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
Solar Photovoltaic Project #32	Southern California Edison Co	Ontario, CA	1 GWh	Jan 2015	Apr 2023	Solar
Clovis North High School	Tesla Inc.	Fresno, CA	1 GWh	Nov 2017	Dec 2023	Solar
Solar Photovoltaic Project #05	Southern California Edison Co	Redlands, CA	1 GWh	Oct 2012	Apr 2023	Solar
CSD 2- Freedom High	CleanCapital Holdings	Oakley, CA	1 GWh	Jul 2013	Dec 2023	Solar
Pacific Ethanol Madera Solar Array	Seaboard Energy California, LLC	Madera, CA	1 GWh	Jul 2018	Dec 2023	Solar
Cottonwood Solar, LLC Cottonwood Carport	Onward Energy	Novato, CA	1 GWh	Apr 2016	Nov 2023	Solar
Division 3	Tesla Inc.	Lancaster, CA	1 GWh	May 2014	Dec 2023	Solar
SunEdison Procter & Gamble Oxnard	SunE U6 Holdings LLC	Oxnard, CA	1 GWh	Sep 2009	Dec 2023	Solar
SDCCD - Miramar	CleanCapital Holdings	San Diego, CA	1 GWh	Jan 2011	Dec 2023	Solar
Gilead Foster City Solar Project	Gilead Sciences Inc. Foster City	Foster City, CA	1 GWh	Mar 2021	Dec 2023	Solar
Solar Photovoltaic Project #16	Southern California Edison Co	Redlands, CA	1 GWh	Jan 2015	Mar 2023	Solar
2127 Harris Solar Project	Solarenewal LLC	Live Oak, CA	2 GWh	Mar 2014	Dec 2023	Solar
CSUF State College	MN8 Energy LLC	Fullerton, CA	2 GWh	Nov 2016	Dec 2023	Solar
Agriculture Capital - Legacy Packing	Distributed Solar Development, LLC	Dinuba, CA	2 GWh	Nov 2022	Dec 2023	Solar
Staples La Mirada, CA	SunE WF3-ST Holdings, LLC	La Mirada, CA	2 GWh	Feb 2009	Dec 2023	Solar
San Joaquin 2	Pacific Gas & Electric Co.	North Fork, CA	2 GWh	Aug 1917	Feb 2023	Water
Pleasanton - Amador Valley High School	Westbound Solar LLC	Pleasanton, CA	2 GWh	Oct 2019	Dec 2022	Solar
Terra Francesco	Altus Power America Management, LLC	Ontario, CA	2 GWh	Feb 2015	Dec 2023	Solar
Alticor Inc - Solar Project	MN8 Energy LLC	Buena Park, CA	2 GWh	Nov 2017	Dec 2023	Solar
Dinuba Wastewater Treatment Plant	AES Distributed Energy	Dinuba, CA	2 GWh	Oct 2011	Dec 2023	Solar
Las Virgenes Municipal Water District	Tesla Inc.	Calabasas, CA	2 GWh	Jan 2014	Dec 2023	Solar
Kettering Solar 1	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Dec 2023	Solar
Cloverdale Solar I	Altus Power America Management, LLC	Cloverdale, CA	2 GWh	May 2014	Dec 2023	Solar
Grassland 3&4 Solar Project	Yolo County of	Davis, CA	2 GWh	Jun 2013	Nov 2023	Solar
Vacaville	Janssen Pharmaceutical Co	Vacaville, CA	2 GWh	Aug 2007	Dec 2022	Solar
San Antonio West Solar Rooftop	SS San Antonio West LLC	Chino, CA	2 GWh	Jul 2012	Dec 2023	Solar
Panoche Peaker	Wellhead Services, Inc	Firebaugh, CA	2 GWh	Jul 1973	Dec 2023	Natural Gas
Gridley Main	Altus Power America Management, LLC	Gridley, CA	2 GWh	Feb 2013	Dec 2023	Solar
Tahquitz High School	AES Distributed Energy	Hemet, CA	2 GWh	Aug 2012	Dec 2023	Solar
Irwindale Brew Yard, LLC	Irwindale Brew Yard, LLC	Irwindale, CA	2 GWh	Jan 2002	Aug 2024	Solar : 98.2% Other Biomass Gas : 1.8%
Foundation Cemex Madison	Foundation CA Fund V Manager, LLC	Madison, CA	2 GWh	Jul 2012	Dec 2023	Wind
Stage Gulch Solar	Stage Gulch Solar, LLC	Petaluma, CA	2 GWh	Mar 2018	Dec 2023	Solar
Bishop Ranch - BR 1-Y	Distributed Solar Development, LLC	San Ramon, CA	2 GWh	Feb 2022	Dec 2023	Solar
Teichert Materials-Teichert Vernalis	Foundation HA Energy Generation, LLC	San Joaquin, CA	2 GWh	Sep 2010	Dec 2023	Wind
Dos Palos	Greenbacker Renewable Energy Corporation	Dos Palos, CA	2 GWh	Oct 2021	Dec 2023	Solar
Firebaugh-CCS-PV-1	Mike Woolf Farming	Firebaugh, CA	2 GWh	Feb 2015	Dec 2023	Solar
Kroger La Habra	Ralph's Grocery Company	La Habra, CA	2 GWh	Mar 2020	Dec 2023	Solar
North Bay Solar 1	AES Distributed Energy	Fairfield, CA	2 GWh	Jul 2013	Dec 2023	Solar
Stanton Energy Reliability Center Hybrid	Wellhead Services, Inc	Stanton, CA	2 GWh	Jun 2020	Aug 2024	Natural Gas
Freeway Springs	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Sep 2016	Dec 2023	Solar
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
AltaGas Ripon Energy Inc.	AltaGas Ripon Energy Inc.	Ripon, CA	2 GWh	Mar 1988	Aug 2024	Natural Gas
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%
Castle Rock Vineyards	Castle Rock Cooling	Delano, CA	2 GWh	Aug 2010	Dec 2023	Solar
Robert O Schulz Solar Farm	South San Joaquin Irr District	Oakdale, CA	2 GWh	Apr 2008	Dec 2023	Solar
West Village Solar - Array 2 Community Solar	CHF-Davis I, LLC	Davis, CA	2 GWh	Apr 2022	Dec 2023	Solar
Oltmans SCE at Jurupa	California PV Energy LLC	Ontario, CA	2 GWh	Nov 2013	Dec 2023	Solar
Niagara Bottling Stockton	EnterSolar	Stockton, CA	2 GWh	Dec 2017	Dec 2023	Solar
Chula Vista Energy Center	Wellhead Services, Inc	Chula Vista, CA	2 GWh	Apr 2001	Dec 2023	Natural Gas
Golden Springs Building C-1	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Jan 2012	Dec 2023	Solar
Catalina Express	Altus Power America Management, LLC	San Pedro, CA	2 GWh	Nov 2020	Dec 2023	Solar
Foundation Wal-Mart Red Bluff	Foundation CA Fund VI Manager LLC	Red Bluff, CA	2 GWh	Aug 2012	Aug 2024	Wind
Lavio Solar	Lavio Solar, LLC	Petaluma, CA	2 GWh	Mar 2018	Dec 2023	Solar
West Village Solar - Array 1Community Solar	CHF-Davis I, LLC	Davis, CA	2 GWh	Apr 2022	Dec 2023	Solar
Walnut Unified School District Walnut HS Hybrid	Tesla Inc.	Walnut, CA	2 GWh	Jan 2020	Dec 2023	Solar
Foundation ST	Foundation HA Energy Generation, LLC	Tracy, CA	2 GWh	May 2011	Dec 2023	Wind
Summer Solar C2	AES Distributed Energy	Lancaster, CA	2 GWh	May 2014	Dec 2023	Solar
Madera Community Hospital	CleanCapital Holdings	Madera, CA	2 GWh	Sep 2011	Jul 2023	Solar
CA - Ventura Co CCD - Moorpark College	Forefront Power, LLC	Moorpark, CA	2 GWh	Jul 2023	Dec 2023	Solar
Santa Rosa Junior College Petaluma Solar	Sonoma County Junior College District	Petaluma, CA	2 GWh	Jun 2018	Dec 2023	Solar
Marina South	Altus Power America Management, LLC	San Pedro, CA	2 GWh	Nov 2020	Dec 2023	Solar
Sheep Creek Community Solar Farm	Phelan Solar LLC	El Mirage, CA	2 GWh	Jul 2023	Dec 2023	Solar
SeaWorld Aquatica	Onyx Asset Services Group	Chula Vista, CA	2 GWh	Apr 2018	Dec 2023	Solar
City of Madera WWTP	SunE GIL1, LLC	Madera, CA	2 GWh	Aug 2009	Sep 2023	Solar
Bear Valley Power Plant	Bear Valley Electric Service	Big Bear Lake, CA	2 GWh	Dec 2004	Dec 2023	Natural Gas
Solar Photovoltaic Project #28	Southern California Edison Co	San Bernardino, CA	2 GWh	Jan 2015	Apr 2023	Solar
Grassland 1&2 Solar Project	Yolo County of	Davis, CA	2 GWh	Jun 2013	Dec 2023	Solar
Grizzly	City of Santa Clara - (CA)	N/A, CA	2 GWh	Oct 1993	Dec 2023	Water
CSD 2 - Heritage High	CleanCapital Holdings	Brentwood, CA	2 GWh	Aug 2013	Dec 2023	Solar
Golden Springs Building D	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Feb 2012	Dec 2023	Solar
RE-VFO LLC	RE-VFO LLC	Visalia, CA	2 GWh	Apr 2009	Dec 2023	Solar
Solar Photovoltaic Project #13	Southern California Edison Co	Redlands, CA	2 GWh	Jan 2015	Apr 2023	Solar
Temescal Canyon RV, LLC	Temescal Canyon RV, LLC	Corona, CA	2 GWh	Apr 2011	Dec 2023	Solar
Lake Elsinore Canopies - Lakeside HS	Standard Solar	Lake Elsinore, CA	2 GWh	Feb 2022	Dec 2023	Solar
Bakersfield Industrial PV 1	AES Distributed Energy	Bakersfield, CA	2 GWh	Nov 2017	Dec 2023	Solar
California PV Energy at ISD WWTP	California PV Energy LLC	Oakley, CA	2 GWh	Jul 2014	Dec 2023	Solar
Summer Solar D2	AES Distributed Energy	Lancaster, CA	2 GWh	Jun 2014	Dec 2023	Solar
Victor Mesa Linda C2	AES Distributed Energy	Victorville, CA	2 GWh	Oct 2014	Dec 2023	Solar
Corcoran	Terraform Arcadia	Corcoran, CA	2 GWh	Dec 2013	Dec 2023	Solar
Palo Verde College	Scale Sustainable I, LLC	Blythe, CA	2 GWh	Jul 2009	Dec 2023	Solar
2081 Terzian Solar Project	Solarenewal LLC	Reedley, CA	2 GWh	Jan 2014	Dec 2023	Solar
SCCCD - Clovis Community College	Forefront Power, LLC	Fresno, CA	2 GWh	Nov 2018	Dec 2023	Solar
PFMG Solar Grossmont Helix LLC	Altus Power America Management, LLC	La Mesa, CA	2 GWh	Apr 2018	Dec 2023	Solar
Medline Ind. Phase 2 Tracy	EnterSolar	Tracy, CA	2 GWh	Mar 2018	Dec 2023	Solar
CDCR (CA) - Pleasant Valley State Prison	Team-Solar, Inc.	Coalinga, CA	2 GWh	Jun 2014	Dec 2023	Solar
Building G	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Aug 2016	Dec 2023	Solar
Grossmont HS Solar Project	MN8 Energy LLC	El Cajon, CA	2 GWh	Nov 2018	Dec 2023	Solar
Rio Hondo	Metropolitan Water District of S CA	South Gate, CA	2 GWh	Feb 1984	Aug 2023	Water
Fresno Hoover High School Hybrid	Forefront Power, LLC	Fresno, CA	2 GWh	Feb 2020	Dec 2023	Solar : 99.3% Electricity used for energy storage : 0.7%
POM Plant 1	Wonderful Renewable Energy, LLC.	Del Rey, CA	2 GWh	Nov 2021	Dec 2023	Solar
Bakersfield College Solar 01	Kern Community College District	Bakersfield, CA	2 GWh	Oct 2010	Dec 2022	Solar
Victor Mesa Linda B2	AES Distributed Energy	Victorville, CA	2 GWh	Oct 2014	Dec 2023	Solar
Nunn	CD US Solar MT 2 LLC	Apple Valley, CA	2 GWh	Jun 2013	Dec 2023	Solar
Solar Star Palo Alto I, LLC	DG 1 Acquisition Co., LLC	Palo Alto, CA	2 GWh	Jul 2019	Dec 2023	Solar
Santa Fe Springs Rooftop Solar BLDG H	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Feb 2015	Dec 2023	Solar
Fresno Bullard High School Hybrid	Forefront Power, LLC	Fresno, CA	2 GWh	Feb 2020	Dec 2023	Solar
Building F	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Oct 2016	Dec 2023	Solar
Dulles	Golden Springs Development Company LLC	Jurupa Valley, CA	2 GWh	Aug 2016	Dec 2023	Solar
Cloverdale Solar Center	Adapture Renewables, Inc.	Cloverdale, CA	2 GWh	Apr 2019	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