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 Authority	California Independent System Operator
States	Arizona California Nevada
Last Update	Nov 2024
Annual Generation	191.5 TWh
Power Plants	1,943
Utilities	893
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 \| 45.6% Solar \| 23.1% Water \| 12.1% Wind \| 10% Nuclear \| 9%

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

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Guadalupe Solar Farm	County of Santa Clara (CA)	San Jose, CA	2 GWh	Aug 2018	Dec 2023	Solar
E&B Resources	Terraform Arcadia	Bakersfield, CA	2 GWh	Nov 2013	Dec 2023	Solar
County of San Diego SBRC	MN8 Energy LLC	Chula Vista, CA	2 GWh	Nov 2018	Dec 2023	Solar
Zero Waste Energy Development Co LLC	Zero Waste Energy Development Company LLC	San Jose, CA	2 GWh	Jan 2015	Dec 2023	Other Biomass Gas
Colton Solar One, LLC	Colton Solar One, LLC	San Bernardino, CA	2 GWh	May 2015	Dec 2023	Solar
Gilead Oceanside Solar Project	Gilead Sciences Inc.	Oceanside, CA	2 GWh	Nov 2021	Dec 2023	Solar
Donaghy-Stockton	Donaghy Sales Inc.	Stockton, CA	2 GWh	Sep 2021	Dec 2023	Solar
Five H Farms Solar Array	Maas Energy Works	Merced, CA	2 GWh	Mar 2021	Dec 2023	Solar
Santa Fe Springs Rooftop Solar BLDG M	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Feb 2015	Nov 2023	Solar
Liberty HS Solar Project	MN8 Energy LLC	Bakersfield, CA	2 GWh	Nov 2018	Dec 2023	Solar
Fremont - Kato Rd	Tesla Inc.	Fremont, CA	2 GWh	Nov 2016	Dec 2023	Solar
CDCR (CA) - Solano State Prison	SunE Solano SP Owner, LLC	Vacaville, CA	2 GWh	Nov 2013	Dec 2023	Solar
Diamond Valley Solar Project	Ecos Energy LLC	Winchester, CA	2 GWh	Dec 2014	Dec 2023	Solar
CA Institute for Women	Ecoplexus, Inc	Chino, CA	2 GWh	Jan 2020	Dec 2023	Solar
Calibrant Bakersfield LLC	Bay4 Energy Services, LLC	Bakersfield, CA	2 GWh	Jan 2022	Dec 2023	Solar
Solar Photovoltaic Project #07	Southern California Edison Co	Redlands, CA	2 GWh	Oct 2012	Apr 2023	Solar
SCE-Snowline-Duncan Road (South)	SunEdison LLC	Phelan, CA	2 GWh	Sep 2014	Dec 2023	Solar
Wheeler Ridge	AFTW Holdings, LLC	Bakersfield, CA	2 GWh	Aug 2023	Dec 2023	Solar
Oakley Solar Project	Oakley Solar Project LLC	Oakley, CA	2 GWh	May 2013	Dec 2023	Solar
Lafayette 2 - MLK Jr. Hospital (MLK)	MN8 Energy LLC	Los Angeles, CA	2 GWh	Jul 2020	Dec 2023	Solar
Arrache 4006	CD US Solar MT 2 LLC	Palmdale, CA	2 GWh	Jul 2013	Dec 2023	Solar
Park Meridian #1	Altus Power America Management, LLC	Riverside, CA	2 GWh	Feb 2015	Dec 2023	Solar
EAFB - South Base	CleanCapital Holdings	Edwards Air Force Bas, CA	2 GWh	Jan 2012	Dec 2023	Solar
Madelyn Solar, LLC	CD US Solar PO 3, LLC	Silver Lake, CA	2 GWh	Nov 2014	Dec 2023	Solar
Rancho Cucamonga Dist #1	Altus Power America Management, LLC	Rancho Cucamonga, CA	2 GWh	Mar 2015	Dec 2023	Solar
IKEA Tejon 345	IKEA Property Inc	Lebec, CA	2 GWh	Mar 2011	Dec 2023	Solar
Enerparc CA1 LLC	Enerparc CA 1, LLC	Hollister, CA	2 GWh	May 2014	Dec 2023	Solar
Fresno Sunnyside High School Hybrid	Forefront Power, LLC	Fresno, CA	3 GWh	Nov 2020	Dec 2023	Solar
Heliocentric	Heliocentric LLC	Palmdale, CA	3 GWh	Feb 2012	Dec 2023	Solar
Toadtown	Pacific Gas & Electric Co.	Magalia, CA	3 GWh	Mar 1986	Dec 2023	Water
Alta Powerhouse	Pacific Gas & Electric Co.	Alta, CA	3 GWh	Oct 1902	Dec 2023	Water
Windsor Floating Solar	CA ODEVI LLC	Windsor, CA	3 GWh	Oct 2020	Dec 2023	Solar
Broadway 3 - UCSB Lot 38	MN8 Energy LLC	Santa Barbara, CA	3 GWh	Nov 2016	Dec 2023	Solar
2097 Helton Solar Project	Solarenewal LLC	Merced, CA	3 GWh	Mar 2014	Dec 2023	Solar
CID Solar (CA)	DG California Solar LLC	Corcoran, CA	3 GWh	Aug 2019	Dec 2023	Solar
Greenleaf 1	Calpine Greenleaf Holding, Inc.	Yuba City, CA	3 GWh	Jan 1989	Dec 2023	Natural Gas
Rudy Solar, LLC	CD US Solar PO 3, LLC	Silver Lake, CA	3 GWh	Nov 2014	Dec 2023	Solar
Mitchell Solar, LLC	CD US Solar PO 3, LLC	Silver Lake, CA	3 GWh	Nov 2014	Dec 2023	Solar
Nelson Creek	Nelson Creek Power Inc	Big Bend, CA	3 GWh	Sep 1989	Dec 2023	Water
CSUF Nutwood Solar	MN8 Energy LLC	Fullerton, CA	3 GWh	Nov 2016	Dec 2023	Solar
Solar Photovoltaic Project #17	Southern California Edison Co	Fontana, CA	3 GWh	Dec 2014	Apr 2023	Solar
Lancaster Solar 2	PsomasFMG Lancaster Solar Crest, LLC	Lancaster, CA	3 GWh	Oct 2014	Dec 2023	Solar
EAFB - North Base	CleanCapital Holdings	Edwards Air Force Bas, CA	3 GWh	Jan 2012	Dec 2023	Solar
Rutan	CD US Solar MT 2 LLC	Palmdale, CA	3 GWh	Dec 2013	Dec 2023	Solar
Frontier HS Solar Project	MN8 Energy LLC	Bakersfield, CA	3 GWh	Nov 2018	Dec 2023	Solar
Lost Hills Cogeneration Plant	AERA Energy LLC	Lost Hills, CA	3 GWh	Sep 1985	Dec 2023	Natural Gas
Phelan Pinon Hills CSD Solar	Phelan Pinon Hills Community Services District	Adelanto, CA	3 GWh	Oct 2015	Nov 2023	Solar
Kaiser Ontario	Bloom Energy 2009 PPA	Ontario, CA	3 GWh	Sep 2012	Dec 2023	Natural Gas
Google Moffett Park Solar Project	Google, Inc.	Sunnyvale, CA	3 GWh	Feb 2021	Dec 2023	Solar
Mira Loma	Costco Wholesale	Mira Loma, CA	3 GWh	Oct 2011	Dec 2023	Solar
Helzel & Schwarzhoff 86	Wind Stream Operations LLC	Tehachapi, CA	3 GWh	Nov 1986	Dec 2023	Wind
Prologis L.P	EnterSolar	Tracy, CA	3 GWh	Jul 2018	Dec 2023	Solar
L-8 Solar Project	L-8 Solar Project LLC	Palmdale, CA	3 GWh	Apr 2012	Dec 2023	Solar
Three Forks Water Power Project	Grizzly Mountain Ranch	Zenia, CA	3 GWh	Nov 1984	Dec 2023	Water
Kettleman Solar Project	Ecos Energy LLC	Lodi, CA	3 GWh	Mar 2014	Dec 2023	Solar
Division 1	Tesla Inc.	Lancaster, CA	3 GWh	May 2014	Dec 2023	Solar
Deer Creek 2	Greenbacker Renewable Energy Corporation	Shingle Springs, CA	3 GWh	Nov 2021	Dec 2023	Solar
Bear Valley	City of Escondido - (CA)	Escondido, CA	3 GWh	May 1986	Dec 2023	Water
Madera 1 PV	ZGlobal Inc	Madera, CA	3 GWh	Nov 2017	Dec 2023	Solar
Ramona Solar Energy	San Diego Gas & Electric Co	Ramona, CA	3 GWh	Mar 2017	Dec 2023	Solar
Moonlight Packing - Phase 2	CalCom Energy	Reedley, CA	3 GWh	May 2019	Dec 2023	Solar
Lafayette 2 - Internal Services Dept	MN8 Energy LLC	Los Angeles, CA	3 GWh	Jul 2020	Dec 2023	Solar
Sonora 1	Greenbacker Renewable Energy Corporation	Jamestown, CA	3 GWh	Nov 2013	Dec 2023	Solar
Dover Dairy	Renewable Solar, Inc	Hanford, CA	3 GWh	Apr 2022	Dec 2023	Solar
Fresno Cogen Partners	Wellhead Services, Inc	San Joaquin, CA	3 GWh	Dec 1989	Dec 2023	Natural Gas
CA-Ventura Co CCD-Oxnard College Canopy	Forefront Power, LLC	Ventura, CA	3 GWh	Nov 2022	Dec 2023	Solar
Kingsburg Solar	Altus Power America Management, LLC	Kingsburg, CA	3 GWh	Nov 2013	Dec 2023	Solar
San Diego - NCRC at Vista	California PV Energy 3, LLC	Vista, CA	3 GWh	Feb 2021	Dec 2023	Solar
Volta 1	Pacific Gas & Electric Co.	Manton, CA	3 GWh	Mar 1980	Sep 2023	Water
Nickel 1 Solar Facility	Altus Power America Management, LLC	Lost Hills, CA	3 GWh	Oct 2012	Dec 2023	Solar
Atascadero State Hospital	Ecoplexus, Inc	Atascadero, CA	3 GWh	Jul 2020	Dec 2023	Solar
Victor Valley CC CPV Solar	Victor Valley Community College District	Victorville, CA	3 GWh	May 2010	Dec 2022	Solar
Foundation AB	Foundation HA Energy Generation, LLC	Fairfield, CA	3 GWh	Oct 2011	Dec 2023	Wind
Delano Energy Center	Wellhead Services, Inc	Delano, CA	3 GWh	Dec 2012	Nov 2023	Natural Gas
Wonderful Kings	Wonderful Renewable Energy, LLC.	Lost Hills, CA	3 GWh	Jul 2022	Dec 2023	Solar
Anaheim Solar Energy Plant	Anaheim Public Utilities	Anaheim, CA	3 GWh	Jul 2014	Dec 2023	Solar
Diamond Valley Lake	Metropolitan Water District of S CA	Winchester, CA	3 GWh	Apr 2001	Dec 2022	Water
Horn	CD US Solar MT 2 LLC	Lancaster, CA	3 GWh	Sep 2013	Dec 2023	Solar
San Dimas Wash Generating Station	San Gabriel Valley Mun Wtr Dt	San Dimas, CA	3 GWh	Feb 1986	Dec 2023	Water
9150 Hermosa Solar GM	Valta Energy	Rancho Cucamonga, CA	3 GWh	Nov 2022	Dec 2023	Solar
SEPV 1	CVI CleanCapital Solar 1 LLC	Palmdale, CA	3 GWh	Apr 2012	Dec 2023	Solar
Vacaville Hospital	KP Vacaville Solar, LLC	Vacaville, CA	3 GWh	Nov 2019	Dec 2023	Solar
Gilead Sciences La Verne Rooftop Solar	Gilead Sciences, Inc. - La Verne	La Verne, CA	3 GWh	Jun 2021	Dec 2022	Solar
Ponderosa Bailey Creek	Snow Mountain Hydro LLC	Manton, CA	3 GWh	Feb 1990	Dec 2023	Water
Whitewater Hydro Plant	Desert Water Agency	California, CA	3 GWh	Mar 1986	Dec 2023	Water
Vinam	CD US Solar MT 2 LLC	Lancaster, CA	3 GWh	Jun 2013	Dec 2023	Solar
OK Produce Fresno Carport	OK Produce	Fresno, CA	3 GWh	Dec 2018	Dec 2023	Solar
Solar Photovoltaic Project #11	Southern California Edison Co	Redlands, CA	3 GWh	Jan 2015	Apr 2023	Solar
Broadway 4 - Target Shafter	MN8 Energy LLC	Shafter, CA	3 GWh	Aug 2018	Dec 2023	Solar
Tranquillity ID	Tranquillity Solar 1, LLC	Tranquillity, CA	3 GWh	Feb 2018	Dec 2023	Solar
Deadwood Creek	Hydro Sierra Energy, LLC	Dobbins, CA	3 GWh	Nov 1993	Aug 2023	Water
Volta 2	Pacific Gas & Electric Co.	Manton, CA	3 GWh	Oct 1981	Dec 2023	Water
County of San Diego COC Hybrid	Solar Star California LXXVIII, LLC	San Diego, CA	3 GWh	Jun 2020	Dec 2023	Solar : 95.9% Electricity used for energy storage : 4.1%
Radiance Solar 5	Greenbacker Renewable Energy Corporation	Lancaster, CA	3 GWh	Jun 2013	Mar 2023	Solar
Arrache 8083	CD US Solar MT 2 LLC	Palmdale, CA	3 GWh	Aug 2013	Dec 2023	Solar
Preferred Freezer San Leandro	EnterSolar	San Leandro, CA	3 GWh	Jun 2017	Dec 2023	Solar
BBARWA	Distributed Solar Development, LLC	Big Bear, CA	3 GWh	Nov 2021	Dec 2023	Solar
EMWD - San Jacinto RES BCT	SkyHigh 2 Solar	San Jacinto, CA	3 GWh	Apr 2022	Nov 2023	Solar
Radiance Solar 4	Greenbacker Renewable Energy Corporation	Lancaster, CA	3 GWh	Jun 2013	Dec 2023	Solar
Target Woodland Solar Project	MN8 Energy LLC	Woodland, CA	3 GWh	Nov 2018	Dec 2023	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#28	Arizona Public Service Company	21.8 TWh	75
#52	Arlington Valley, LLC	3.6 TWh	1
#35	Balancing Authority of Northern California	15.2 TWh	83
#48	Imperial Irrigation District	5.7 TWh	65
#33	Los Angeles Department of Water and Power	15.9 TWh	120
#22	Nevada Power Company	37.6 TWh	136
#56	New Harquahala Generating Company, LLC	2.9 TWh	1
#18	Salt River Project Agricultural Improvement and Power District	59.0 TWh	45
#57	Turlock Irrigation District	2.3 TWh	11
#41	Western Area Power Administration - Desert Southwest Region	8.6 TWh	30

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	461.0 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	247.9 TWh	393
#7	California Independent System Operator	191.5 TWh	1,943
#9	Tennessee Valley Authority	157.5 TWh	170
#10	Florida Power & Light Co.	147.7 TWh	159
#12	New York Independent System Operator	130.0 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556
#15	ISO New England	102.8 TWh	1,487
#16	Bonneville Power Administration	80.0 TWh	158