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 2025
Annual Generation	188.0 TWh
Power Plants	2,075
Utilities	965
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 \| 43.1% Solar \| 26.4% Water \| 11.1% Wind \| 10.6% Nuclear \| 9.4%

Map of California Independent System Operator

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for California Independent System Operator.

Create Your Account Today

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
Antelope DSR 2	AES Distributed Energy	Lancaster, CA	12 GWh	Nov 2016	Dec 2024	Solar
Western Antelope Blue Sky B	AES Distributed Energy	Lancaster, CA	50 GWh	Nov 2016	Dec 2024	Solar
Morgan Lancaster 1	Terraform Arcadia	Lancaster, CA	796 MWh	Aug 2015	Dec 2024	Solar
Antelope Big Sky Ranch	AES Distributed Energy	Lancaster, CA	54 GWh	Jul 2016	Dec 2024	Solar
Lancaster WAD B	AES Distributed Energy	Lancaster, CA	7 GWh	Mar 2017	Dec 2024	Solar
Summer Solar LLC	AES Distributed Energy	Lancaster, CA	49 GWh	Jun 2016	Dec 2024	Solar
Antelope Expansion 1B	AES Distributed Energy	Lancaster, CA	45 GWh	Oct 2022	Dec 2024	Solar
Central Antelope Dry Ranch B LLC	Central Antelope Dry Ranch B, LLC	Lancaster, CA	7 GWh	Aug 2017	Dec 2024	Solar
Portal Ridge Solar B, LLC	Portal Ridge Solar, LLC	Lancaster, CA	47 GWh	Jan 2017	Dec 2024	Solar
Green Beanworks B PV	AES Distributed Energy	Lancaster, CA	7 GWh	Nov 2018	Dec 2024	Solar
Portal Ridge Solar C, LLC	Portal Ridge Solar, LLC	Lancaster, CA	25 GWh	Jan 2017	Dec 2024	Solar
Bayshore Solar B, LLC	AES Distributed Energy	Lancaster, CA	45 GWh	Nov 2017	Dec 2024	Solar
Bayshore Solar C, LLC	AES Distributed Energy	Lancaster, CA	41 GWh	Nov 2017	Dec 2024	Solar
Bayshore Solar A, LLC	AES Distributed Energy	Lancaster, CA	46 GWh	Nov 2017	Dec 2024	Solar
Antelope DSR 3	AES Distributed Energy	Lancaster, CA	58 GWh	Aug 2019	Dec 2024	Solar
Foundation CDCR LAC	Foundation CA Fund VIII Manager, LLC	Lancaster, CA	5 GWh	Nov 2017	Dec 2024	Wind
Antelope Expansion 2	AES Distributed Energy	Lancaster, CA	271 GWh	Nov 2018	Sep 2025	Solar
Lancaster Little Rock	AES Distributed Energy	Landers, CA	3 GWh	Nov 2014	Dec 2024	Solar
J.R. Simplot Company	J.R. Simplot Company	Lathrop, CA	9 GWh	Sep 1993	Dec 2023	Waste Heat
Zonneveld Oak Grove	Renewable Solar, Inc	Laton, CA	3 GWh	May 2024	Dec 2024	Solar
Pastoria Energy Facility, LLC	Calpine Corp - Pastoria Energy Center	Lebec, CA	4 TWh	Apr 2005	Sep 2025	Natural Gas
IKEA Tejon 345	IKEA Property Inc	Lebec, CA	929 MWh	Mar 2011	Oct 2024	Solar
Lundy	Southern California Edison Co	Lee Vining, CA	7 GWh	Nov 1911	Dec 2024	Water
Poole	Southern California Edison Co	Lee Vining, CA	23 GWh	Apr 1924	Dec 2024	Water
Terminus Hydroelectric Project	Eagle Creek Renewable Energy, LLC	Lemon Cove, CA	42 GWh	Feb 1990	Jun 2024	Water
Henrietta Peaker	MRP San Joaquin Energy LLC.	Lemoore, CA	9 GWh	May 2002	Sep 2025	Natural Gas
Henrietta Solar Project	Southern Power Co	Lemoore, CA	218 GWh	Jul 2016	Dec 2024	Solar
RE Kansas Solar, LLC	Onward Energy	Lemoore, CA	36 GWh	Nov 2014	Dec 2024	Solar
RE Kent South, LLC	Onward Energy	Lemoore, CA	44 GWh	Nov 2014	Dec 2024	Solar
RE Kansas South LLC	RE Kansas South LLC	Lemoore, CA	49 GWh	May 2013	Dec 2024	Solar
RE Mustang LLC	MN8 Energy LLC	Lemoore, CA	221 GWh	Jul 2016	Dec 2024	Solar
American Kings Solar, LLC	MN8 Energy LLC	Lemoore, CA	334 GWh	Nov 2020	Sep 2025	Solar
Westside Solar Power PV1	Westside Assets LLC	Lemoore, CA	5 GWh	Apr 2016	Dec 2024	Solar
Java Solar, LLC	Java Solar, LLC	Lemoore, CA	27 GWh	Oct 2022	Dec 2024	Solar
Lemoore 1	AES Distributed Energy	Lemoore, CA	1 GWh	Jan 2016	Dec 2024	Solar
Solar Blue	Westlands Solar Blue (OZ) Owner, LLC	Lemoore, CA	658 GWh	Nov 2023	Sep 2025	Solar
Chestnut	Castanea Project LLC	Lemoore, CA	391 GWh	Nov 2023	Sep 2025	Solar
Aquamarine	Aquamarine Westside LLC	Lemoore, CA	679 GWh	Aug 2021	Sep 2025	Solar
Mustang Two	RE Mustang Two LLC	Lemoore, CA	407 GWh	Oct 2020	Sep 2025	Solar
Almond	Westlands Almond LLC	Lemoore, CA	39 GWh	Aug 2023	Dec 2024	Solar
Lemoore West	Leprino Foods	Lemoore, CA	14 GWh	Nov 2022	Dec 2024	Solar
Electrolyte BESS	Henrietta BESS LLC	Lemoore, CA	6 GWh	-	Sep 2025	Electricity used for energy storage
Lincoln WWTF Hybrid	Lincoln Solar Star, LLC	Lincoln, CA	6 GWh	Jul 2021	Dec 2024	Solar
Lincoln Landfill	Energy 2001 Inc	Lincoln, CA	29 GWh	Oct 2004	Dec 2024	Landfill Gas
Sierra Pacific Lincoln Facility	Sierra Pacific Industries	Lincoln, CA	94 GWh	Feb 2004	Dec 2024	Wood/Wood Waste Solids
Rio Bravo Rocklin	Rio Bravo Rocklin	Lincoln, CA	155 GWh	May 1989	Dec 2024	Wood/Wood Waste Solids : 99.1% Natural Gas : 0.9%
Ameresco San Joaquin	Ameresco San Joaquin, LLC	Linden, CA	31 GWh	Mar 2014	Dec 2024	Landfill Gas
Lindsay Solar	Altus Power America Management, LLC	Lindsay, CA	6 GWh	Dec 2013	Dec 2024	Solar
2127 Harris Solar Project	Solarenewal LLC	Live Oak, CA	1 GWh	Mar 2014	Dec 2024	Solar
Diablo Winds LLC	Sequitur Renewables, LLC	Livermore, CA	20 GWh	Nov 2004	Dec 2024	Wind
Altamont Gas Recovery	WM Renewable Energy LLC	Livermore, CA	39 GWh	Feb 1969	Dec 2024	Landfill Gas
Vasco Winds	Vasco Winds, LLC	Livermore, CA	223 GWh	Nov 2011	Dec 2024	Wind
Ameresco Vasco Road	Ameresco Vasco Road, LLC	Livermore, CA	32 GWh	Feb 2013	Dec 2024	Landfill Gas
Summit Winds	Greenbacker Renewable Energy Corporation	Livermore, CA	199 GWh	Jun 2021	Sep 2025	Wind
Golden Hills Wind	Golden Hills Wind, LLC	Livermore, CA	247 GWh	Nov 2015	Dec 2024	Wind
Golden Hills North Wind Energy Center	Golden Hills Interconnection Wind, LLC	Livermore, CA	149 GWh	Oct 2017	Sep 2025	Wind
CA- US Foods- Livermore	EDPRNA DG CA Livermore LLC	Livermore, CA	636 MWh	Jul 2024	Dec 2024	Solar
Whitethorn Solar LLC	Whitethorn Solar LLC	Livermore, CA	4 GWh	Jan 2016	Dec 2024	Solar
West Tambo Clean Power II	West Tambo Clean Power II	Livingston, CA	877 MWh	Oct 2024	Dec 2024	Solar
Lodi Energy Center	Northern California Power Agny	Lodi, CA	673 GWh	Oct 2012	Sep 2025	Natural Gas
Lodi	Northern California Power Agny	Lodi, CA	3 GWh	Jan 1986	Dec 2024	Natural Gas
Kettleman Solar Project	Ecos Energy LLC	Lodi, CA	3 GWh	Mar 2014	Dec 2024	Solar
Bear Creek Solar (CA)	Ecos Energy LLC	Lodi, CA	4 GWh	Jan 2014	Dec 2024	Solar
Combustion Turbine Project No 2	Northern California Power Agny	Lodi, CA	10 GWh	Mar 1996	Oct 2024	Natural Gas
Loma Linda University Cogen	Loma Linda University	Loma Linda, CA	63 GWh	Jan 1980	Sep 2025	Natural Gas
Strauss Wind Farm	Strauss Wind LLC	Lompoc, CA	230 GWh	Nov 2023	Sep 2025	Wind
Spring Gap	Pacific Gas & Electric Co.	Long Barn, CA	30 GWh	Aug 1921	Nov 2024	Water
Long Beach Generation LLC	Long Beach Generation LLC	Long Beach, CA	10 GWh	Nov 1976	Dec 2024	Natural Gas
AES Alamitos LLC	AES Alamitos LLC	Long Beach, CA	38 GWh	Aug 1956	Aug 2025	Natural Gas
Southeast Resource Recovery	SERRF Joint Powers Authority	Long Beach, CA	90 GWh	Jun 1988	Mar 2024	Non-biogenic Municipal Solid Waste : 51.7% Biogenic Municipal Solid Waste : 42.3% Natural Gas : 6.1%
THUMS	THUMS Long Beach Company	Long Beach, CA	207 GWh	Dec 2002	Sep 2025	Natural Gas
Dominguez Plant	Eco Services Corp.	Long Beach, CA	14 GWh	Jul 1976	Dec 2023	Waste Heat
Toyota Long Beach Trigen	Long Beach Trigen, LLC	Long Beach, CA	17 GWh	Oct 2023	Dec 2024	Other Biomass Gas
CSU Long Beach Lots 7 & 14	MN8 Energy LLC	Long Beach, CA	7 GWh	Nov 2017	Dec 2024	Solar
AES Alamitos Energy Center	AES Alamitos Energy, LLC	Long Beach, CA	2 TWh	Jan 2020	Sep 2025	Natural Gas
BCE Los Alamitos 1	Bright Canyon Energy	Los Alamitos, CA	19 GWh	Jul 2023	Dec 2024	Solar
BCE Los Alamitos 2	Bright Canyon Energy	Los Alamitos, CA	3 GWh	Jul 2023	Dec 2023	Solar
DirecTV - Los Angeles	Bloom Energy	Los Angeles, CA	8 GWh	Sep 2016	Dec 2024	Natural Gas
USPS PV	Altus Power America Management, LLC	Los Angeles, CA	10 GWh	Jun 2017	Dec 2024	Solar
Kaiser - LA	Bloom Energy	Los Angeles, CA	19 GWh	May 2020	Dec 2024	Natural Gas
Lafayette 2 - MLK Jr. Hospital (MLK)	MN8 Energy LLC	Los Angeles, CA	2 GWh	Jul 2020	Dec 2024	Solar
Lafayette 2 - Internal Services Dept	MN8 Energy LLC	Los Angeles, CA	3 GWh	Jul 2020	Dec 2024	Solar
Merced 1 PV	ZGlobal Inc	Los Banos, CA	7 GWh	Mar 2018	Dec 2024	Solar
Wright Solar Park	Wright Solar Park LLC	Los Banos, CA	411 GWh	Nov 2019	Sep 2025	Solar
Vega Solar	Vega Solar, LLC	Los Banos, CA	51 GWh	Feb 2015	Dec 2024	Solar
Dinosaur Point	International Turbine Res Inc	Los Banos, CA	5 GWh	Apr 1988	Jun 2024	Wind
Cottonwood Solar, LLC (Goose Lake)	Onward Energy	Lost Hills, CA	32 GWh	Apr 2015	Dec 2024	Solar
Roll Lost Hills	Bloom Energy	Lost Hills, CA	6 GWh	Nov 2012	Dec 2023	Natural Gas
Lost Hills Cogeneration Plant	AERA Energy LLC	Lost Hills, CA	9 GWh	Sep 1985	Dec 2024	Natural Gas
Nickel 1 Solar Facility	Altus Power America Management, LLC	Lost Hills, CA	2 GWh	Oct 2012	Dec 2024	Solar
Lost Hills/Blackwell	Southern Power Co	Lost Hills, CA	81 GWh	Mar 2015	Dec 2024	Solar
Coronal Lost Hills	Arevon Energy, Inc.	Lost Hills, CA	37 GWh	Apr 2015	Dec 2024	Solar
Morelos del Sol	Southern Power Co	Lost Hills, CA	30 GWh	Oct 2015	Dec 2024	Solar
Wonderful Orchards - Westside	Wonderful Renewable Energy, LLC.	Lost Hills, CA	13 GWh	Jul 2021	Dec 2024	Solar
Wonderful Orchards - Belridge	Wonderful Renewable Energy, LLC.	Lost Hills, CA	12 GWh	Nov 2020	Dec 2024	Solar
Blackwell Solar Park	Consolidated Edison Development Inc.	Lost Hills, CA	31 GWh	Dec 2018	Dec 2024	Solar
Wonderful Kings	Wonderful Renewable Energy, LLC.	Lost Hills, CA	8 GWh	Jul 2022	Dec 2024	Solar
Berrenda Mesa Water District	The Greater Light USA LLC	Lost Hills, CA	16 GWh	Jun 2023	Dec 2024	Solar
Wonderful Huller & Shelling	Wonderful Renewable Energy, LLC.	Lost Hills, CA	3 GWh	Jul 2021	Dec 2024	Solar
Chevron - Lost Hills Hybrid	MN8 Energy LLC	Lost Hills, CA	67 GWh	Mar 2020	Sep 2025	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#26	Arizona Public Service Company	23.9 TWh	92
#54	Arlington Valley, LLC	3.4 TWh	1
#36	Balancing Authority of Northern California	14.7 TWh	87
#47	Imperial Irrigation District	6.3 TWh	66
#29	Los Angeles Department of Water and Power	18.9 TWh	124
#22	Nevada Power Company	37.2 TWh	139
#60	New Harquahala Generating Company, LLC	764.0 GWh	1
#19	Salt River Project Agricultural Improvement and Power District	60.0 TWh	48
#56	Turlock Irrigation District	2.1 TWh	11
#39	Western Area Power Administration - Desert Southwest Region	9.8 TWh	33

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#4	Electric Reliability Council of Texas, Inc.	485.0 TWh	1,313
#5	Southwest Power Pool	299.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	188.0 TWh	2,075
#9	Tennessee Valley Authority	161.6 TWh	204
#10	Florida Power & Light Co.	148.9 TWh	187
#12	New York Independent System Operator	131.6 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565
#15	ISO New England	105.5 TWh	1,577
#16	Bonneville Power Administration	80.5 TWh	163