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 201 to 300 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Laguna Water Reclamation FacilityCity of Santa RosaSanta Rosa, CA11 GWhFeb 2013Dec 2024 Other Biomass Gas : 85.8% Natural Gas : 14.2%
Keysight - Santa RosaBloom EnergySanta Rosa, CA13 GWhAug 2018Dec 2024 Natural Gas
Sutter Santa Rosa SolarSutter Santa Rosa Solar LLCSanta Rosa, CA2 GWhAug 2019Dec 2024 Solar
Topaz Solar FarmTopaz Solar Farms LLCSanta Margarita, CA1 TWhMar 2013Sep 2025 Solar
Santa Fe Springs Rooftop Solar BLDG MGolden Springs Development Company LLCSanta Fe Springs, CA2 GWhFeb 2015Dec 2024 Solar
Santa Fe Springs Rooftop Solar BLDG HGolden Springs Development Company LLCSanta Fe Springs, CA2 GWhFeb 2015Dec 2024 Solar
Golden Springs Building C-1Golden Springs Development Company LLCSanta Fe Springs, CA1 GWhJan 2012Dec 2024 Solar
Golden Springs Building DGolden Springs Development Company LLCSanta Fe Springs, CA651 MWhFeb 2012Dec 2024 Solar
Freeway SpringsGolden Springs Development Company LLCSanta Fe Springs, CA3 GWhSep 2016Dec 2024 Solar
Buidling LGolden Springs Development Company LLCSanta Fe Springs, CA2 GWhOct 2016Dec 2024 Solar
Building GGolden Springs Development Company LLCSanta Fe Springs, CA2 GWhAug 2016Dec 2024 Solar
Building FGolden Springs Development Company LLCSanta Fe Springs, CA2 GWhOct 2016Dec 2024 Solar
Santa Cruz EnergySanta Cruz Energy LLCSanta Cruz, CA5 GWhOct 2009Dec 2024 Landfill Gas
University of California Santa CruzUniversity of California Santa CruzSanta Cruz, CA35 GWhAug 2013Dec 2024 Natural Gas : 91.7% Solar : 8.3%
Berry Placerita CogenShadow Wolf EnergySanta Clarita, CA2 GWhFeb 1990Sep 2025 Natural Gas
SC 1 Data Center, Phase 2Xeres Ventures LLCSanta Clara, CA2 GWhAug 2011Sep 2025 Distillate Fuel Oil
GianeraCity of Santa Clara - (CA)Santa Clara, CA6 GWhMay 1986Dec 2024 Natural Gas
Santa Clara CogenCity of Santa Clara - (CA)Santa Clara, CA15 GWhMay 1982Dec 2023 Natural Gas
Donald Von Raesfeld Power PlantCity of Santa Clara - (CA)Santa Clara, CA741 GWhFeb 2005Sep 2025 Natural Gas
EQX011 Duane Fuel Cell2016 ESA Project Company, LLCSanta Clara, CA23 GWhAug 2018Dec 2024 Natural Gas
Intel Santa ClaraBloom EnergySanta Clara, CA8 GWhDec 2014Dec 2024 Natural Gas
Mission College Blvd. Fuel Cell2016 ESA Project Company, LLCSanta Clara, CA40 GWhNov 2017Dec 2024 Natural Gas
SCU000 El Camino Real Fuel Cell2016 ESA Project Company, LLCSanta Clara, CA12 GWhNov 2018Dec 2024 Natural Gas
SCV Water - Gladbach Water Treatment Plant Phases I and IISCV WaterSanta Clara, CA5 GWhNov 2014Dec 2024 Solar
AGT000 Stevens Creek Fuel Cell2016 ESA Project Company, LLCSanta Clara, CA8 GWhAug 2018Dec 2024 Natural Gas
Broadway 3 - UCSB Lot 38MN8 Energy LLCSanta Barbara, CA3 GWhNov 2016Dec 2024 Solar
Kings River SyphonOrange Cove Irrigation DistrictSanger, CA325 MWhAug 1990May 2024 Water
Algonquin Power Sanger LLCAlgonquin Power Sanger LLCSanger, CA5 GWhNov 2007Sep 2025 Natural Gas
Bishop Ranch BR 1-XBollinger Canyon Road BR 1-X Solar Project 2020San Ramon, CA2 GWhFeb 2022Dec 2024 Solar
Bishop Ranch - BR 1-YDistributed Solar Development, LLCSan Ramon, CA2 GWhFeb 2022Dec 2024 Solar
Marina SouthAltus Power America Management, LLCSan Pedro, CA2 GWhNov 2020Dec 2024 Solar
Catalina ExpressAltus Power America Management, LLCSan Pedro, CA2 GWhNov 2020Dec 2024 Solar
Franklin Templeton San MateoBloom EnergySan Mateo, CA9 GWhOct 2011Dec 2024 Natural Gas
SDCWA - Twin OaksCleanCapital HoldingsSan Marcos, CA1 GWhApr 2011Dec 2024 Solar
Vallecitos Water DistrictSSA Solar of CA 5, LLCSan Marcos, CA3 GWhAug 2021Dec 2024 Solar
Stenner Creek SolarStenner Creek Solar LLCSan Luis Obispo, CA9 GWhApr 2018Dec 2024 Solar
CA-DGS-California Men's ColonyForefront Power, LLCSan Luis Obispo, CA5 GWhApr 2023Dec 2024 Solar
Camp San Luis ObispoEcoplexus, IncSan Luis Obispo, CA158 MWhJul 2024Nov 2024 Solar
Cold Canyon 1Toro Energy of California SLOSan Luis Obispo, CA4 GWhJun 2013Dec 2024 Landfill Gas
Preferred Freezer San LeandroPowerflexSan Leandro, CA3 GWhJun 2017Dec 2023 Solar
KSR028 Merced Fuel Cell2016 ESA Project Company, LLCSan Leandro, CA16 GWhMar 2018Dec 2024 Natural Gas
Beckton Dickenson - San JoseBloom EnergySan Jose, CA5 GWhJun 2016Jul 2024 Natural Gas
EQX010 Great Oaks Fuel Cell2016 ESA Project Company, LLCSan Jose, CA20 GWhAug 2019Dec 2024 Natural Gas
Extreme Via Del OroBloom EnergySan Jose, CA8 GWhFeb 2019Mar 2024 Natural Gas
Extreme San IgnacioBloom EnergySan Jose, CA6 GWhApr 2019Jun 2024 Natural Gas
Micro Santa ClaraBloom EnergySan Jose, CA9 GWhJun 2018Dec 2024 Natural Gas
MaximBloom EnergySan Jose, CA6 GWhJul 2014Dec 2024 Natural Gas
EQX015 Great Oaks Fuel Cell2016 ESA Project Company, LLCSan Jose, CA31 GWhDec 2017Dec 2024 Natural Gas
Equinix Great Oaks Blvd. Fuel Cell2016 ESA Project Company, LLCSan Jose, CA31 GWhNov 2017Dec 2024 Natural Gas
SCC - San JoseBloom EnergySan Jose, CA8 GWhFeb 2014Dec 2024 Natural Gas
Hellyer Solar FarmCounty of Santa Clara (CA)San Jose, CA4 GWhJul 2017Dec 2023 Solar
Equinix Lundy Ave. Fuel Cell2016 ESA Project Company, LLCSan Jose, CA26 GWhAug 2017Dec 2024 Natural Gas
Equinix San JoseBloom EnergySan Jose, CA16 GWhOct 2015Dec 2024 Natural Gas
Guadalupe Solar FarmCounty of Santa Clara (CA)San Jose, CA2 GWhAug 2018Dec 2024 Solar
Malech Solar FarmCounty of Santa Clara (CA)San Jose, CA5 GWhSep 2017Dec 2024 Solar
AT&T HolgerBloom EnergySan Jose, CA1 GWhMay 2016Dec 2024 Natural Gas
CSU San Jose State UniversitySkyHigh 2 SolarSan Jose, CA2 GWhNov 2021Dec 2024 Solar
Zero Waste Energy Development Co LLCZero Waste Energy Development Company LLCSan Jose, CA2 GWhJan 2015Dec 2024 Other Biomass Gas
Xilinx San JoseBloom EnergySan Jose, CA8 GWhJan 2012Dec 2024 Natural Gas
Agnews Power PlantOLS Energy-Agnews Inc.San Jose, CA10 GWhOct 1990Dec 2024 Natural Gas
Metcalf Energy CenterCalpine Corp - Metcalf Energy CenterSan Jose, CA3 TWhMay 2005Sep 2025 Natural Gas
Los Esteros Critical Energy CenterLos Esteros Critical Energy Facility LLCSan Jose, CA170 GWhJan 2003Sep 2025 Natural Gas
Kellogg's - San JoseBloom EnergySan Jose, CA7 GWhAug 2013Dec 2024 Natural Gas
San Jose CogenerationSan Jose State University Fclts Dev &OpsSan Jose, CA34 GWhNov 1984Sep 2025 Natural Gas
SJ/SC WPCPSan Jose/Santa Clara Water P CSan Jose, CA84 GWhJan 1953Sep 2025 Natural Gas : 51.6% Other Biomass Gas : 48.3%
Teichert Materials-Teichert VernalisFoundation HA Energy Generation, LLCSan Joaquin, CA2 GWhSep 2010Dec 2024 Wind
Fresno Cogen PartnersWellhead Services, IncSan Joaquin, CA2 GWhDec 1989Dec 2024 Natural Gas
Fresno SolarWellhead Services, IncSan Joaquin, CA5 GWhSep 2015Dec 2024 Solar
Crystal Farms Local SolarCrystal Farms Local Solar, LLCSan Joaquin, CA10 GWhOct 2023Dec 2024 Solar
EMWD - San Jacinto RWRF NEMSkyHigh 2 SolarSan Jacinto, CA10 GWhJun 2021Dec 2024 Solar
Soboba Community Solar ProjectSoboba Band of Luiseno IndiansSan Jacinto, CA3 GWhJul 2016Dec 2024 Solar
EMWD - San Jacinto RES BCTSkyHigh 2 SolarSan Jacinto, CA3 GWhApr 2022Dec 2024 Solar
Univ of San Francisco CogenUniversity of San FranciscoSan Francisco, CA5 GWhAug 1987Dec 2024 Natural Gas
Parnassus Central Utility PlantUniversity of California-San FranciscoSan Francisco, CA68 GWhDec 1995Sep 2025 Natural Gas
Sunset Reservoir North BasinDuke Energy Renewables ServicesSan Francisco, CA6 GWhAug 2010Dec 2024 Solar
SF Southeast Cogen PlantCity & County of San FranciscoSan Francisco, CA4 GWhMay 2002Dec 2024 Other Biomass Gas
Transamerica PyramidTransamerica Pyramid Properties LLCSan Francisco, CA525 MWhJun 2007Dec 2023 Natural Gas
One Market PlazaParamount Group IncSan Francisco, CA177 MWhNov 2003Dec 2024 Natural Gas
San Dimas Wash Generating StationSan Gabriel Valley Mun Wtr DtSan Dimas, CA5 GWhFeb 1986Jun 2024 Water
Naval Hospital Medical CenterDepartment of the NavySan Diego, CA16 GWhNov 2003Sep 2025 Natural Gas
Kyocera International Inc.(San Diego)Kyocera International, IncSan Diego, CA9 GWhAug 2012Dec 2024 Natural Gas
Pio Pico Energy CenterPio Pico Energy Center LLCSan Diego, CA66 GWhOct 2016Dec 2024 Natural Gas
MM San Diego-MiramarMM San Diego Energy-MiramarSan Diego, CA46 GWhJun 1997Dec 2024 Landfill Gas : 91.9% Other Biomass Gas : 8.1%
Miramar Energy FacilitySan Diego Gas & Electric CoSan Diego, CA8 GWhMay 2005Sep 2025 Natural Gas
Watkins Manufacturing Co.Watkins Manufacturing CorporationSan Diego, CA7 GWhOct 2001Sep 2025 Natural Gas
CP Kelco San Diego PlantCP Kelco US Inc.San Diego, CA71 GWhSep 1983Sep 2025 Natural Gas
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA2 TWhSep 2009Sep 2025 Natural Gas
Gas Utilization FacilityCity of San DiegoSan Diego, CA31 GWhMay 1985Sep 2025 Other Biomass Gas
San Diego State UniversitySan Diego State UniversitySan Diego, CA52 GWhAug 2002Sep 2025 Natural Gas : 97.6% Solar : 2.4%
Border Hybrid Energy CenterCalPeak Power, LLCSan Diego, CA15 GWhOct 2001Dec 2024 Natural Gas
Childrens HospitalDTE San Diego COGEN Inc.San Diego, CA25 GWhMar 2000Sep 2025 Natural Gas
SDCCD - MiramarCleanCapital HoldingsSan Diego, CA2 GWhJan 2011Dec 2024 Solar
Larkspur Energy FacilityDiamond Generating CorporationSan Diego, CA24 GWhJun 2001Dec 2024 Natural Gas
ISH Solar Hospital SDMCSunEdison LLCSan Diego, CA1 GWhNov 2011Dec 2024 Solar
County of San Diego COC HybridSolar Star California LXXVIII, LLCSan Diego, CA3 GWhJun 2020Dec 2024 Solar
AT&T - San Diego Trade StreetBloom EnergySan Diego, CA6 GWhFeb 2016Dec 2024 Natural Gas
San Diego - EMDF at San DiegoCalifornia PV Energy 3, LLCSan Diego, CA5 GWhMar 2021Dec 2024 Solar
P PlantQualcomm IncorporatedSan Diego, CA30 GWhFeb 2007Jul 2024 Natural Gas
Kilroy SolarNautilus Solar SolutionsSan Diego, CA6 GWhDec 2017Dec 2024 Solar
Q PlantQualcomm IncorporatedSan Diego, CA66 MWhJun 2013Dec 2024 Natural Gas

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