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 Authority	California Independent System Operator
States	Arizona California Nevada New Mexico
Last Update	Oct 2026
Annual Generation	168.7 TWh
Power Plants	2,170
Utilities	1,001
Ranked #7 out of 64 in terms of net annual generation
Ranked #14 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 32% Solar \| 30.9% Water \| 12.2% Wind \| 11.8% Nuclear \| 11.2% Coal \| 0%

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

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Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Enerparc CA1 LLC	CleanCapital Holdings	Hollister, CA	3 GWh	May 2014	Dec 2025	Solar
Division 3	Tesla Inc.	Lancaster, CA	1 GWh	May 2014	Dec 2025	Solar
Division 2	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Dec 2025	Solar
Division 1	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Dec 2025	Solar
Cottonwood Solar, LLC (City of Corcoran)	Onward Energy	Corcoran, CA	21 GWh	Apr 2015	Dec 2025	Solar
Cottonwood Solar, LLC (Goose Lake)	Onward Energy	Lost Hills, CA	30 GWh	Apr 2015	Dec 2025	Solar
Hayworth Solar	AES Distributed Energy	Edison, CA	47 GWh	Nov 2015	Dec 2025	Solar
Woodmere Solar Farm	AES Distributed Energy	Edison, CA	29 GWh	Nov 2015	Dec 2025	Solar
RE Kent South, LLC	Onward Energy	Lemoore, CA	36 GWh	Nov 2014	Dec 2025	Solar
RE Columbia Two, LLC	Onward Energy	Mojave, CA	41 GWh	Nov 2014	Dec 2025	Solar
RE Old River One, LLC	Onward Energy	Bakersfield, CA	38 GWh	Nov 2014	Dec 2025	Solar
RE Kansas Solar, LLC	Onward Energy	Lemoore, CA	24 GWh	Nov 2014	Dec 2025	Solar
RE Adams East, LLC	Onward Energy	Fresno, CA	41 GWh	Nov 2014	Dec 2025	Solar
RE Camelot LLC	Onward Energy	Mojave, CA	121 GWh	Nov 2014	Dec 2025	Solar
Henrietta Solar Project	Southern Power Co	Lemoore, CA	170 GWh	Jul 2016	Dec 2025	Solar
White River Solar 2	RWE Clean Energy	Alpaugh, CA	49 GWh	Aug 2014	Dec 2025	Solar
Las Virgenes Municipal Water District	Tesla Inc.	Calabasas, CA	1 GWh	Jan 2014	Dec 2025	Solar
Laguna Water Reclamation Facility	City of Santa Rosa - (CA)	Santa Rosa, CA	9 GWh	Feb 2013	Dec 2025	Other Biomass Gas : 83.6% Natural Gas : 16.4%
Cloverdale Solar I	Altus Power America Management, LLC	Cloverdale, CA	1 GWh	May 2014	Dec 2025	Solar
2097 Helton Solar Project	Solarenewal LLC	Merced, CA	1 GWh	Mar 2014	Dec 2025	Solar
2127 Harris Solar Project	Solarenewal LLC	Live Oak, CA	885 MWh	Mar 2014	Dec 2025	Solar
2081 Terzian Solar Project	Solarenewal LLC	Reedley, CA	1 GWh	Jan 2014	Dec 2025	Solar
MCAGCC Cogen Plant	DOD USMC Marine Air Ground Combat	Twentynine Palms, CA	68 GWh	Jan 2003	Dec 2025	Natural Gas
Santa Fe Springs Rooftop Solar BLDG H	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Feb 2015	Dec 2025	Solar
Santa Fe Springs Rooftop Solar BLDG M	Golden Springs Development Company LLC	Santa Fe Springs, CA	3 GWh	Feb 2015	Dec 2025	Solar
Ramona 2	MN8 Energy LLC	Ramona, CA	9 GWh	Nov 2013	Dec 2025	Solar
Ramona 1	MN8 Energy LLC	Ramona, CA	3 GWh	Nov 2013	Dec 2025	Solar
Valley Center 2	MN8 Energy LLC	Valley Center, CA	8 GWh	Nov 2013	Dec 2025	Solar
Valley Center 1	MN8 Energy LLC	Valley Center, CA	4 GWh	Nov 2013	Dec 2025	Solar
Beringer	SunStrong Management, LLC	Saint Helena, CA	2 GWh	Dec 2008	Dec 2025	Solar
ASTI	SunStrong Management, LLC	Cloverdale, CA	1 GWh	Jan 2009	Dec 2025	Solar
Redcrest Solar Farm	AES Distributed Energy	Edison, CA	34 GWh	Sep 2015	Dec 2025	Solar
Shasta Solar Farm	Ignite Solar Holdings LLC	Fall River Mills, CA	6 GWh	Feb 2014	Dec 2025	Solar
Expressway Solar C2	AES Distributed Energy	Victorville, CA	3 GWh	Oct 2014	Dec 2025	Solar
Expressway Solar B	AES Distributed Energy	Victorville, CA	4 GWh	Apr 2014	Dec 2025	Solar
Expressway Solar A	AES Distributed Energy	Victorville, CA	5 GWh	Apr 2014	Dec 2025	Solar
Summer North Solar	AES Distributed Energy	Lancaster, CA	13 GWh	Nov 2014	Dec 2025	Solar
Summer Solar D2	AES Distributed Energy	Lancaster, CA	2 GWh	Jun 2014	Dec 2025	Solar
Summer Solar C2	AES Distributed Energy	Lancaster, CA	3 GWh	May 2014	Dec 2025	Solar
Summer Solar B2	AES Distributed Energy	Lancaster, CA	3 GWh	May 2014	Dec 2025	Solar
Summer Solar A2	AES Distributed Energy	Lancaster, CA	3 GWh	May 2014	Dec 2025	Solar
Rodeo Solar D2	AES Distributed Energy	Lancaster, CA	3 GWh	Apr 2014	Dec 2025	Solar
Rodeo Solar C2	AES Distributed Energy	Lancaster, CA	4 GWh	Apr 2014	Dec 2025	Solar
Lancaster Dry Farm Ranch B	AES Distributed Energy	Lancaster, CA	10 GWh	Oct 2014	Dec 2025	Solar
North Bay Solar 1	AES Distributed Energy	Fairfield, CA	2 GWh	Jul 2013	Dec 2025	Solar
Orion Solar II	Orion Solar II, LLC	Arvin, CA	16 GWh	May 2014	Dec 2025	Solar
Orion Solar I	Orion Solar I LLC	Arvin, CA	27 GWh	Mar 2014	Dec 2025	Solar
North Star Solar	Southern Power Co	Mendota, CA	133 GWh	May 2015	Dec 2025	Solar
Lost Hills/Blackwell	Southern Power Co	Lost Hills, CA	59 GWh	Mar 2015	Dec 2025	Solar
ABEC Bidart-Old River LLC	ABEC Bidart-Old River LLC	Bakersfield, CA	16 GWh	Nov 2013	Dec 2025	Other Biomass Gas
Mira Loma	Costco Wholesale	Mira Loma, CA	2 GWh	Oct 2011	Dec 2025	Solar
Stateline Solar	Southern Power Co	Nipton, CA	640 GWh	Nov 2015	Dec 2025	Solar
Tulare 1 and 2	Arevon Energy, Inc.	Tulare, CA	5 GWh	Dec 2013	Dec 2025	Solar
Lancaster Baptist Church	Tesla Inc.	Lancaster, CA	1 GWh	Nov 2011	Dec 2025	Solar
Monterey Regional Water Pollution Contro	Tesla Inc.	Marina, CA	1 GWh	Nov 2010	Dec 2025	Solar
Western Antelope Dry Ranch	AES Distributed Energy	Lancaster, CA	26 GWh	Nov 2016	Dec 2025	Solar
Western Antelope Blue Sky Ranch A	AES Distributed Energy	Lancaster, CA	43 GWh	Oct 2014	Dec 2025	Solar
Santa Rita Jail Hybrid	County of Alameda GSA - (CA)	Dublin, CA	10 GWh	Aug 2001	Dec 2025	Natural Gas : 77.7% Solar : 22.3%
Transamerica Pyramid	Transamerica Pyramid Properties LLC	San Francisco, CA	4 MWh	Jun 2007	Dec 2025	Natural Gas
Westlands Solar PV Farm	Boralex US Operations LLC	Huron, CA	39 GWh	Jan 2014	Dec 2025	Solar
Otoe Solar Power Generation Station 1 LL	AES Distributed Energy	Apple Valley, CA	3 GWh	Nov 2013	Dec 2025	Solar
Powhatan Solar Power Generation Station	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2025	Solar
Navajo Solar Power Generation Station 1	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2025	Solar
Industry Solar Power Generation Station	AES Distributed Energy	Adelanto, CA	4 GWh	Nov 2013	Dec 2025	Solar
One Market Plaza	Paramount Group Inc	San Francisco, CA	1 GWh	Nov 2003	Dec 2025	Natural Gas
Solar Gen 2 Solar Facility	Southern Power Co	Calipatria, CA	377 GWh	Oct 2014	Dec 2025	Solar
Cascade Solar	Cascade Solar LLC	Joshua Tree, CA	51 GWh	Dec 2013	Dec 2025	Solar
Sierra Nevada Brewing Co Hybrid	Sierra Nevada Brewing Co	Chico, CA	11 GWh	Apr 2005	Dec 2025	Natural Gas : 65.7% Solar : 19.5% Other Biomass Gas : 14.9%
Oltmans SCE at Jurupa	California PV Energy LLC	Ontario, CA	2 GWh	Nov 2013	Dec 2025	Solar
Desert Green Solar Farm LLC	Invenergy Services LLC	Boulevard, CA	10 GWh	Oct 2014	Dec 2025	Solar
West Gates Solar Station	Pacific Gas & Electric Co.	Huron, CA	14 GWh	Apr 2013	Dec 2025	Solar
RE Victor Phelan Solar One LLC	MN8 Energy LLC	Adelanto, CA	45 GWh	Nov 2013	Dec 2025	Solar
Energy Center	University of Redlands	Redlands, CA	4 GWh	Jan 2007	Dec 2025	Natural Gas
North Sky River Energy LLC	North Sky River Energy LLC	Weldon, CA	365 GWh	Nov 2012	Dec 2025	Wind
TA-High Desert LLC	TA-High Desert LLC	Lancaster, CA	58 GWh	Feb 2013	Dec 2025	Solar
RE Kansas South LLC	RE Kansas South LLC	Lemoore, CA	51 GWh	May 2013	Dec 2025	Solar
Kaiser Ontario	Bloom Energy 2009 PPA	Ontario, CA	8 GWh	Sep 2012	Dec 2025	Natural Gas
Kaiser Downey	Bloom Energy 2009 PPA	Downey, CA	8 GWh	May 2012	Dec 2025	Natural Gas
La Joya Del Sol	CVI CleanCapital Solar 1 LLC	Fresno, CA	806 MWh	Nov 2012	Dec 2025	Solar
Foundation NWNA	Foundation CA Fund V Manager, LLC	Cabazon, CA	23 GWh	Nov 2012	Dec 2025	Wind
Foundation RRM	Foundation CA Fund V Manager, LLC	Cabazon, CA	10 GWh	Nov 2012	Dec 2025	Wind
Foundation Cemex Madison	Foundation CA Fund V Manager, LLC	Madison, CA	2 GWh	Jul 2012	Dec 2025	Wind
Foundation Cemex BMQ	Foundation CA Fund VI Manager LLC	Apple Valley, CA	4 GWh	Nov 2012	Dec 2025	Wind
Foundation Cemex River Plant	Foundation CA Fund VI Manager LLC	Victorville, CA	4 GWh	Nov 2012	Dec 2025	Wind
SEPV 2	CVI CleanCapital Solar 1 LLC	Twentynine Palms, CA	3 GWh	May 2012	Dec 2025	Solar
SEPV 1	CVI CleanCapital Solar 1 LLC	Palmdale, CA	3 GWh	Apr 2012	Dec 2025	Solar
Axium Modesto Solar	Axium US Solar Holdings LLC	Modesto, CA	53 GWh	Nov 2012	Dec 2025	Solar
Nickel 1 Solar Facility	Altus Power America Management, LLC	Lost Hills, CA	2 GWh	Oct 2012	Dec 2025	Solar
Copper Mountain Solar 2	RWE Clean Energy	Boulder City, NV	726 GWh	Jun 2012	Dec 2025	Solar
Alpaugh 50	RWE Clean Energy	Alpaugh, CA	57 GWh	Nov 2012	Dec 2025	Solar
Alpaugh North	RWE Clean Energy	Alpaugh, CA	21 GWh	Nov 2012	Dec 2025	Solar
Desert Sunlight 300, LLC	NextEra Energy Desert Sunlight 300, LLC	Desert Center, CA	620 GWh	Oct 2013	Dec 2025	Solar
Lincoln Landfill	Energy 2001 Inc	Lincoln, CA	29 GWh	Oct 2004	Dec 2025	Landfill Gas
Meridian Vineyards	CVI CleanCapital Solar 1 LLC	Paso Robles, CA	1 GWh	Nov 2010	Dec 2025	Solar
High Sierra Cogeneration Plant	Plumas Sierra Rural Electric Coop	Susanville, CA	33 GWh	Jan 2010	Dec 2025	Natural Gas
SF Southeast Cogen Plant	City & County of San Francisco - (CA)	San Francisco, CA	341 MWh	May 2002	Dec 2025	Other Biomass Gas
Butte College Main Campus Solar	Butte-Glenn Community College District	Oroville, CA	7 GWh	Jun 2011	Dec 2025	Solar
Brookfield Tehachapi 1	Coram California Development, L.P.	Mojave, CA	164 GWh	Feb 2012	Dec 2025	Wind
Heliocentric	Heliocentric LLC	Palmdale, CA	2 GWh	Feb 2012	Dec 2025	Solar
North Palm Springs 4A	Altus Power America Management, LLC	Palm Springs, CA	8 GWh	Sep 2012	Dec 2025	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#25	Arizona Public Service Company	25.8 TWh	102
#55	Arlington Valley, LLC	3.2 TWh	1
#38	Balancing Authority of Northern California	13.9 TWh	91
#49	Imperial Irrigation District	6.2 TWh	66
#29	Los Angeles Department of Water and Power	19.3 TWh	132
#22	Nevada Power Company	38.6 TWh	143
#51	PUD No. 1 of Douglas County	4.4 TWh	5
#19	Salt River Project Agricultural Improvement and Power District	60.5 TWh	51
#57	Turlock Irrigation District	1.9 TWh	11
#39	Western Area Power Administration - Desert Southwest Region	10.6 TWh	36

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	506.3 TWh	1,487
#5	Southwest Power Pool	314.5 TWh	876
#6	Southern Company Services, Inc. - Trans	259.3 TWh	423
#7	California Independent System Operator	168.7 TWh	2,170
#9	Tennessee Valley Authority	166.2 TWh	209
#10	Florida Power & Light Co.	153.0 TWh	188
#12	New York Independent System Operator	134.1 TWh	1,334
#13	Duke Energy Carolinas	113.4 TWh	578
#15	ISO New England	112.2 TWh	1,667
#16	Bonneville Power Administration	91.1 TWh	170