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 901 to 1,000 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Ormond BeachOrmond Beach Power, LLCOxnard, CA43 GWhJul 1971Aug 2025 Natural Gas
Oro LomaConsolidated Edison Development Inc.Oro Loma, CA25 GWhDec 2016Dec 2024 Solar
Oroville Cogeneration LPApex Power Generation Corp.Oroville, CA672 MWhDec 1989Dec 2024 Natural Gas
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA2 TWhSep 2009Sep 2025 Natural Gas
Otoe Solar Power Generation Station 1 LLAES Distributed EnergyApple Valley, CA3 GWhNov 2013Dec 2024 Solar
Oxbow (CA)Placer County Water AgencyForesthill, CA29 GWhSep 1966Sep 2024 Water
OxnardProcter&Gamble Paper Products Co-OxnardOxnard, CA479 GWhJun 1982Sep 2025 Natural Gas
Oxnard Paper MillNew-Indy, Oxnard LLCOxnard, CA134 GWhFeb 1986Sep 2025 Natural Gas
Oxnard Wastewater Treatment PlantOxnard City ofOxnard, CA4 GWhJul 1981Sep 2025 Other Biomass Gas : 95.1% Natural Gas : 4.9%
P PlantQualcomm IncorporatedSan Diego, CA30 GWhFeb 2007Jul 2024 Natural Gas
P66 Rodeo SolarP66 Rodeo SolarRodeo, CA34 GWhMar 2023Sep 2025 Solar
Pacific Ethanol Madera Solar ArraySeaboard Energy California, LLCMadera, CA2 GWhJul 2018Dec 2024 Solar
Pacific-Ultrapower Chinese StationIHI Power Services CorpJamestown, CA138 GWhSep 1986Sep 2025 Wood/Wood Waste Solids : 99.7%
Pacific Wind LLCEDF Renewable Asset Holdings, Inc.Rosamond, CA311 GWhJul 2012Dec 2024 Wind
Painted Hills Wind ParkTerra-Gen Operating Co-WindWhitewater, CA173 GWhOct 1985Sep 2025 Wind
Palo Verde CollegeScale Sustainable I, LLCBlythe, CA2 GWhJul 2009Dec 2024 Solar
Palomar EnergySan Diego Gas & Electric CoEscondido, CA1 TWhSep 2005Sep 2025 Natural Gas
Panoche Energy CenterPanoche Energy Center, LLCFirebaugh, CA907 GWhMay 2009Sep 2025 Natural Gas
Panoche Valley Solar FarmConsolidated Edison Development Inc.Paicines, CA286 GWhDec 2017Sep 2025 Solar
PardeeEast Bay Municipal Util DistValley Springs, CA118 GWhJun 1930Dec 2024 Water
Park Meridian #1Altus Power America Management, LLCRiverside, CA2 GWhFeb 2015Dec 2024 Solar
ParkerMerced Irrigation DistrictSnelling, CA5 GWhMar 1982Oct 2024 Water
Parnassus Central Utility PlantUniversity of California-San FranciscoSan Francisco, CA68 GWhDec 1995Sep 2025 Natural Gas
Paso Robles - Municipal AirportOnyx Asset Services GroupPaso Robles, CA6 GWhDec 2023Dec 2024 Solar
Pastoria Energy Facility, LLCCalpine Corp - Pastoria Energy CenterLebec, CA4 TWhApr 2005Sep 2025 Natural Gas
PaulsellCrow Creek Solar, LLCCrows Landing, CA45 GWhMay 2024Sep 2025 Solar
PE BerkeleyBerkeley Cogeneration FacilityBerkeley, CA166 GWhMay 1987Sep 2025 Natural Gas
Pebbly Beach Generating Station HybridSouthern California Edison CoAvalon, CA29 GWhJun 1958Sep 2025 Distillate Fuel Oil : 94.5% Gaseous Propane : 5.5%
PerrisMetropolitan Water District of S CAPerris, CA5 GWhApr 1983Jan 2024 Water
PFMG Solar Grossmont Helix LLCAltus Power America Management, LLCLa Mesa, CA2 GWhApr 2018Dec 2024 Solar
Phillips 66 Rodeo RefineryPhillips 66 CompanyRodeo, CA291 GWhApr 1987Aug 2024 Other Gas : 72.8% Natural Gas : 27.2%
PhoenixPacific Gas & Electric Co.Sonora, CA8 GWhJan 1940Oct 2024 Water
Phoenix Wind Power LLCAvangrid Power LLCNorth Palm Springs, CA3 GWhMay 1999Dec 2024 Wind
Pine FlatKings River Conservation DistPiedra, CA331 GWhDec 1983Sep 2025 Water
Pinyon Pine IPinyon Pines Wind I, LLCMojave, CA307 GWhOct 2012Dec 2024 Wind
Pinyon Pine IIPinyon Pines Wind II, LLCMojave, CA233 GWhOct 2012Dec 2024 Wind
Pio Pico Energy CenterPio Pico Energy Center LLCSan Diego, CA66 GWhOct 2016Dec 2024 Natural Gas
Pit 1Pacific Gas & Electric Co.Burney, CA188 GWhAug 1922Dec 2024 Water
Pit 3Pacific Gas & Electric Co.Burney, CA333 GWhJun 1925Dec 2024 Water
Pit 4Pacific Gas & Electric Co.Big Bend, CA399 GWhJun 1955Sep 2025 Water
Pit 5Pacific Gas & Electric Co.Big Bend, CA620 GWhMar 1944Sep 2025 Water
Pit 6Pacific Gas & Electric Co.Montgomery Creek, CA242 GWhJul 1965Dec 2024 Water
Pit 7Pacific Gas & Electric Co.Montgomery Creek, CA441 GWhAug 1965Sep 2025 Water
Pivot Energy PPA 22Pivot EnergyVisalia, CA68 MWhSep 2024Dec 2024 Solar
Pixar - EmeryvilleBloom EnergyEmeryville, CA8 GWhDec 2013Dec 2024 Natural Gas
Plant No 1 Orange CountyOrange County Sanitation DistFountain Valley, CA40 GWhMay 1993Dec 2024 Other Biomass Gas : 80.1% Natural Gas : 19.9%
Plant No 2 Orange CountyOrange County Sanitation DistHuntington Beach, CA59 GWhMay 1993Dec 2024 Other Biomass Gas : 73.7% Natural Gas : 26.0%
PoePacific Gas & Electric Co.Storrie, CA312 GWhSep 1958Sep 2025 Water
Point WindTerra-Gen Operating Co-WindTehachapi, CA234 GWhFeb 2021Sep 2025 Wind
POM Beverage SolarWonderful Renewable Energy, LLC.Del Rey, CA5 GWhJun 2021Dec 2024 Solar
POM Juice SolarWonderful Renewable Energy, LLC.Fresno, CA3 GWhJun 2021Dec 2024 Solar
POM Plant 1Wonderful Renewable Energy, LLC.Del Rey, CA5 GWhNov 2021Dec 2024 Solar
POM Plant 2Wonderful Renewable Energy, LLC.Del Rey, CA4 GWhNov 2021Dec 2024 Solar
Ponderosa Bailey CreekSnow Mountain Hydro LLCManton, CA3 GWhFeb 1990Dec 2024 Water
PooleSouthern California Edison CoLee Vining, CA23 GWhApr 1924Dec 2024 Water
PortalSouthern California Edison CoLakeshore, CA19 GWhNov 1956Dec 2024 Water
Portal Ridge Solar B, LLCPortal Ridge Solar, LLCLancaster, CA47 GWhJan 2017Dec 2024 Solar
Portal Ridge Solar C, LLCPortal Ridge Solar, LLCLancaster, CA25 GWhJan 2017Dec 2024 Solar
Porterville 6 and 7Arevon Energy, Inc.Porterville, CA3 GWhJun 2014Dec 2024 Solar
Porterville SolarAltus Power America Management, LLCPorterville, CA6 GWhDec 2013Dec 2024 Solar
Potrero Hills Energy ProducersPotrero Hills Energy Producers, LLCSuisun City, CA59 GWhMar 2016Dec 2024 Landfill Gas
Power Generation Station (PGS) 2East Bay Municipal Util DistOakland, CA16 GWhNov 2011Dec 2024 Other Biomass Gas
Powhatan Solar Power Generation StationAES Distributed EnergyApple Valley, CA3 GWhNov 2013Dec 2024 Solar
Preferred Freezer San LeandroPowerflexSan Leandro, CA3 GWhJun 2017Dec 2023 Solar
Prologis L.PPowerflexTracy, CA6 GWhJul 2018Dec 2024 Solar
ProximaProxima Solar, LLCCrows Landing, CA462 GWhMar 2024Sep 2025 Solar
PSREC/SIAD SolarPlumas Sierra Rural Electric CoopHerlong, CA6 GWhAug 2018Dec 2024 Solar
Puente Hills Energy RecoveryLos Angeles County SanitationWhittier, CA151 GWhSep 1986Sep 2025 Landfill Gas
Pumpjack Solar IDuke Energy Renewables ServicesMcKittrick, CA46 GWhDec 2014Dec 2024 Solar
PVN Milliken, LLCPVN Milliken, LLCOntario, CA5 GWhMay 2017Dec 2024 Solar
Q PlantQualcomm IncorporatedSan Diego, CA66 MWhJun 2013Dec 2024 Natural Gas
Quinto Solar PV ProjectArevon Energy, Inc.Gustine, CA257 GWhOct 2015Dec 2024 Solar
R C KirkwoodCity & County of San FranciscoGroveland, CA404 GWhJan 1967Sep 2025 Water
Rabbitbrush Solar, LLCLeeward Asset Management, LLCRosamond, CA245 GWhSep 2022Sep 2025 Solar
Raceway Solar & StorageAES Clean EnergyLancaster, CA370 GWhApr 2024Sep 2025 Solar
Radiance Solar 4Greenbacker Renewable Energy CorporationLancaster, CA3 GWhJun 2013Dec 2024 Solar
Radiance Solar 5Greenbacker Renewable Energy CorporationLancaster, CA3 GWhJun 2013Dec 2024 Solar
RalstonPlacer County Water AgencyForesthill, CA328 GWhSep 1966Dec 2024 Water
Ramona 1MN8 Energy LLCRamona, CA3 GWhNov 2013Dec 2024 Solar
Ramona 2MN8 Energy LLCRamona, CA9 GWhNov 2013Dec 2024 Solar
Ramona Solar EnergySan Diego Gas & Electric CoRamona, CA5 GWhMar 2017Dec 2024 Solar
Rancho Cucamonga Dist #1Altus Power America Management, LLCRancho Cucamonga, CA3 GWhMar 2015Dec 2024 Solar
Ratkovich AlhambraBloom EnergyAlhambra, CA8 GWhNov 2018Dec 2024 Natural Gas
RCWD PV ProjectMN8 Energy LLCMurrieta, CA8 GWhMay 2016Dec 2024 Solar
RE Adams East, LLCOnward EnergyFresno, CA39 GWhNov 2014Dec 2024 Solar
RE AstoriaRE Astoria LLCRosamond, CA177 GWhNov 2016Sep 2025 Solar
RE Astoria 2RE Astoria 2 LLCRosamond, CA145 GWhNov 2016Sep 2025 Solar
RE Camelot LLCOnward EnergyMojave, CA125 GWhNov 2014Dec 2024 Solar
RE Columbia 3 LLCMN8 Energy LLCMojave, CA24 GWhDec 2013Dec 2024 Solar
RE Columbia Two, LLCOnward EnergyMojave, CA40 GWhNov 2014Dec 2024 Solar
RE GarlandSouthern Power CoRosamond, CA483 GWhOct 2016Dec 2024 Solar
RE Garland ASouthern Power CoRosamond, CA58 GWhAug 2016Dec 2024 Solar
RE Gaskell West 2 LLCRE Gaskell West LLCRosamond, CA125 GWhApr 2023Sep 2025 Solar
RE Gaskell West 3 LLCRE Gaskell West LLCRosamond, CA49 GWhApr 2023Dec 2024 Solar
RE Gaskell West 4 LLCRE Gaskell West LLCRosamond, CA50 GWhApr 2023Dec 2024 Solar
RE Gaskell West 5 LLCRE Gaskell West LLCRosamond, CA49 GWhApr 2023Dec 2024 Solar
RE Kansas Solar, LLCOnward EnergyLemoore, CA36 GWhNov 2014Dec 2024 Solar
RE Kansas South LLCRE Kansas South LLCLemoore, CA49 GWhMay 2013Dec 2024 Solar
RE Kent South, LLCOnward EnergyLemoore, CA44 GWhNov 2014Dec 2024 Solar
RE Mustang LLCMN8 Energy LLCLemoore, CA221 GWhJul 2016Dec 2024 Solar

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