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 Oct 2025
Annual Generation 188.7 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% Solar | 26.2% Water | 10.9% Wind | 10.9% Nuclear | 9.8%

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Daily Net Generation for California Independent System Operator for the past 3 Years

1M1M800k800k600k600k400k400k200k200k0020232023Jul '23Jul '2320242024Jul '24Jul '2420252025Jul '25Jul '25
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List of All California Independent System Operator Power Plants

Displaying Results 501 to 600 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
IGS KSBDGreenbacker Renewable Energy CorporationHighland, CA9 GWhFeb 2022Dec 2024 Solar
Lockhart ESS, LLCTerra-Gen Operating Co-SolarHinkley, CA27 GWhJun 2024Jul 2025 Electricity used for energy storage
Lockhart Solar PV IITerra-Gen Operating Co-SolarHinkley, CA206 GWhJun 2023Jul 2025 Solar
Mojave Solar ProjectMojave Solar LLCHinkley, CA597 GWhNov 2014Jul 2025 Solar
SEGS IXTerra-Gen Operating Co-SolarHinkley, CA112 GWhAug 1990Sep 2024 Solar
Lockhart Solar PV, LLCTerra-Gen Operating Co-SolarHinkley, CA243 GWhNov 1989Jul 2025 Solar
Enerparc CA1 LLCEnerparc CA 1, LLCHollister, CA2 GWhMay 2014Dec 2023 Solar
Hollister Solar LLCEcos Energy LLCHollister, CA4 GWhNov 2014Dec 2024 Solar
Hollister Wastewater FacilityPerpetual Energy SystemsHollister, CA2 GWhOct 2011Dec 2024 Solar
AES Huntington Beach Energy ProjectAES Huntington Beach Energy, LLCHuntington Beach, CA2 TWhJan 2020Jul 2025 Natural Gas
AES Huntington Beach LLCAES Huntington Beach LLCHuntington Beach, CA6 GWhMay 1958Jul 2025 Natural Gas
Plant No 2 Orange CountyOrange County Sanitation DistHuntington Beach, CA59 GWhMay 1993Dec 2024 Other Biomass Gas : 73.7% Natural Gas : 26.0%
Huron Solar StationPacific Gas & Electric Co.Huron, CA29 GWhMay 2012Dec 2024 Solar
Westlands Solar PV FarmBoralex US Operations LLCHuron, CA34 GWhJan 2014Dec 2024 Solar
West Gates Solar StationPacific Gas & Electric Co.Huron, CA19 GWhApr 2013Dec 2024 Solar
Gates Solar StationPacific Gas & Electric Co.Huron, CA32 GWhMay 2013Dec 2024 Solar
Fifth Standard Solar PV, LLC (Hybrid)Big Sky Wind, LLCHuron, CA296 GWhAug 2023Jul 2025 Solar
Big Creek Water WorksBig Creek Water Works LtdHyampom, CA11 GWhDec 1986May 2025 Water
Walnut Creek Energy ParkWalnut Creek LLCIndustry, CA111 GWhMar 2013Jul 2025 Natural Gas
Industry MetroLink PV 1City of IndustryIndustry, CA1 GWhMar 2012Dec 2024 Solar
Coso Energy DevelopersCoso Operating Co LLCInyokern, CA244 GWhNov 1988Dec 2024 Geothermal
Coso Power DevelopersCoso Operating Co LLCInyokern, CA298 GWhOct 1989Jul 2025 Geothermal
Coso Finance PartnersCoso Operating Co LLCInyokern, CA376 GWhJun 1987Jul 2025 Geothermal
B Braun MedicalB Braun Medical IncIrvine, CA33 GWhOct 1982Dec 2024 Natural Gas
Bowerman Power LFG, LLCBowerman Power LFG, LLCIrvine, CA154 GWhMar 2016Dec 2024 Landfill Gas
UCI Facilities Management Central PlantUniversity of California IrvineIrvine, CA112 GWhJun 2007Jul 2025 Natural Gas
ATT KelvinBloom EnergyIrvine, CA8 GWhMar 2017Dec 2024 Natural Gas
Irwindale Brew Yard, LLCIrwindale Brew Yard, LLCIrwindale, CA714 MWhJan 2002Apr 2025 Solar : 99.9%
ElectraPacific Gas & Electric Co.Jackson, CA227 GWhMay 1948Jul 2025 Water
Jacumba Solar FarmInvenergy Services LLCJacumba, CA48 GWhJun 2017Dec 2024 Solar
Pacific-Ultrapower Chinese StationIHI Power Services CorpJamestown, CA143 GWhSep 1986Jul 2025 Wood/Wood Waste Solids : 99.5%
TullochOakdale&South San Joaquin Irrigation D.Jamestown, CA104 GWhMay 1958Dec 2024 Water
Sonora 1Greenbacker Renewable Energy CorporationJamestown, CA621 MWhNov 2013Dec 2024 Solar
Cascade SolarCascade Solar LLCJoshua Tree, CA51 GWhDec 2013Dec 2024 Solar
Rush CreekSouthern California Edison CoJune lake, CA43 GWhSep 1916Dec 2024 Water
CA Jurupa Valley 3251 De Forest CircleCatalyze Mira Loma 3251 De Forest Circle Microgrid LLCJurupa Valley, CA5 GWhMar 2024Dec 2024 Solar
DullesGolden Springs Development Company LLCJurupa Valley, CA2 GWhAug 2016Dec 2024 Solar
Kern River 3Southern California Edison CoKernville, CA143 GWhFeb 1921Dec 2024 Water
Kettleman Solar -CentaurusBoralex US Operations LLCKettleman City, CA41 GWhJun 2015Dec 2024 Solar
King City PeakingCalpine Corp-King CityKing City, CA12 GWhMar 2002Dec 2024 Natural Gas
King City Power PlantCalpine King City Cogen LLCKing City, CA33 GWhJan 1989Jul 2025 Natural Gas
Blackjack SolarSouth County PackingKing City, CA9 GWhNov 2020Dec 2024 Solar
Kingsburg CogenKES Kingsburg LPKingsburg, CA11 GWhNov 1990Nov 2024 Natural Gas
Kingsburg SolarAltus Power America Management, LLCKingsburg, CA6 GWhNov 2013Dec 2024 Solar
Kroger La HabraRalph's Grocery CompanyLa Habra, CA2 GWhMar 2020Dec 2024 Solar
Univ of California San Diego SolarUniversity of California San DiegoLa Jolla, CA2 GWhNov 2008Dec 2024 Solar
University of California San Diego HybriUniversity of California San DiegoLa Jolla, CA203 GWhJun 2001Jul 2025 Natural Gas
Grossmont HospitalSharp Grossmont HospitalLa Mesa, CA25 GWhJul 1983Dec 2024 Natural Gas
PFMG Solar Grossmont Helix LLCAltus Power America Management, LLCLa Mesa, CA2 GWhApr 2018Dec 2024 Solar
Staples La Mirada, CASunE WF3-ST Holdings, LLCLa Mirada, CA871 MWhFeb 2009Dec 2024 Solar
Biola University HybridBiola UniversityLa Mirada, CA12 GWhMar 1990Jul 2025 Natural Gas
Gilead Sciences La Verne Rooftop SolarGilead Sciences, Inc. - La VerneLa Verne, CA3 GWhJun 2021Dec 2024 Solar
Weymouth Solar PlantMetropolitan Water District of S CALa Verne, CA5 GWhMay 2016Dec 2024 Solar
Lake Elsinore Canopies - Lakeside HSStandard SolarLake Elsinore, CA2 GWhFeb 2022Dec 2024 Solar
Isabella Hydro ProjectIsabella PartnersLake Isabella, CA43 GWhNov 1990Dec 2024 Water
MM Lopez EnergyMM Lopez Energy LLCLake View Terrace, CA25 GWhNov 1998Dec 2024 Landfill Gas
PortalSouthern California Edison CoLakeshore, CA19 GWhNov 1956Dec 2024 Water
Rodeo Solar C2AES Distributed EnergyLancaster, CA3 GWhApr 2014Dec 2024 Solar
Division 2Tesla Inc.Lancaster, CA541 MWhMay 2014Dec 2024 Solar
Rodeo Solar D2AES Distributed EnergyLancaster, CA3 GWhApr 2014Dec 2024 Solar
Summer Solar A2AES Distributed EnergyLancaster, CA3 GWhMay 2014Dec 2024 Solar
Division 3Tesla Inc.Lancaster, CA458 MWhMay 2014Dec 2024 Solar
Summer Solar B2AES Distributed EnergyLancaster, CA3 GWhMay 2014Dec 2024 Solar
Summer Solar C2AES Distributed EnergyLancaster, CA3 GWhMay 2014Dec 2024 Solar
Summer Solar D2AES Distributed EnergyLancaster, CA2 GWhJun 2014Dec 2024 Solar
Lancaster Solar 1Boralex US Operations LLCLancaster, CA2 GWhOct 2014Dec 2024 Solar
Summer North SolarAES Distributed EnergyLancaster, CA10 GWhNov 2014Dec 2024 Solar
Division 1Tesla Inc.Lancaster, CA3 GWhMay 2014Dec 2024 Solar
AV Solar Ranch OneAV Solar Ranch 1 LLCLancaster, CA569 GWhJul 2014Jul 2025 Solar
Lancaster WAD BAES Distributed EnergyLancaster, CA7 GWhMar 2017Dec 2024 Solar
Alpine SolarAlpine BESS LLCLancaster, CA119 GWhJan 2013Dec 2024 Solar
Radiance Solar 5Greenbacker Renewable Energy CorporationLancaster, CA3 GWhJun 2013Dec 2024 Solar
Kettering Solar 2Tesla Inc.Lancaster, CA2 GWhMay 2014Dec 2024 Solar
Radiance Solar 4Greenbacker Renewable Energy CorporationLancaster, CA3 GWhJun 2013Dec 2024 Solar
Kettering Solar 1Tesla Inc.Lancaster, CA2 GWhMay 2014Dec 2024 Solar
TA-High Desert LLCTA-High Desert LLCLancaster, CA57 GWhFeb 2013Dec 2024 Solar
Sierra Solar GreenworksAES Distributed EnergyLancaster, CA39 GWhOct 2015Dec 2024 Solar
MaCD US Solar MT 2 LLCLancaster, CA2 GWhSep 2013Dec 2024 Solar
TA-Acacia, LLCOnward EnergyLancaster, CA52 GWhOct 2014Dec 2024 Solar
Western Antelope Blue Sky Ranch AAES Distributed EnergyLancaster, CA45 GWhOct 2014Dec 2024 Solar
Lancaster Dry Farm Ranch BAES Distributed EnergyLancaster, CA8 GWhOct 2014Dec 2024 Solar
HornCD US Solar MT 2 LLCLancaster, CA3 GWhSep 2013Dec 2024 Solar
Western Antelope Dry RanchAES Distributed EnergyLancaster, CA22 GWhNov 2016Dec 2024 Solar
Lancaster Baptist ChurchTesla Inc.Lancaster, CA1 GWhNov 2011Dec 2024 Solar
Lancaster Solar 2Boralex US Operations LLCLancaster, CA3 GWhOct 2014Dec 2024 Solar
VinamCD US Solar MT 2 LLCLancaster, CA3 GWhJun 2013Dec 2024 Solar
Gaskell West 1 Solar FacilitySouthern Power CoLancaster, CA53 GWhFeb 2018Dec 2024 Solar
San Pablo RacewayAES Distributed EnergyLancaster, CA237 GWhJul 2019Jul 2025 Solar
Central Antelope Dry Ranch CAES Distributed EnergyLancaster, CA33 GWhApr 2016Dec 2024 Solar
Elevation Solar CAES Distributed EnergyLancaster, CA104 GWhNov 2016Jul 2025 Solar
Raceway Solar & StorageAES Clean EnergyLancaster, CA371 GWhApr 2024Jul 2025 Solar
Estrella Solar & StorageAES Clean EnergyLancaster, CA152 GWhNov 2023Jul 2025 Solar
US-TOPCO (Soccer Center)Tesla Inc.Lancaster, CA7 GWhNov 2016Dec 2024 Solar
AVS Lancaster 1Tesla Inc.Lancaster, CA9 GWhNov 2016Dec 2024 Solar
SEPV SierraSEPV Sierra, LLCLancaster, CA5 GWhMar 2020Dec 2024 Solar
Solverde 1AES Distributed EnergyLancaster, CA211 GWhNov 2016Jul 2025 Solar
Central Antelope Dry Ranch B LLCCentral Antelope Dry Ranch B, LLCLancaster, CA7 GWhAug 2017Dec 2024 Solar
Summer Solar LLCAES Distributed EnergyLancaster, CA49 GWhJun 2016Dec 2024 Solar
CSP Los AngelesEcoplexus, IncLancaster, CA6 GWhSep 2022Dec 2024 Solar
North Lancaster RanchAES Distributed EnergyLancaster, CA37 GWhNov 2016Dec 2024 Solar

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#27Arizona Public Service Company23.4 TWh92
#54Arlington Valley, LLC3.4 TWh1
#35Balancing Authority of Northern California15.0 TWh87
#48Imperial Irrigation District6.2 TWh66
#31Los Angeles Department of Water and Power18.6 TWh124
#22Nevada Power Company37.1 TWh139
#60New Harquahala Generating Company, LLC1.2 TWh1
#18Salt River Project Agricultural Improvement and Power District60.5 TWh48
#57Turlock 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
#3Electric Reliability Council of Texas, Inc.482.3 TWh1,313
#5Southwest Power Pool298.0 TWh835
#6Southern Company Services, Inc. - Trans249.8 TWh417
#7California Independent System Operator188.7 TWh2,075
#8Tennessee Valley Authority160.6 TWh204
#10Florida Power & Light Co.148.9 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.0 TWh565
#14ISO New England104.0 TWh1,577
#16Bonneville Power Administration79.9 TWh163