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
Walnut Unified School District Walnut HS Hybrid	Tesla Inc.	Walnut, CA	2 GWh	Jan 2020	Dec 2023	Solar
West Village Solar - Array 1Community Solar	CHF-Davis I, LLC	Davis, CA	2 GWh	Apr 2022	Dec 2023	Solar
Lavio Solar	Lavio Solar, LLC	Petaluma, CA	2 GWh	Mar 2018	Dec 2023	Solar
Foundation Wal-Mart Red Bluff	Foundation CA Fund VI Manager LLC	Red Bluff, CA	2 GWh	Aug 2012	Aug 2024	Wind
Catalina Express	Altus Power America Management, LLC	San Pedro, CA	2 GWh	Nov 2020	Dec 2023	Solar
Golden Springs Building C-1	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Jan 2012	Dec 2023	Solar
Chula Vista Energy Center	Wellhead Services, Inc	Chula Vista, CA	2 GWh	Apr 2001	Dec 2023	Natural Gas
Niagara Bottling Stockton	EnterSolar	Stockton, CA	2 GWh	Dec 2017	Dec 2023	Solar
Oltmans SCE at Jurupa	California PV Energy LLC	Ontario, CA	2 GWh	Nov 2013	Dec 2023	Solar
West Village Solar - Array 2 Community Solar	CHF-Davis I, LLC	Davis, CA	2 GWh	Apr 2022	Dec 2023	Solar
Robert O Schulz Solar Farm	South San Joaquin Irr District	Oakdale, CA	2 GWh	Apr 2008	Dec 2023	Solar
Castle Rock Vineyards	Castle Rock Cooling	Delano, CA	2 GWh	Aug 2010	Dec 2023	Solar
North City - Landfill Gas Engines South	City of San Diego	San Diego, CA	2 GWh	Feb 1999	Dec 2022	Landfill Gas : 84.1% Natural Gas : 15.9%
AltaGas Ripon Energy Inc.	AltaGas Ripon Energy Inc.	Ripon, CA	2 GWh	Mar 1988	Aug 2024	Natural Gas
Kettering Solar 2	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Dec 2023	Solar
Lancaster Solar 1	PsomasFMG Lancaster Solar Crest, LLC	Lancaster, CA	2 GWh	Oct 2014	Dec 2023	Solar
Freeway Springs	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Sep 2016	Dec 2023	Solar
Stanton Energy Reliability Center Hybrid	Wellhead Services, Inc	Stanton, CA	2 GWh	Jun 2020	Aug 2024	Natural Gas
North Bay Solar 1	AES Distributed Energy	Fairfield, CA	2 GWh	Jul 2013	Dec 2023	Solar
Kroger La Habra	Ralph's Grocery Company	La Habra, CA	2 GWh	Mar 2020	Dec 2023	Solar
Firebaugh-CCS-PV-1	Mike Woolf Farming	Firebaugh, CA	2 GWh	Feb 2015	Dec 2023	Solar
Dos Palos	Greenbacker Renewable Energy Corporation	Dos Palos, CA	2 GWh	Oct 2021	Dec 2023	Solar
Teichert Materials-Teichert Vernalis	Foundation HA Energy Generation, LLC	San Joaquin, CA	2 GWh	Sep 2010	Dec 2023	Wind
Bishop Ranch - BR 1-Y	Distributed Solar Development, LLC	San Ramon, CA	2 GWh	Feb 2022	Dec 2023	Solar
Stage Gulch Solar	Stage Gulch Solar, LLC	Petaluma, CA	2 GWh	Mar 2018	Dec 2023	Solar
Foundation Cemex Madison	Foundation CA Fund V Manager, LLC	Madison, CA	2 GWh	Jul 2012	Dec 2023	Wind
Irwindale Brew Yard, LLC	Irwindale Brew Yard, LLC	Irwindale, CA	2 GWh	Jan 2002	Aug 2024	Solar : 98.2% Other Biomass Gas : 1.8%
Tahquitz High School	AES Distributed Energy	Hemet, CA	2 GWh	Aug 2012	Dec 2023	Solar
Gridley Main	Altus Power America Management, LLC	Gridley, CA	2 GWh	Feb 2013	Dec 2023	Solar
Panoche Peaker	Wellhead Services, Inc	Firebaugh, CA	2 GWh	Jul 1973	Dec 2023	Natural Gas
San Antonio West Solar Rooftop	SS San Antonio West LLC	Chino, CA	2 GWh	Jul 2012	Dec 2023	Solar
Vacaville	Janssen Pharmaceutical Co	Vacaville, CA	2 GWh	Aug 2007	Dec 2022	Solar
Grassland 3&4 Solar Project	Yolo County of	Davis, CA	2 GWh	Jun 2013	Nov 2023	Solar
Cloverdale Solar I	Altus Power America Management, LLC	Cloverdale, CA	2 GWh	May 2014	Dec 2023	Solar
Kettering Solar 1	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Dec 2023	Solar
Las Virgenes Municipal Water District	Tesla Inc.	Calabasas, CA	2 GWh	Jan 2014	Dec 2023	Solar
Dinuba Wastewater Treatment Plant	AES Distributed Energy	Dinuba, CA	2 GWh	Oct 2011	Dec 2023	Solar
Alticor Inc - Solar Project	MN8 Energy LLC	Buena Park, CA	2 GWh	Nov 2017	Dec 2023	Solar
Terra Francesco	Altus Power America Management, LLC	Ontario, CA	2 GWh	Feb 2015	Dec 2023	Solar
Pleasanton - Amador Valley High School	Westbound Solar LLC	Pleasanton, CA	2 GWh	Oct 2019	Dec 2022	Solar
San Joaquin 2	Pacific Gas & Electric Co.	North Fork, CA	2 GWh	Aug 1917	Feb 2023	Water
Staples La Mirada, CA	SunE WF3-ST Holdings, LLC	La Mirada, CA	2 GWh	Feb 2009	Dec 2023	Solar
Agriculture Capital - Legacy Packing	Distributed Solar Development, LLC	Dinuba, CA	2 GWh	Nov 2022	Dec 2023	Solar
CSUF State College	MN8 Energy LLC	Fullerton, CA	2 GWh	Nov 2016	Dec 2023	Solar
2127 Harris Solar Project	Solarenewal LLC	Live Oak, CA	2 GWh	Mar 2014	Dec 2023	Solar
Solar Photovoltaic Project #16	Southern California Edison Co	Redlands, CA	1 GWh	Jan 2015	Mar 2023	Solar
Gilead Foster City Solar Project	Gilead Sciences Inc. Foster City	Foster City, CA	1 GWh	Mar 2021	Dec 2023	Solar
SDCCD - Miramar	CleanCapital Holdings	San Diego, CA	1 GWh	Jan 2011	Dec 2023	Solar
SunEdison Procter & Gamble Oxnard	SunE U6 Holdings LLC	Oxnard, CA	1 GWh	Sep 2009	Dec 2023	Solar
Division 3	Tesla Inc.	Lancaster, CA	1 GWh	May 2014	Dec 2023	Solar
Cottonwood Solar, LLC Cottonwood Carport	Onward Energy	Novato, CA	1 GWh	Apr 2016	Nov 2023	Solar
Pacific Ethanol Madera Solar Array	Seaboard Energy California, LLC	Madera, CA	1 GWh	Jul 2018	Dec 2023	Solar
CSD 2- Freedom High	CleanCapital Holdings	Oakley, CA	1 GWh	Jul 2013	Dec 2023	Solar
Solar Photovoltaic Project #05	Southern California Edison Co	Redlands, CA	1 GWh	Oct 2012	Apr 2023	Solar
Clovis North High School	Tesla Inc.	Fresno, CA	1 GWh	Nov 2017	Dec 2023	Solar
Solar Photovoltaic Project #32	Southern California Edison Co	Ontario, CA	1 GWh	Jan 2015	Apr 2023	Solar
Clovis East High School	Tesla Inc.	Clovis, CA	1 GWh	Mar 2018	Dec 2023	Solar
Meridian Vineyards	CVI CleanCapital Solar 1 LLC	Paso Robles, CA	1 GWh	Nov 2010	Dec 2023	Solar
Solar Photovoltaic Project #15	Southern California Edison Co	Fontana, CA	1 GWh	Dec 2012	Apr 2023	Solar
West Valley High School Solar	AES Distributed Energy	Hemet, CA	1 GWh	Aug 2012	Dec 2023	Solar
Arrache 4013	CD US Solar MT 2 LLC	Palmdale, CA	1 GWh	Jul 2013	Dec 2023	Solar
ASTI	Perpetual Energy Systems	Cloverdale, CA	1 GWh	Jan 2009	Dec 2023	Solar
Beringer	Perpetual Energy Systems	Saint Helena, CA	1 GWh	Dec 2008	Dec 2023	Solar
Kings River Syphon	Orange Cove Irrigation District	Sanger, CA	1 GWh	Aug 1990	May 2023	Water
FRV SI Transport Solar LP	FRV SI Transport Solar, L.P. (Sacremento)	Sacramento, CA	1 GWh	Jul 2010	Dec 2023	Solar
Newberry Solar 1 LLC	Newberry Solar 1 LLC	Newberry Springs, CA	1 GWh	Nov 2013	Dec 2023	Solar
Clovis High School	Tesla Inc.	Clovis, CA	1 GWh	Mar 2018	Dec 2023	Solar
SunEdison Walgreens Moreno Valley	SunE WG113 Moreno Valley LLC	Moreno Valley, CA	1 GWh	Aug 2007	Dec 2023	Solar
SunEdison Ironwood State Prison	SunE CPA CDC2 LLC	Blythe, CA	1 GWh	Apr 2008	Dec 2023	Solar
Oltmans SCE at Champagne	California PV Energy LLC	Ontario, CA	1 GWh	Nov 2013	Dec 2023	Solar
Broadway 3 - UC Merced 1	MN8 Energy LLC	Merced, CA	1 GWh	Sep 2009	Dec 2023	Solar
Division 2	Tesla Inc.	Lancaster, CA	1 GWh	May 2014	Nov 2023	Solar
City of Rosamond (CA)	Standard Solar	Rosamond, CA	1 GWh	Apr 2023	Dec 2023	Solar
Solar Photovoltaic Project #23	Southern California Edison Co	Fontana, CA	1 GWh	Dec 2012	Apr 2023	Solar
Chuckawalla Valley State Prison	SunE CPA CDC1 LLC	Blythe, CA	1 GWh	May 2006	Dec 2023	Solar
Colton Solar Two, LLC	Colton Solar Two, LLC	Colton, CA	1 GWh	Mar 2015	Dec 2023	Solar
Monterey Regional Water Pollution Control Agency	Tesla Inc.	Marina, CA	1 GWh	Nov 2010	Dec 2023	Solar
ZCO	Wind Stream Operations LLC	Tehachapi, CA	1 GWh	Nov 1985	Dec 2023	Wind
SunE- E Philadelphia Ontario	SunEdison LLC	Ontario, CA	1 GWh	Feb 2016	Dec 2023	Solar
CA-DGS RFP-Salinas Valley State Prison	Forefront Power, LLC	Soledad, CA	1 GWh	Oct 2023	Dec 2023	Solar
Valley View	Metropolitan Water District of S CA	Yorba Linda, CA	1 GWh	Oct 1985	Dec 2022	Water
CSU Fresno Solar Project	MMA Fresno Power LP	Fresno, CA	1 GWh	Nov 2007	Dec 2023	Solar
Solar Photovoltaic Project #18	Southern California Edison Co	Fontana, CA	1 GWh	Oct 2012	Mar 2023	Solar
FTF-PackingShed	Family Tree Farms	Reedley, CA	1 GWh	May 2013	Dec 2023	Solar
Kohls San Bernardino Solar Facility	SunE WF3 KHL A Holdings, LLC	San Bernardino, CA	1 GWh	Oct 2007	Dec 2023	Solar
SunE Rochester	SunE Solar XVI Lessor, LLC	Rancho Cucamonga, CA	1 GWh	Jul 2016	Oct 2023	Solar
Solar Photovoltaic Project #33	Southern California Edison Co	Ontario, CA	1 GWh	Dec 2014	Apr 2023	Solar
Rock Creek LP	Hydroland Omega LLC	Placerville, CA	1 GWh	Mar 1986	Apr 2023	Water
One Market Plaza	Paramount Group Inc	San Francisco, CA	993 MWh	Nov 2003	Dec 2023	Natural Gas
Delano Land 1	AES Distributed Energy	Delano, CA	990 MWh	Nov 2017	Dec 2023	Solar
SunEdison Walmart Apple Valley DC	SunE M5 Holdings LLC	Apple Valley, CA	969 MWh	Feb 2009	Dec 2023	Solar
Lancaster Baptist Church	Tesla Inc.	Lancaster, CA	957 MWh	Nov 2011	Dec 2023	Solar
CSUCI Site Authority	CSUCI Site Authority	Camarillo, CA	956 MWh	Feb 1988	Jul 2024	Natural Gas
Crystal Farms Local Solar	Crystal Farms Local Solar, LLC	San Joaquin, CA	932 MWh	Oct 2023	Dec 2023	Solar
Cawelo Water District Solar	Scooby Solar, LLC	Famoso, CA	927 MWh	Sep 2023	Dec 2023	Solar
Castor Solar	ZGlobal Inc	Dustin Acres, CA	917 MWh	Mar 2016	Dec 2023	Solar
Buidling L	Golden Springs Development Company LLC	Santa Fe Springs, CA	899 MWh	Oct 2016	Dec 2023	Solar
Mariani Packing Vacaville Solar	SunE U6 Holdings LLC	Vacaville, CA	891 MWh	Oct 2008	Dec 2023	Solar
Edwards Air Force Base	CleanCapital Holdings	Edwards, CA	866 MWh	Nov 2011	Dec 2023	Solar
Industry MetroLink PV 1	City of Industry	Industry, CA	860 MWh	Mar 2012	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