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	Jul 2026
Annual Generation	169.4 TWh
Power Plants	2,135
Utilities	988
Ranked #7 out of 64 in terms of net annual generation
Ranked #12 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 34% Solar \| 30% Water \| 12.4% Wind \| 11.3% Nuclear \| 11%

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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
Fremont - Kato Rd	Tesla Inc.	Fremont, CA	2 GWh	Nov 2016	Dec 2025	Solar
Broadway 3 - UCSB Lot 38	MN8 Energy LLC	Santa Barbara, CA	3 GWh	Nov 2016	Dec 2025	Solar
University of San Diego	Bloom Energy 2009 PPA	San Diego, CA	8 GWh	Nov 2016	Dec 2025	Natural Gas
Wildwood Solar II	Duke Energy Renewables Services	Wasco, CA	39 GWh	Dec 2016	Dec 2025	Solar
Oro Loma	RWE Clean Energy	Oro Loma, CA	49 GWh	Dec 2016	Dec 2025	Solar
CED Avenal	RWE Clean Energy	Avenal, CA	16 GWh	Dec 2016	Dec 2025	Solar
Algonquin SKIC 10 Solar, LLC	Algonquin Power Co	Taft, CA	16 GWh	Dec 2016	Dec 2025	Solar
CA Dept of Public Health at Richmond	California PV Energy LLC	Richmond, CA	4 GWh	Dec 2016	Dec 2025	Solar
Portal Ridge Solar B, LLC	Portal Ridge Solar, LLC	Lancaster, CA	53 GWh	Jan 2017	Dec 2025	Solar
Portal Ridge Solar C, LLC	Portal Ridge Solar, LLC	Lancaster, CA	29 GWh	Jan 2017	Dec 2025	Solar
Lindberg Field Solar 2	Lindberg Field Solar 2, LLC	San Diego, CA	2 GWh	Jan 2017	Dec 2025	Solar
Chaffey College Rancho Cucamonga Campus	Chaffey Community College District	Rancho Cucamonga, CA	7 GWh	Jan 2017	Dec 2025	Solar
FLEX Gibraltar	Bloom Energy	Milpitas, CA	8 GWh	Jan 2017	Dec 2025	Natural Gas
Whitney Point Solar	Whitney Point Solar, LLC	Five Points, CA	54 GWh	Feb 2017	Dec 2025	Solar
NextEra Westside PV	Westside Solar, LLC	Five Points, CA	26 GWh	Feb 2017	Dec 2025	Solar
Stanford Campus Solar	MN8 Energy LLC	Stanford, CA	6 GWh	Feb 2017	Dec 2025	Solar
Lancaster WAD B	AES Distributed Energy	Lancaster, CA	7 GWh	Mar 2017	Dec 2025	Solar
Solar Blythe 2	NRG Solar Blythe II LLC	Blythe, CA	41 GWh	Mar 2017	Dec 2025	Solar
Ramona Solar Energy	San Diego Gas & Electric Co	Ramona, CA	2 GWh	Mar 2017	Dec 2025	Solar
ATT Kelvin	Bloom Energy	Irvine, CA	8 GWh	Mar 2017	Dec 2025	Natural Gas
Kaiser Deer Valley Rd. Fuel Cell	2016 ESA Project Company, LLC	Antioch, CA	11 GWh	Mar 2017	Dec 2025	Natural Gas
Waste Mangement Redwood LFGTE	WM Renewable Energy LLC	Novato, CA	22 GWh	Apr 2017	Dec 2025	Landfill Gas
Genentech Vacaville Meter #1	Tesla Inc.	Vacaville, CA	12 GWh	Apr 2017	Dec 2025	Solar
Apple Campus 2 PV	Apple, Inc	Cupertino, CA	16 GWh	May 2017	Dec 2025	Solar
Giffen Solar Park	Giffen Solar Park, LLC	Cantua Creek, CA	20 GWh	May 2017	Dec 2025	Solar
Apple Campus 2 Fuel Cell	Apple, Inc	Cupertino, CA	31 GWh	May 2017	Dec 2025	Landfill Gas
PVN Milliken, LLC	PVN Milliken, LLC	Ontario, CA	5 GWh	May 2017	Dec 2025	Solar
Kaiser Napa Valley Corporate Dr Fuel Cel	2016 ESA Project Company, LLC	Napa, CA	39 GWh	May 2017	Dec 2025	Natural Gas
Jacumba Solar Farm	Invenergy Services LLC	Jacumba, CA	46 GWh	Jun 2017	Dec 2025	Solar
USPS PV	Altus Power America Management, LLC	Los Angeles, CA	11 GWh	Jun 2017	Dec 2025	Solar
Hellyer Solar Farm	County of Santa Clara - (CA)	San Jose, CA	241 MWh	Jul 2017	Dec 2025	Solar
Aspiration G	AES Distributed Energy	Cantua Creek, CA	21 GWh	Aug 2017	Dec 2025	Solar
Central Antelope Dry Ranch B LLC	Central Antelope Dry Ranch B, LLC	Lancaster, CA	6 GWh	Aug 2017	Dec 2025	Solar
SunAnza	Arizona Electric Pwr Coop Inc	Anza, CA	8 GWh	Aug 2017	Dec 2025	Solar
Foundation Scheid Vineyards	Foundation CA Fund VIII Manager, LLC	Greenfield, CA	4 GWh	Aug 2017	Dec 2025	Wind
One Ten Partners PV	One Ten Partners, LLC	Palmdale, CA	6 GWh	Aug 2017	Dec 2025	Solar
Kaiser East La Palma Ave. Fuel Cell	2016 ESA Project Company, LLC	Anaheim, CA	18 GWh	Aug 2017	Dec 2025	Natural Gas
Kaiser Owens Dr. Fuel Cell	2016 ESA Project Company, LLC	Pleasanton, CA	8 GWh	Aug 2017	Dec 2025	Natural Gas
Equinix Lundy Ave. Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	31 GWh	Aug 2017	Dec 2025	Natural Gas
Equinix Douglas St. Fuel Cell	2016 ESA Project Company, LLC	El Segundo, CA	15 GWh	Aug 2017	Dec 2025	Natural Gas
Equinix Maple Ave. Fuel Cell	2016 ESA Project Company, LLC	El Segundo, CA	8 GWh	Aug 2017	Dec 2025	Natural Gas
SCDA Solar 1	SCDA Solar 1, LLC	Sacramento, CA	14 GWh	Sep 2017	Dec 2025	Solar
Malech Solar Farm	County of Santa Clara - (CA)	San Jose, CA	5 GWh	Sep 2017	Dec 2025	Solar
CA Flats Solar 130, LLC	California Flats Solar 130, LLC	Shandon, CA	255 GWh	Oct 2017	May 2026	Solar
Cuyama Solar, LLC	Cuyama Solar, LLC	Cuyama, CA	59 GWh	Oct 2017	May 2026	Solar
Golden Hills North Wind Energy Center	Golden Hills Interconnection Wind, LLC	Livermore, CA	130 GWh	Oct 2017	May 2026	Wind
Berry NMW Cogens	Berry Petroleum Co	Bakersfield, CA	76 GWh	Oct 2017	Dec 2025	Natural Gas
Tule Wind LLC	Avangrid Power LLC	Boulevard, CA	339 GWh	Nov 2017	May 2026	Wind
Great Valley Solar Portfolio Holdings, L	RWE Clean Energy	Cantua Creek, CA	491 GWh	Nov 2017	May 2026	Solar
Bayshore Solar B, LLC	AES Distributed Energy	Lancaster, CA	42 GWh	Nov 2017	Dec 2025	Solar
Bayshore Solar C, LLC	AES Distributed Energy	Lancaster, CA	41 GWh	Nov 2017	Dec 2025	Solar
Bayshore Solar A, LLC	AES Distributed Energy	Lancaster, CA	44 GWh	Nov 2017	Dec 2025	Solar
Redwood 4 Solar Farm	54 KR 8me LLC	Edison, CA	19 GWh	Nov 2017	Dec 2025	Solar
Marin Clean Energy Solar One	AES Distributed Energy	Richmond, CA	21 GWh	Nov 2017	Dec 2025	Solar
Foundation CDCR LAC	Foundation CA Fund VIII Manager, LLC	Lancaster, CA	4 GWh	Nov 2017	Dec 2025	Wind
Manteca Land PV	AES Distributed Energy	Manteca, CA	2 GWh	Nov 2017	Dec 2025	Solar
Delano Land 1	AES Distributed Energy	Delano, CA	892 MWh	Nov 2017	Dec 2025	Solar
Bakersfield PV 1	AES Distributed Energy	Bakersfield, CA	6 GWh	Nov 2017	Dec 2025	Solar
Bakersfield Industrial PV 1	AES Distributed Energy	Bakersfield, CA	1 GWh	Nov 2017	Oct 2025	Solar
Madera 1 PV	ZGlobal Inc	Madera, CA	3 GWh	Nov 2017	Dec 2025	Solar
Vandenberg Solar Project	MN8 Energy LLC	Vandenberg Airforce B, CA	39 GWh	Nov 2017	Dec 2025	Solar
UC Riverside Lots 30 & 32	MN8 Energy LLC	Riverside, CA	7 GWh	Nov 2017	Dec 2025	Solar
CSU Long Beach Lots 7 & 14	MN8 Energy LLC	Long Beach, CA	7 GWh	Nov 2017	Dec 2025	Solar
Equinix Caspian Dr. Fuel Cell	2016 ESA Project Company, LLC	Sunnyvale, CA	39 GWh	Nov 2017	Dec 2025	Natural Gas
Mission College Blvd. Fuel Cell	2016 ESA Project Company, LLC	Santa Clara, CA	36 GWh	Nov 2017	Dec 2025	Natural Gas
Equinix Great Oaks Blvd. Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	27 GWh	Nov 2017	Dec 2025	Natural Gas
Alticor Inc - Solar Project	MN8 Energy LLC	Buena Park, CA	1 GWh	Nov 2017	Dec 2025	Solar
Clovis North High School	Tesla Inc.	Fresno, CA	2 GWh	Nov 2017	Dec 2025	Solar
Niagara Bottling Stockton	ClearGen LLC	Stockton, CA	2 GWh	Dec 2017	Dec 2025	Solar
EQX015 Great Oaks Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	31 GWh	Dec 2017	Dec 2025	Natural Gas
Panoche Valley Solar Farm	RWE Clean Energy	Paicines, CA	240 GWh	Dec 2017	May 2026	Solar
Kilroy Solar	Nautilus Solar Solutions	San Diego, CA	6 GWh	Dec 2017	Dec 2025	Solar
ABEC #2 dba West-Star Dairy	ABEC #2 LLC	Buttonwillow, CA	8 GWh	Jan 2018	Dec 2025	Other Biomass Gas
ABEC #3 dba Lakeview Dairy	ABEC #3 LLC	Bakersfield, CA	5 GWh	Jan 2018	Dec 2025	Other Biomass Gas
ABEC #4 dba CE&S Dairy	ABEC #4 LLC	Bakersfield, CA	7 GWh	Jan 2018	Dec 2025	Other Biomass Gas
Gaskell West 1 Solar Facility	Southern Power Co	Lancaster, CA	56 GWh	Feb 2018	Dec 2025	Solar
Tranquillity ID	Tranquillity Solar 1, LLC	Tranquillity, CA	2 GWh	Feb 2018	Dec 2025	Solar
Medline Ind. Phase 2 Tracy	Powerflex	Tracy, CA	2 GWh	Mar 2018	Aug 2025	Solar
KSR028 Merced Fuel Cell	2016 ESA Project Company, LLC	San Leandro, CA	16 GWh	Mar 2018	Dec 2025	Natural Gas
Clovis High School	Tesla Inc.	Clovis, CA	2 GWh	Mar 2018	Dec 2025	Solar
Clovis East High School	Tesla Inc.	Clovis, CA	1 GWh	Mar 2018	Dec 2025	Solar
Merced 1 PV	ZGlobal Inc	Los Banos, CA	6 GWh	Mar 2018	Dec 2025	Solar
Stage Gulch Solar	Stage Gulch Solar, LLC	Petaluma, CA	2 GWh	Mar 2018	Dec 2025	Solar
Lavio Solar	Lavio Solar, LLC	Petaluma, CA	2 GWh	Mar 2018	Dec 2025	Solar
San Joaquin Solar	GASNA 6P, LLC	San Joaquin, CA	22 GWh	Apr 2018	Dec 2025	Solar
Stenner Creek Solar	Stenner Creek Solar LLC	San Luis Obispo, CA	10 GWh	Apr 2018	Dec 2025	Solar
SeaWorld Aquatica	Onyx Asset Services Group	Chula Vista, CA	2 GWh	Apr 2018	Dec 2024	Solar
PFMG Solar Grossmont Helix LLC	Altus Power America Management, LLC	La Mesa, CA	2 GWh	Apr 2018	Dec 2025	Solar
Central CA Fuel Cell 1, LLC	Cordia	Tulare, CA	13 GWh	Apr 2018	Dec 2025	Natural Gas
KSR053 Cantara Fuel Cell	2016 ESA Project Company, LLC	Panorama City, CA	12 GWh	Apr 2018	Dec 2025	Natural Gas
RPUWD Scheuer Well Solar Project	MN8 Energy LLC	San Bernardino, CA	1 GWh	May 2018	Dec 2025	Solar
Santa Rosa Junior College Petaluma Solar	Sonoma County Junior College District	Petaluma, CA	2 GWh	Jun 2018	Dec 2025	Solar
Micro Santa Clara	Bloom Energy	San Jose, CA	25 GWh	Jun 2018	Dec 2025	Natural Gas
California City	MN8 Energy LLC	California City, CA	5 GWh	Jun 2018	Dec 2025	Solar
Prologis L.P	Powerflex	Tracy, CA	6 GWh	Jul 2018	Dec 2025	Solar
Las Positas College	Chabot Las Positas Community College District	Livermore, CA	2 GWh	Jul 2018	Dec 2025	Solar
Green Beanworks C PV	AES Distributed Energy	Palmdale, CA	8 GWh	Jul 2018	Dec 2025	Solar
Green Beanworks D PV	AES Distributed Energy	Palmdale, CA	6 GWh	Jul 2018	Dec 2025	Solar
Foundation California Training Facility	Foundation CA Fund IX Manager, LLC	Soledad, CA	6 GWh	Jul 2018	Dec 2025	Wind
Foundation SaIinas Valley State Prison	Foundation CA Fund IX Manager, LLC	Soledad, CA	5 GWh	Jul 2018	Dec 2025	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#25	Arizona Public Service Company	25.2 TWh	100
#54	Arlington Valley, LLC	3.2 TWh	1
#38	Balancing Authority of Northern California	13.7 TWh	90
#49	Imperial Irrigation District	6.2 TWh	66
#29	Los Angeles Department of Water and Power	18.8 TWh	131
#22	Nevada Power Company	36.8 TWh	143
#51	PUD No. 1 of Douglas County	4.4 TWh	4
#19	Salt River Project Agricultural Improvement and Power District	60.3 TWh	49
#57	Turlock Irrigation District	1.9 TWh	11
#40	Western Area Power Administration - Desert Southwest Region	10.4 TWh	34

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	494.1 TWh	1,471
#5	Southwest Power Pool	306.8 TWh	856
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#7	California Independent System Operator	169.4 TWh	2,135
#9	Tennessee Valley Authority	163.4 TWh	207
#10	Florida Power & Light Co.	152.2 TWh	187
#12	New York Independent System Operator	134.3 TWh	1,299
#13	Duke Energy Carolinas	112.6 TWh	577
#15	ISO New England	111.1 TWh	1,629
#16	Bonneville Power Administration	91.6 TWh	167