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
Pumpjack Solar I	Deriva Energy	McKittrick, CA	51 GWh	Dec 2014	Dec 2025	Solar
City of Soledad Water Reclamation	Foundation HA Energy Generation, LLC	Soledad, CA	4 GWh	Oct 2014	Dec 2025	Wind
Taylor Farms	Foundation HA Energy Generation, LLC	Gonzales, CA	4 GWh	Oct 2014	Dec 2025	Wind
Catalina Solar 2, LLC	Onward Energy	Rosamond, CA	55 GWh	Jul 2015	Dec 2025	Solar
Quinto Solar PV Project	Arevon Energy, Inc.	Gustine, CA	243 GWh	Oct 2015	Dec 2025	Solar
SCE-Snowline-Duncan Road (North)	SunEdison LLC	Phelan, CA	3 GWh	Sep 2014	Dec 2025	Solar
SCE-Snowline-Duncan Road (South)	SunEdison LLC	Phelan, CA	2 GWh	Sep 2014	Dec 2025	Solar
Wildwood Solar I, LLC	Deriva Energy	Wasco, CA	48 GWh	Jan 2015	Dec 2025	Solar
City of Tulare Water Facility	City of Tulare Water Pollution Control - (CA)	Tulare, CA	16 GWh	Dec 1990	Dec 2025	Natural Gas : 61.0% Other Biomass Gas : 20.1% Solar : 19.0%
Diamond Valley Solar Project	Ecos Energy LLC	Winchester, CA	2 GWh	Dec 2014	Dec 2025	Solar
Shafter Solar LLC	Shafter Solar LLC	Bakersfield, CA	41 GWh	Apr 2015	Dec 2025	Solar
Madelyn Solar, LLC	CD US Solar PO 3, LLC	Silver Lake, CA	2 GWh	Nov 2014	Dec 2025	Solar
Rudy Solar, LLC	CD US Solar PO 3, LLC	Silver Lake, CA	3 GWh	Nov 2014	Dec 2025	Solar
Mitchell Solar, LLC	CD US Solar PO 3, LLC	Silver Lake, CA	4 GWh	Nov 2014	Dec 2025	Solar
Algonquin SKIC20 Solar LLC	Algonquin Power Co	Taft, CA	41 GWh	Apr 2015	Dec 2025	Solar
Corcoran Solar 2	RWE Clean Energy	Corcoran, CA	47 GWh	Apr 2015	Dec 2025	Solar
Atwell Island West Solar	RWE Clean Energy	Alpaugh, CA	52 GWh	Apr 2015	Dec 2025	Solar
Anaheim Solar Energy Plant	Anaheim Public Utilities	Anaheim, CA	2 GWh	Jul 2014	Dec 2025	Solar
SCE-Snowline-White Road (South)	SunEdison LLC	Phelan, CA	3 GWh	Oct 2014	Dec 2025	Solar
SCE-Snowline-White Road (North)	SunEdison LLC	Phelan, CA	3 GWh	Oct 2014	Dec 2025	Solar
SCE-Snowline-White Rd (Central)	SunEdison LLC	Phelan, CA	3 GWh	Oct 2014	Dec 2025	Solar
Baker Creek Hydroelectric	Baker Station Associates, LP	Bridgeville, CA	3 GWh	Oct 2014	Dec 2025	Water
Sierra Solar Greenworks	AES Distributed Energy	Lancaster, CA	41 GWh	Oct 2015	Dec 2025	Solar
Adelanto Solar II, LLC	Adelanto Solar II, LLC	Adelanto, CA	18 GWh	Jun 2015	Dec 2025	Solar
Adelanto Solar, LLC	Adelanto Solar, LLC	Adelanto, CA	59 GWh	Aug 2015	Dec 2025	Solar
TA-Acacia, LLC	Onward Energy	Lancaster, CA	48 GWh	Oct 2014	Dec 2025	Solar
Bowerman Power LFG, LLC	Bowerman Power LFG, LLC	Irvine, CA	151 GWh	Mar 2016	Dec 2025	Landfill Gas
Alamo Solar	Onward Energy	Oro Grande, CA	49 GWh	Apr 2015	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
Five Points Solar Park	Boralex US Operations LLC	Five Points, CA	81 GWh	Aug 2016	Dec 2025	Solar
Blackwell Solar Park	RWE Clean Energy	Lost Hills, CA	39 GWh	Dec 2018	Dec 2025	Solar
Solar Oasis LLC	Solar Oasis, LLC	Palmdale, CA	53 GWh	Dec 2015	Dec 2025	Solar
Coronus Adelanto West 1	Clean Focus Yield, LLC	Adelanto, CA	3 GWh	Dec 2014	Dec 2025	Solar
Coronus Adelanto West 2	Clean Focus Yield, LLC	Adelanto, CA	3 GWh	Dec 2014	Dec 2025	Solar
Park Meridian #1	Altus Power America Management, LLC	Riverside, CA	3 GWh	Feb 2015	Dec 2025	Solar
Rancho Cucamonga Dist #1	Altus Power America Management, LLC	Rancho Cucamonga, CA	3 GWh	Mar 2015	Dec 2025	Solar
Terra Francesco	Altus Power America Management, LLC	Ontario, CA	2 GWh	Feb 2015	Dec 2025	Solar
Vega Solar	Vega Solar, LLC	Los Banos, CA	49 GWh	Feb 2015	Dec 2025	Solar
Apple Campus 2 Fuel Cell	Apple, Inc	Cupertino, CA	31 GWh	May 2017	Dec 2025	Landfill Gas
Colton Solar One, LLC	Colton Solar One, LLC	San Bernardino, CA	4 GWh	May 2015	Dec 2025	Solar
Colton Solar Two, LLC	Colton Solar Two, LLC	Colton, CA	789 MWh	Mar 2015	Dec 2025	Solar
Tropico Solar PV Plant	Arevon Energy, Inc.	Delano, CA	32 GWh	Aug 2016	Dec 2025	Solar
Nicolis Solar PV Plant	Arevon Energy, Inc.	Delano, CA	46 GWh	Aug 2016	Dec 2025	Solar
Maricopa West Solar PV, LLC	Onward Energy	Taft, CA	50 GWh	Nov 2015	Dec 2025	Solar
AP North Lake I, LP	AP North Lake I, LP	Hemet, CA	46 GWh	Jul 2015	Dec 2025	Solar
Kettleman Solar -Centaurus	Boralex US Operations LLC	Kettleman City, CA	43 GWh	Jun 2015	Dec 2025	Solar
Coronal Lost Hills	Arevon Energy, Inc.	Lost Hills, CA	35 GWh	Apr 2015	Dec 2025	Solar
SPI Anderson 2	Sierra Pacific Industries	Anderson, CA	122 GWh	Jul 2015	Dec 2025	Wood/Wood Waste Solids : 99.3% Natural Gas : 0.7%
Sun Harvest Solar NDP1	Altus Power America Management, LLC	Dos Palos, CA	3 GWh	Apr 2015	Dec 2025	Solar
Cottonwood Solar, LLC Cottonwood Carport	Onward Energy	Novato, CA	1 GWh	Apr 2016	Dec 2025	Solar
SEPV 18	AES Distributed Energy	Palmdale, CA	4 GWh	Dec 2015	Dec 2025	Solar
Aspiration G	AES Distributed Energy	Cantua Creek, CA	21 GWh	Aug 2017	Dec 2025	Solar
Citizen B	AES Distributed Energy	Mendota, CA	9 GWh	Nov 2015	Dec 2025	Solar
Lancaster WAD B	AES Distributed Energy	Lancaster, CA	7 GWh	Mar 2017	Dec 2025	Solar
SEPV Mojave West	AES Distributed Energy	Mojave, CA	53 GWh	May 2016	Dec 2025	Solar
DSH (CA) - Coalinga State Hospital	Team-Solar, Inc.	Coalinga, CA	4 GWh	Jun 2014	Dec 2025	Solar
CDCR (CA) - Pleasant Valley State Prison	Team-Solar, Inc.	Coalinga, CA	3 GWh	Jun 2014	Dec 2025	Solar
Maxim	Bloom Energy	San Jose, CA	7 GWh	Jul 2014	Dec 2025	Natural Gas
Pixar - Emeryville	Bloom Energy	Emeryville, CA	7 GWh	Dec 2013	Dec 2025	Natural Gas
Copper Mountain Solar 4, LLC	RWE Clean Energy	Boulder City, NV	248 GWh	Aug 2016	Dec 2025	Solar
Kingbird A Solar LLC	Arevon Energy, Inc.	Rosamond, CA	38 GWh	Mar 2016	Dec 2025	Solar
UC Davis South Campus	Solar Star California XXXII, LLC	Davis, CA	12 GWh	Feb 2015	Dec 2025	Solar
Riverside RWQCP Fuel Cell	Riverside Fuel Cell, LLC	Riverside, CA	7 GWh	Jul 2016	Dec 2025	Other Biomass Gas : 72.9% Natural Gas : 27.1%
Windhub Solar A LLC	EDP Renewables North America LLC	Mojave, CA	48 GWh	Nov 2019	Dec 2025	Solar
Corcoran Solar 3	RWE Clean Energy	Corcoran, CA	48 GWh	Jan 2016	Dec 2025	Solar
Oro Loma	RWE Clean Energy	Oro Loma, CA	49 GWh	Dec 2016	Dec 2025	Solar
SunE- E Philadelphia Ontario	SunEdison LLC	Ontario, CA	2 GWh	Feb 2016	Dec 2025	Solar
RE Tranquillity	Southern Power Co	Cantua Creek, CA	485 GWh	Jun 2016	Dec 2025	Solar
Morgan Lancaster 1	Terraform Arcadia	Lancaster, CA	818 MWh	Aug 2015	Dec 2025	Solar
Potrero Hills Energy Producers	Potrero Hills Energy Producers, LLC	Suisun City, CA	56 GWh	Mar 2016	Dec 2025	Landfill Gas
Western Antelope Blue Sky B	AES Distributed Energy	Lancaster, CA	52 GWh	Nov 2016	Dec 2025	Solar
North Lancaster Ranch	AES Distributed Energy	Lancaster, CA	39 GWh	Nov 2016	Dec 2025	Solar
Central Antelope Dry Ranch C	AES Distributed Energy	Lancaster, CA	39 GWh	Apr 2016	Dec 2025	Solar
Columbia Solar Energy, LLC	Columbia Solar Energy LLC	Pittsburg, CA	12 GWh	Sep 2015	Dec 2025	Solar
Morelos del Sol	Southern Power Co	Lost Hills, CA	31 GWh	Oct 2015	Dec 2025	Solar
Adera Solar	AES Distributed Energy	Chowchilla, CA	33 GWh	Nov 2015	Dec 2025	Solar
SunE Rochester	SunE Solar XVI Lessor, LLC	Rancho Cucamonga, CA	946 MWh	Jul 2016	Dec 2025	Solar
Tequesquite Landfill Solar PV Project	Solar Star California XXXI, LLC	Riverside, CA	11 GWh	Sep 2015	Dec 2025	Solar
Frontier Solar LLC	Boralex US Operations LLC	Newman, CA	48 GWh	May 2016	Dec 2025	Solar
Golden Hills Wind	Golden Hills Wind, LLC	Livermore, CA	253 GWh	Nov 2015	Dec 2025	Wind
Lindberg FIeld Solar	Lindberg Field Solar I LLC	San Diego, CA	3 GWh	Aug 2015	Dec 2025	Solar
CED Avenal	RWE Clean Energy	Avenal, CA	16 GWh	Dec 2016	Dec 2025	Solar
CED Ducor 1	RWE Clean Energy	Ducor, CA	52 GWh	Nov 2016	Dec 2025	Solar
CED Ducor 2	RWE Clean Energy	Ducor, CA	52 GWh	Nov 2016	Dec 2025	Solar
CED Ducor 3	RWE Clean Energy	Ducor, CA	38 GWh	Nov 2016	Dec 2025	Solar
CED Ducor 4	RWE Clean Energy	Ducor, CA	52 GWh	Nov 2016	Dec 2025	Solar
AVS Lancaster 1	Tesla Inc.	Lancaster, CA	6 GWh	Nov 2016	Dec 2025	Solar
US-TOPCO (Soccer Center)	Tesla Inc.	Lancaster, CA	4 GWh	Nov 2016	Dec 2025	Solar
Kingbird B Solar, LLC	Arevon Energy, Inc.	Rosamond, CA	55 GWh	Mar 2016	Dec 2025	Solar
Blythe Solar 110, LLC	Blythe Solar 110, LLC	Blythe, CA	284 GWh	Feb 2016	Dec 2025	Solar
Building F	Golden Springs Development Company LLC	Santa Fe Springs, CA	1 GWh	Oct 2016	Dec 2025	Solar
Building G	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Aug 2016	Dec 2025	Solar
Buidling L	Golden Springs Development Company LLC	Santa Fe Springs, CA	1 GWh	Oct 2016	Dec 2025	Solar
Dulles	Golden Springs Development Company LLC	Jurupa Valley, CA	2 GWh	Aug 2016	Dec 2025	Solar
Freeway Springs	Golden Springs Development Company LLC	Santa Fe Springs, CA	3 GWh	Sep 2016	Dec 2025	Solar
Antelope DSR 2	AES Distributed Energy	Lancaster, CA	14 GWh	Nov 2016	Dec 2025	Solar
Whitethorn Solar LLC	Whitethorn Solar LLC	Livermore, CA	5 GWh	Jan 2016	Dec 2025	Solar
Zero Waste Energy Development Co LLC	Zero Waste Energy Development Company LLC	San Jose, CA	224 MWh	Jan 2015	Dec 2025	Other Biomass Gas
Equinix San Jose	Bloom Energy	San Jose, CA	7 GWh	Oct 2015	Dec 2025	Natural Gas

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