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 101 to 200 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Alta PowerhousePacific Gas & Electric Co.Alta, CA1 GWhOct 1902Dec 2024 Water
Stage Gulch SolarStage Gulch Solar, LLCPetaluma, CA1 GWhMar 2018Dec 2024 Solar
Clovis North High SchoolTesla Inc.Fresno, CA1 GWhNov 2017Dec 2024 Solar
Clovis East High SchoolTesla Inc.Clovis, CA1 GWhMar 2018Dec 2024 Solar
Energy CenterUniversity of RedlandsRedlands, CA1 GWhJan 2007Dec 2024 Natural Gas
2127 Harris Solar ProjectSolarenewal LLCLive Oak, CA1 GWhMar 2014Dec 2024 Solar
SunE- E Philadelphia OntarioSunEdison LLCOntario, CA2 GWhFeb 2016Dec 2024 Solar
Oltmans SCE at ChampagneCalifornia PV Energy LLCOntario, CA2 GWhNov 2013Dec 2024 Solar
NunnCD US Solar MT 2 LLCApple Valley, CA2 GWhJun 2013Dec 2024 Solar
Bishop Ranch BR 1-XBollinger Canyon Road BR 1-X Solar Project 2020San Ramon, CA2 GWhFeb 2022Dec 2024 Solar
Dos PalosGreenbacker Renewable Energy CorporationDos Palos, CA2 GWhOct 2021Dec 2024 Solar
Grassland 1&2 Solar ProjectYolo County ofDavis, CA2 GWhJun 2013Jun 2024 Solar
CSUF State CollegeMN8 Energy LLCFullerton, CA2 GWhNov 2016Dec 2024 Solar
Tahquitz High SchoolAES Distributed EnergyHemet, CA2 GWhAug 2012Dec 2024 Solar
Alticor Inc - Solar ProjectMN8 Energy LLCBuena Park, CA2 GWhNov 2017Dec 2024 Solar
AltaGas Ripon Energy Inc.AltaGas Ripon Energy Inc.Ripon, CA2 GWhMar 1988Sep 2025 Natural Gas
Manteca Land PVAES Distributed EnergyManteca, CA2 GWhNov 2017Dec 2024 Solar
Tulare Akers Professional CenterSoCore Energy LLCVisalia, CA2 GWhOct 2019Dec 2024 Solar
2097 Helton Solar ProjectSolarenewal LLCMerced, CA2 GWhMar 2014Dec 2024 Solar
Foundation Cemex MadisonFoundation CA Fund V Manager, LLCMadison, CA2 GWhJul 2012Dec 2024 Wind
Pacific Ethanol Madera Solar ArraySeaboard Energy California, LLCMadera, CA2 GWhJul 2018Dec 2024 Solar
SCE-Snowline-Duncan Road (South)SunEdison LLCPhelan, CA2 GWhSep 2014Dec 2024 Solar
Kettering Solar 1Tesla Inc.Lancaster, CA2 GWhMay 2014Dec 2024 Solar
SDCCD - MiramarCleanCapital HoldingsSan Diego, CA2 GWhJan 2011Dec 2024 Solar
SunEdison Procter & Gamble OxnardSunE U6 Holdings LLCOxnard, CA2 GWhSep 2009Dec 2024 Solar
Las Virgenes Municipal Water DistrictTesla Inc.Calabasas, CA2 GWhJan 2014Dec 2024 Solar
Gridley MainAltus Power America Management, LLCGridley, CA2 GWhFeb 2013Dec 2024 Solar
Tulare Success Power ProjectLower Tule River Irrgtn DistPorterville, CA2 GWhNov 1989Sep 2024 Water
Hollister Wastewater FacilityPerpetual Energy SystemsHollister, CA2 GWhOct 2011Dec 2024 Solar
Catalina ExpressAltus Power America Management, LLCSan Pedro, CA2 GWhNov 2020Dec 2024 Solar
CorcoranTerraform ArcadiaCorcoran, CA2 GWhDec 2013Dec 2024 Solar
Castle Rock VineyardsCastle Rock CoolingDelano, CA2 GWhAug 2010Dec 2024 Solar
Lindberg Field Solar 2Lindberg Field Solar 2, LLCSan Diego, CA2 GWhJan 2017Dec 2024 Solar
Stanton Energy Reliability Center HybridWellhead Services, IncStanton, CA2 GWhJun 2020Sep 2025 Natural Gas
Lavio SolarLavio Solar, LLCPetaluma, CA2 GWhMar 2018Dec 2024 Solar
Kroger La HabraRalph's Grocery CompanyLa Habra, CA2 GWhMar 2020Dec 2024 Solar
North Bay Solar 1AES Distributed EnergyFairfield, CA2 GWhJul 2013Dec 2024 Solar
San Antonio West Solar RooftopSS San Antonio West LLCChino, CA2 GWhJul 2012Dec 2024 Solar
Government Plaza SolarSoCore Energy LLCVisalia, CA2 GWhOct 2020Dec 2024 Solar
Bishop Ranch - BR 1-YDistributed Solar Development, LLCSan Ramon, CA2 GWhFeb 2022Dec 2024 Solar
West Village Solar - Array 2 Community SCHF-Davis I, LLCDavis, CA2 GWhApr 2022Dec 2023 Solar
Marina SouthAltus Power America Management, LLCSan Pedro, CA2 GWhNov 2020Dec 2024 Solar
Chula Vista Energy CenterWellhead Services, IncChula Vista, CA2 GWhApr 2001Nov 2024 Natural Gas
West Village Solar - Array 1Community SoCHF-Davis I, LLCDavis, CA2 GWhApr 2022Dec 2023 Solar
Grossmont HS Solar ProjectMN8 Energy LLCEl Cajon, CA2 GWhNov 2018Dec 2024 Solar
Cottonwood Solar, LLC Cottonwood CarportOnward EnergyNovato, CA2 GWhApr 2016Dec 2024 Solar
Zero Waste Energy Development Co LLCZero Waste Energy Development Company LLCSan Jose, CA2 GWhJan 2015Dec 2024 Other Biomass Gas
Summer Solar D2AES Distributed EnergyLancaster, CA2 GWhJun 2014Dec 2024 Solar
Santa Rosa Junior College Petaluma SolarSonoma County Junior College DistrictPetaluma, CA2 GWhJun 2018Dec 2023 Solar
RE-VFO LLCRE-VFO LLCVisalia, CA2 GWhApr 2009Dec 2024 Solar
Sutter Home Winery GIRWestbound Solar 3, LLCAmerican Canyon, CA2 GWhJul 2023Dec 2024 Solar
2081 Terzian Solar ProjectSolarenewal LLCReedley, CA2 GWhJan 2014Dec 2024 Solar
Foundation Wal-Mart Red BluffFoundation CA Fund VI Manager LLCRed Bluff, CA2 GWhAug 2012Sep 2025 Wind
Lake Elsinore Canopies - Lakeside HSStandard SolarLake Elsinore, CA2 GWhFeb 2022Dec 2024 Solar
SeaWorld AquaticaOnyx Asset Services GroupChula Vista, CA2 GWhApr 2018Dec 2024 Solar
Guadalupe Solar FarmCounty of Santa Clara (CA)San Jose, CA2 GWhAug 2018Dec 2024 Solar
Temescal Canyon RV, LLCTemescal Canyon RV, LLCCorona, CA2 GWhApr 2011Dec 2024 Solar
Open Sky Ranch IncBravo REC Management LLCRiverdale, CA2 GWhJun 2024Dec 2024 Solar
Firebaugh-CCS-PV-1Mike Woolf FarmingFirebaugh, CA2 GWhFeb 2015Dec 2024 Solar
Oakley Solar ProjectOakley Solar Project LLCOakley, CA2 GWhMay 2013Dec 2024 Solar
CSD 2 - Heritage HighCleanCapital HoldingsBrentwood, CA2 GWhAug 2013Dec 2024 Solar
Kettering Solar 2Tesla Inc.Lancaster, CA2 GWhMay 2014Dec 2024 Solar
Teichert Materials-Teichert VernalisFoundation HA Energy Generation, LLCSan Joaquin, CA2 GWhSep 2010Dec 2024 Wind
Mira LomaCostco WholesaleMira Loma, CA2 GWhOct 2011Dec 2024 Solar
Gilead Foster City Solar ProjectGilead Sciences Inc. Foster CityFoster City, CA2 GWhMar 2021Dec 2024 Solar
North Juvenile Detention Center SolarSoCore Energy LLCVisalia, CA2 GWhOct 2019Dec 2024 Solar
California PV Energy at ISD WWTPCalifornia PV Energy LLCOakley, CA2 GWhJul 2014Dec 2024 Solar
Medline Ind. Phase 2 TracyPowerflexTracy, CA2 GWhMar 2018Dec 2024 Solar
Building GGolden Springs Development Company LLCSanta Fe Springs, CA2 GWhAug 2016Dec 2024 Solar
Solar Star Palo Alto I, LLCDG 1 Acquisition Co., LLCPalo Alto, CA2 GWhJul 2019Dec 2024 Solar
HeliocentricHeliocentric LLCPalmdale, CA2 GWhFeb 2012Dec 2024 Solar
SCCCD - Clovis Community CollegeForefront Power, LLCFresno, CA2 GWhNov 2018Dec 2024 Solar
Palo Verde CollegeScale Sustainable I, LLCBlythe, CA2 GWhJul 2009Dec 2024 Solar
Fresno Hoover High School HybridForefront Power, LLCFresno, CA2 GWhFeb 2020Dec 2024 Solar
PFMG Solar Grossmont Helix LLCAltus Power America Management, LLCLa Mesa, CA2 GWhApr 2018Dec 2024 Solar
Bakersfield Industrial PV 1AES Distributed EnergyBakersfield, CA2 GWhNov 2017Dec 2024 Solar
Univ of California San Diego SolarUniversity of California San DiegoLa Jolla, CA2 GWhNov 2008Dec 2024 Solar
Berry Placerita CogenShadow Wolf EnergySanta Clarita, CA2 GWhFeb 1990Sep 2025 Natural Gas
IGS OXR1Greenbacker Renewable Energy CorporationOxnard, CA2 GWhJul 2024Dec 2024 Solar
Ameresco Chiquita CanyonAMERESCO Chiquita Canyon LLCCastaic, CA2 GWhOct 2010Dec 2024 Landfill Gas
Foundation ABFoundation HA Energy Generation, LLCFairfield, CA2 GWhOct 2011Dec 2024 Wind
Terra FrancescoAltus Power America Management, LLCOntario, CA2 GWhFeb 2015Dec 2024 Solar
Open Sky DairyRenewable Solar, IncRiverdale, CA2 GWhJun 2024Dec 2024 Solar
Cloverdale Solar CenterAdapture Renewables, Inc.Cloverdale, CA2 GWhApr 2019Dec 2024 Solar
Fresno Bullard High School HybridForefront Power, LLCFresno, CA2 GWhFeb 2020Dec 2024 Solar
Robert O Schulz Solar FarmSouth San Joaquin Irr DistrictOakdale, CA2 GWhApr 2008Dec 2024 Solar
CSU San Jose State UniversitySkyHigh 2 SolarSan Jose, CA2 GWhNov 2021Dec 2024 Solar
Donaghy-StocktonDonaghy Sales Inc.Stockton, CA2 GWhSep 2021Dec 2024 Solar
Diamond Valley Solar ProjectEcos Energy LLCWinchester, CA2 GWhDec 2014Dec 2024 Solar
Foundation STFoundation HA Energy Generation, LLCTracy, CA2 GWhMay 2011Dec 2024 Wind
CA Institute for WomenEcoplexus, IncChino, CA2 GWhJan 2020Dec 2024 Solar
E&B ResourcesTerraform ArcadiaBakersfield, CA2 GWhNov 2013Dec 2024 Solar
Cloverdale Solar IAltus Power America Management, LLCCloverdale, CA2 GWhMay 2014Dec 2024 Solar
Case Vander Eyk, Jr Dairy SolarBravo REC Management LLCPixley, CA2 GWhSep 2023Dec 2024 Solar
Broadway 2 - UC RiversideMN8 Energy LLCRiverside, CA2 GWhAug 2014Dec 2024 Solar
Fremont - Kato RdTesla Inc.Fremont, CA2 GWhNov 2016Dec 2024 Solar
CDCR (CA) - Solano State PrisonSunE Solano SP Owner, LLCVacaville, CA2 GWhNov 2013Dec 2024 Solar
Lafayette 2 - MLK Jr. Hospital (MLK)MN8 Energy LLCLos Angeles, CA2 GWhJul 2020Dec 2024 Solar
Nickel 1 Solar FacilityAltus Power America Management, LLCLost Hills, CA2 GWhOct 2012Dec 2024 Solar
Building FGolden Springs Development Company LLCSanta Fe Springs, CA2 GWhOct 2016Dec 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