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
Last Update Jun 2026
Annual Generation 173.0 TWh
Power Plants2,075
Utilities965
Ranked #7 out of 64 in terms of net annual generation
Ranked #10 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 36.2% Solar | 29.3% Water | 12.2% Wind | 10.8% Nuclear | 10.8%

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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 1 to 100 of 1,323
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Rio Bravo FresnoRio Bravo FresnoFresno, CA108 GWhJun 1988Oct 2024 Wood/Wood Waste Solids : 94.7% Natural Gas : 5.3%
Drum 1Pacific Gas & Electric Co.Alta, CA46 GWhOct 1913Oct 2024 Water
SPI Anderson 2Sierra Pacific IndustriesAnderson, CA138 GWhJul 2015Oct 2024 Wood/Wood Waste Solids : 99.0% Natural Gas : 1.0%
Combustion Turbine Project No 2Northern California Power AgnyLodi, CA10 GWhMar 1996Oct 2024 Natural Gas
HalseyPacific Gas & Electric Co.Auburn, CA8 GWhNov 1916Oct 2024 Water
Merced FallsMerced Irrigation DistrictSnelling, CA9 GWhJun 1930Oct 2024 Water
PhoenixPacific Gas & Electric Co.Sonora, CA8 GWhJan 1940Oct 2024 Water
StanislausPacific Gas & Electric Co.Vallecito, CA316 GWhFeb 1963Oct 2024 Water
WisePacific Gas & Electric Co.Auburn, CA31 GWhFeb 1917Oct 2024 Water
Scott FlatNevada Irrigation DistrictNevada City, CA4 GWhJan 1985Oct 2024 Water
Stroud Solar StationPacific Gas & Electric Co.Helm, CA25 GWhAug 2011Oct 2024 Solar
Frankenheimer Power PlantTurlock Irrigation DistrictOakdale, CA13 GWhFeb 1983Oct 2024 Water
IKEA Tejon 345IKEA Property IncLebec, CA929 MWhMar 2011Oct 2024 Solar
ToadtownPacific Gas & Electric Co.Magalia, CA2 GWhMar 1986Oct 2024 Water
Rio Bravo Hydro ProjectOlcese Water DistrictBakersfield, CA35 GWhApr 1989Oct 2024 Water
Red MountainMetropolitan Water District of S CAFallbrook, CA34 GWhMay 1985Oct 2024 Water
ParkerMerced Irrigation DistrictSnelling, CA5 GWhMar 1982Oct 2024 Water
Mt Poso CogenerationMt Poso Cogeneration CoBakersfield, CA180 GWhApr 1989Nov 2024 Wood/Wood Waste Solids : 99.3% Natural Gas : 0.7%
Chula Vista Energy CenterWellhead Services, IncChula Vista, CA2 GWhApr 2001Nov 2024 Natural Gas
Moccasin Low Head Hydro ProjectCity & County of San FranciscoMoccasin, CA4 MWhJun 1987Nov 2024 Water
Desert Hot Springs SolarConsolidated Edison Solutions Inc.Desert Hot Springs, CA5 GWhNov 2013Nov 2024 Solar
Edom Hills Project 1 LLCEdom Hills Project 1 LLCCathedral City, CA12 GWhAug 2008Nov 2024 Wind
Spring GapPacific Gas & Electric Co.Long Barn, CA30 GWhAug 1921Nov 2024 Water
Kingsburg CogenKES Kingsburg LPKingsburg, CA11 GWhNov 1990Nov 2024 Natural Gas
Barre PeakerSouthern California Edison CoStanton, CA13 GWhAug 2007Nov 2024 Natural Gas
DGS Central California Womens FacilityForefront Power, LLCChowchilla, CA4 GWhNov 2020Nov 2024 Solar
Camp San Luis ObispoEcoplexus, IncSan Luis Obispo, CA158 MWhJul 2024Nov 2024 Solar
Whitewater Hydro PlantDesert Water AgencyCalifornia, CA5 GWhMar 1986Nov 2024 Water
SCE-Snowline-White Road (North)SunEdison LLCPhelan, CA3 GWhOct 2014Nov 2024 Solar
Mojave SiphonCalifornia Dept. of Water ResourcesHesperia, CA46 GWhJul 1996Dec 2024 Water
Volta 2Pacific Gas & Electric Co.Manton, CA3 GWhOct 1981Dec 2024 Water
Alta PowerhousePacific Gas & Electric Co.Alta, CA1 GWhOct 1902Dec 2024 Water
AngelsUtica Water & Power AuthorityAngels Camp, CA6 GWhDec 1939Dec 2024 Water
Balch 1Pacific Gas & Electric Co.Balch Camp, CA139 GWhJan 1927Dec 2024 Water
Balch 2Pacific Gas & Electric Co.Balch Camp, CA443 GWhOct 1958Dec 2024 Water
Caribou 1Pacific Gas & Electric Co.Belden, CA221 GWhMay 1921Dec 2024 Water
Chili BarSacramento Municipal Util DistPlacerville, CA33 GWhFeb 1965Dec 2024 Water
Coleman PHPacific Gas & Electric Co.Anderson, CA27 GWhMay 1979Dec 2024 Water
CrestaPacific Gas & Electric Co.Storrie, CA338 GWhOct 1949Dec 2024 Water
De SablaPacific Gas & Electric Co.Magalia, CA23 GWhJan 1963Dec 2024 Water
Deer Creek PHNevada Irrigation DistrictNevada City, CA12 GWhApr 1908Dec 2024 Water
Drum 2Pacific Gas & Electric Co.Alta, CA149 GWhNov 1965Dec 2024 Water
El DoradoEl Dorado Irrigation DistrictPollock Pines, CA81 GWhDec 1923Dec 2024 Water
Total Energy FacilitiesLos Angeles County SanitationCarson, CA161 GWhDec 1985Dec 2024 Other Biomass Gas : 99.6%
Hat Creek 1Pacific Gas & Electric Co.Burney, CA27 GWhJul 1921Dec 2024 Water
Hat Creek 2Pacific Gas & Electric Co.Burney, CA26 GWhAug 1921Dec 2024 Water
Monticello DamSolano Irrigation DistrictWinters, CA36 GWhMay 1983Dec 2024 Water
AlamedaNorthern California Power AgnyAlameda, CA3 GWhApr 1986Dec 2024 Natural Gas
Kings River PHPacific Gas & Electric Co.Balch Camp, CA107 GWhFeb 1962Dec 2024 Water
NewcastlePacific Gas & Electric Co.Auburn, CA7 GWhNov 1986Dec 2024 Water
MurphysUtica Water & Power AuthorityMurphys, CA15 GWhFeb 1954Dec 2024 Water
Pit 3Pacific Gas & Electric Co.Burney, CA333 GWhJun 1925Dec 2024 Water
W E WarneCalifornia Dept. of Water ResourcesGorman, CA171 GWhOct 1982Dec 2024 Water
EllwoodEllwood Power, LLCGoleta, CA2 GWhJul 1974Dec 2024 Natural Gas
Pit 6Pacific Gas & Electric Co.Montgomery Creek, CA242 GWhJul 1965Dec 2024 Water
Mill Creek 3Southern California Edison CoMill Creek, CA11 GWhFeb 1903Dec 2024 Water
CamancheEast Bay Municipal Util DistClements & Wallace, CA32 GWhJun 1983Dec 2024 Water
GrizzlyCity of Santa Clara - (CA)N/A, CA30 GWhOct 1993Dec 2024 Water
Salt SpringsPacific Gas & Electric Co.Pioneer, CA108 GWhMay 1931Dec 2024 Water
SouthPacific Gas & Electric Co.Manton, CA13 GWhNov 1979Dec 2024 Water
Spaulding 1Pacific Gas & Electric Co.Emigrant Gap, CA18 GWhApr 1928Dec 2024 Water
Spaulding 3Pacific Gas & Electric Co.Emigrant Gap, CA16 GWhJan 1929Dec 2024 Water
Lake MendocinoCity of Ukiah - (CA)Ukiah, CA12 GWhApr 1987Dec 2024 Water
Tiger CreekPacific Gas & Electric Co.Pioneer, CA225 GWhMay 1931Dec 2024 Water
A G WishonPacific Gas & Electric Co.North Fork, CA22 GWhAug 1910Dec 2024 Water
Big Creek 1Southern California Edison CoBig Creek, CA405 GWhOct 1913Dec 2024 Water
Big Creek 2Southern California Edison CoAuberry, CA355 GWhNov 1913Dec 2024 Water
LodiNorthern California Power AgnyLodi, CA3 GWhJan 1986Dec 2024 Natural Gas
GianeraCity of Santa Clara - (CA)Santa Clara, CA6 GWhMay 1986Dec 2024 Natural Gas
Big Creek 8Southern California Edison CoAuberry, CA174 GWhJul 1921Dec 2024 Water
Combie SouthNevada Irrigation DistrictAuburn, CA4 GWhMar 1984Dec 2024 Water
Bishop Creek 2Southern California Edison CoBishop, CA16 GWhOct 1908Dec 2024 Water
Bishop Creek 3Southern California Edison CoBishop, CA20 GWhMay 1913Dec 2024 Water
Bishop Creek 4Southern California Edison CoBishop, CA40 GWhAug 1905Dec 2024 Water
Bishop Creek 6Southern California Edison CoBishop, CA10 GWhFeb 1913Dec 2024 Water
FontanaSouthern California Edison CoRialto, CA9 GWhNov 1917Dec 2024 Water
PooleSouthern California Edison CoLee Vining, CA23 GWhApr 1924Dec 2024 Water
PortalSouthern California Edison CoLakeshore, CA19 GWhNov 1956Dec 2024 Water
Rush CreekSouthern California Edison CoJune lake, CA43 GWhSep 1916Dec 2024 Water
PardeeEast Bay Municipal Util DistValley Springs, CA118 GWhJun 1930Dec 2024 Water
AVI BakersfieldAnthony Vineyards, Inc.Bakersfield, CA3 GWhMay 2022Dec 2024 Solar
AlamoCalifornia Dept. of Water ResourcesPearblossom, CA56 GWhJun 1986Dec 2024 Water
ExchequerMerced Irrigation DistrictSnelling, CA268 GWhJun 1967Dec 2024 Water
McSwainMerced Irrigation DistrictSnelling, CA32 GWhJun 1967Dec 2024 Water
Chicago ParkNevada Irrigation DistrictColfax, CA60 GWhOct 1965Dec 2024 Water
Dutch Flat 2Nevada Irrigation DistrictDutch Flat, CA15 GWhOct 1965Dec 2024 Water
BeardsleyOakdale&South San Joaquin Irrigation D.None, CA56 GWhApr 1957Dec 2024 Water
DonnellsOakdale&South San Joaquin Irrigation D.None, CA219 GWhMay 1957Dec 2024 Water
TullochOakdale&South San Joaquin Irrigation D.Jamestown, CA104 GWhMay 1958Dec 2024 Water
ForbestownSouth Feather Water and Power AgencyForbestown, CA129 GWhSep 1963Dec 2024 Water
Kelly RidgeSouth Feather Water and Power AgencyOroville, CA67 GWhAug 1963Dec 2024 Water
WoodleafSouth Feather Water and Power AgencyForbestown, CA194 GWhOct 1963Dec 2024 Water
GlenarmCity of Pasadena - (CA)Pasadena, CA39 GWhDec 1975Dec 2024 Natural Gas
French MeadowsPlacer County Water AgencyForesthill, CA51 GWhSep 1966Dec 2024 Water
RalstonPlacer County Water AgencyForesthill, CA328 GWhSep 1966Dec 2024 Water
Black ButteCity of Santa Clara - (CA)Orland, CA15 GWhAug 1988Dec 2024 Water
Stony GorgeCity of Santa Clara - (CA)Elk Creek, CA16 GWhMar 1986Dec 2024 Water
Grossmont HospitalSharp Grossmont HospitalLa Mesa, CA25 GWhJul 1983Dec 2024 Natural Gas
Narrows 2Yuba County Water AgencyBrowns Valley, CA157 GWhNov 1969Dec 2024 Water
Bear ValleyCity of Escondido - (CA)Escondido, CA4 GWhMay 1986Dec 2024 Water

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.489.5 TWh1,313
#5Southwest Power Pool304.8 TWh835
#6Southern Company Services, Inc. - Trans252.5 TWh417
#7California Independent System Operator173.0 TWh2,075
#9Tennessee Valley Authority163.7 TWh204
#10Florida Power & Light Co.151.0 TWh187
#12New York Independent System Operator134.9 TWh1,211
#13Duke Energy Carolinas112.2 TWh565
#15ISO New England111.3 TWh1,577
#16Bonneville Power Administration90.2 TWh163