynine Palms, CA69 GWhJan 2003Dec 2024 Natural Gas
CA-DGS RFP-Salinas Valley State PrisonForefront Power, LLCSoledad, CA7 GWhOct 2023Dec 2024 Solar
Lindberg FIeld SolarLindberg Field Solar I LLCSan Diego, CA3 GWhAug 2015Dec 2024 Solar
2097 Helton Solar ProjectSolarenewal LLCMerced, CA2 GWhMar 2014Dec 2024 Solar
Genentech-Oceanside HybridTesla Inc.Oceanside, CA4 GWhMar 2016Dec 2024 Solar
Santa Rita Jail Fuel CellSRJFC, LLCDublin, CA9 GWhNov 2016Dec 2024 Natural Gas
Zero Waste Energy Development Co LLCZero Waste Energy Development Company LLCSan Jose, CA2 GWhJan 2015Dec 2024 Other Biomass Gas
French MeadowsPlacer County Water Agency - (CA)Foresthill, CA51 GWhSep 1966Dec 2024 Water
Combie SouthNevada Irrigation DistrictAuburn, CA4 GWhMar 1984Dec 2024 Water
SCCCD - Clovis Community CollegeForefront Power, LLCFresno, CA2 GWhNov 2018Dec 2024 Solar
Cabrillo CollegeForefront Power, LLCAptos, CA4 GWhNov 2023Dec 2024 Solar
Grossmont-Cuyamaca-Cuyamaca Col. Solar &Forefront Power, LLCEl Cajon, CA3 GWhFeb 2024Dec 2024 Solar
B Braun MedicalB Braun Medical IncIrvine, CA29 GWhOct 1982Mar 2025 Natural Gas
Frontier HS Solar ProjectMN8 Energy LLCBakersfield, CA2 GWhNov 2018Mar 2025 Solar
CoronaMetropolitan Water District of S CACorona, CA13 GWhJul 1983Apr 2025 Water
San Gabriel Hydro ProjectLos Angeles County-San GabrielAzusa, CA2 GWhNov 1987Apr 2025 Water
Irwindale Brew Yard, LLCIrwindale Brew Yard, LLCIrwindale, CA517 MWhJan 2002Apr 2025 Solar : 99.8%
TemescalMetropolitan Water District of S CACorona, CA14 GWhJun 1983Apr 2025 Water
Bishop Ranch - BR 15-DDAlcosta Boulevard BR 15-DD Solar Project 2020, LLCSan Ramon, CA62 MWhFeb 2025May 2025 Solar
Walnut Unified School District Walnut HSTesla Inc.Walnut, CA327 MWhJan 2020Jun 2025 Solar
Edom Hills Project 1 LLCEdom Hills Project 1 LLCCathedral City, CA5 GWhAug 2008Jun 2025 Wind
Site 980 65Madera-Chowchilla Power AuthMadera, CA2 GWhJan 1985Jun 2025 Water
HaypressEIF Haypress LLCSierra City, CA17 GWhNov 1988Jun 2025 Water
ParkerMerced Irrigation DistrictSnelling, CA6 GWhMar 1982Jun 2025 Water
EtiwandaMetropolitan Water District of S CARancho Cucamonga, CA1 GWhNov 1994Jul 2025 Water
Indian Valley Dam Hydro ProjectYolo County Flood Control WCDClearlake Oaks, CA11 GWhSep 1983Aug 2025 Water
Medline Ind. Phase 2 TracyPowerflexTracy, CA2 GWhMar 2018Aug 2025 Solar
Fresno SolarWellhead Services, IncSan Joaquin, CA5 GWhSep 2015Aug 2025 Solar
Tulare Success Power ProjectLower Tule River Irrgtn DistPorterville, CA1 GWhNov 1989Aug 2025 Water
Bear ValleyCity of Escondido - (CA)Escondido, CA3 GWhMay 1986Aug 2025 Water
San DimasMetropolitan Water District of S CASan Dimas, CA10 GWhMay 1981Sep 2025 Water
Merced FallsMerced Irrigation DistrictSnelling, CA9 GWhJun 1930Sep 2025 Water
Lemoore 1AES Distributed EnergyLemoore, CA1 GWhJan 2016Sep 2025 Solar
Corcoran Irrigation DistrictMadison Energy Investments LLCCorcoran, CA4 GWhAug 2019Sep 2025 Solar

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#25Arizona Public Service Company25.2 TWh100
#54Arlington Valley, LLC3.2 TWh1
#38Balancing Authority of Northern California13.7 TWh90
#49Imperial Irrigation District6.2 TWh66
#29Los Angeles Department of Water and Power18.8 TWh131
#22Nevada Power Company36.8 TWh143
#51PUD No. 1 of Douglas County4.4 TWh4
#19Salt River Project Agricultural Improvement and Power District60.3 TWh49
#57Turlock Irrigation District1.9 TWh11
#40Western Area Power Administration - Desert Southwest Region10.4 TWh34

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.494.1 TWh1,471
#5Southwest Power Pool306.8 TWh856
#6Southern Company Services, Inc. - Trans253.5 TWh422
#7California Independent System Operator169.4 TWh2,135
#9Tennessee Valley Authority163.4 TWh207
#10Florida Power & Light Co.152.2 TWh187
#12New York Independent System Operator134.3 TWh1,299
#13Duke Energy Carolinas112.6 TWh577
#15ISO New England111.1 TWh1,629
#16Bonneville Power Administration91.6 TWh167