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
Enerparc CA1 LLC	CleanCapital Holdings	Hollister, CA	3 GWh	May 2014	Dec 2025	Solar
Adobe Solar	Southern Power Co	Arvin, CA	36 GWh	Apr 2014	Dec 2025	Solar
Rodeo Solar C2	AES Distributed Energy	Lancaster, CA	4 GWh	Apr 2014	Dec 2025	Solar
Rodeo Solar D2	AES Distributed Energy	Lancaster, CA	3 GWh	Apr 2014	Dec 2025	Solar
Expressway Solar A	AES Distributed Energy	Victorville, CA	5 GWh	Apr 2014	Dec 2025	Solar
Expressway Solar B	AES Distributed Energy	Victorville, CA	4 GWh	Apr 2014	Dec 2025	Solar
Ameresco San Joaquin	Ameresco San Joaquin, LLC	Linden, CA	25 GWh	Mar 2014	Dec 2025	Landfill Gas
Vintner Solar	Ecos Energy LLC	Templeton, CA	4 GWh	Mar 2014	Dec 2025	Solar
Kettleman Solar Project	Ecos Energy LLC	Lodi, CA	3 GWh	Mar 2014	Dec 2025	Solar
Orion Solar I	Orion Solar I LLC	Arvin, CA	27 GWh	Mar 2014	Dec 2025	Solar
2127 Harris Solar Project	Solarenewal LLC	Live Oak, CA	1 GWh	Mar 2014	Dec 2024	Solar
2097 Helton Solar Project	Solarenewal LLC	Merced, CA	2 GWh	Mar 2014	Dec 2024	Solar
Solar Star 1	Solar Star California XIX, LLC	Rosamond, CA	887 GWh	Feb 2014	May 2026	Solar
Solar Star 2	Solar Star California XX, LLC	Rosamond, CA	748 GWh	Feb 2014	May 2026	Solar
Shasta Solar Farm	Ignite Solar Holdings LLC	Fall River Mills, CA	6 GWh	Feb 2014	Dec 2025	Solar
SCC - San Jose	Bloom Energy	San Jose, CA	8 GWh	Feb 2014	Dec 2025	Natural Gas
Exeter Solar	Altus Power America Management, LLC	Exeter, CA	6 GWh	Jan 2014	Dec 2025	Solar
Ameresco Forward	Ameresco Forward, LLC	Manteca, CA	32 GWh	Jan 2014	Dec 2025	Landfill Gas
Bear Creek Solar (Lodi)	Ecos Energy LLC	Lodi, CA	4 GWh	Jan 2014	Nov 2025	Solar
Westlands Solar PV Farm	Boralex US Operations LLC	Huron, CA	39 GWh	Jan 2014	Dec 2025	Solar
2081 Terzian Solar Project	Solarenewal LLC	Reedley, CA	2 GWh	Jan 2014	Dec 2024	Solar
Las Virgenes Municipal Water District	Tesla Inc.	Calabasas, CA	1 GWh	Jan 2014	Dec 2025	Solar
Escondido Energy Center	Wellhead Services, Inc	Escondido, CA	3 GWh	Dec 2013	Dec 2025	Natural Gas
Ivanhoe Solar	Altus Power America Management, LLC	Visalia, CA	5 GWh	Dec 2013	Dec 2025	Solar
Lindsay Solar	Altus Power America Management, LLC	Lindsay, CA	7 GWh	Dec 2013	Dec 2025	Solar
Porterville Solar	Altus Power America Management, LLC	Porterville, CA	6 GWh	Dec 2013	Dec 2025	Solar
Alta Wind X	Alta Wind X, LLC	Mojave, CA	361 GWh	Dec 2013	Dec 2025	Wind
Alta Wind XI	Alta Wind XI, LLC	Mojave, CA	251 GWh	Dec 2013	Dec 2025	Wind
Rutan	CD US Solar MT 2 LLC	Palmdale, CA	3 GWh	Dec 2013	Dec 2025	Solar
RE Rosamond One LLC	MN8 Energy LLC	Rosamond, CA	51 GWh	Dec 2013	Dec 2025	Solar
RE Rosamond Two LLC	MN8 Energy LLC	Rosamond, CA	49 GWh	Dec 2013	Dec 2025	Solar
RE Columbia 3 LLC	MN8 Energy LLC	Mojave, CA	23 GWh	Dec 2013	Dec 2025	Solar
Cascade Solar	Cascade Solar LLC	Joshua Tree, CA	51 GWh	Dec 2013	Dec 2025	Solar
Tulare 1 and 2	Arevon Energy, Inc.	Tulare, CA	5 GWh	Dec 2013	Dec 2025	Solar
Pixar - Emeryville	Bloom Energy	Emeryville, CA	7 GWh	Dec 2013	Dec 2025	Natural Gas
Corcoran	Terraform Arcadia	Corcoran, CA	2 GWh	Dec 2013	Dec 2025	Solar
Ivanpah 2	NRG Energy Services	Nipton, CA	236 GWh	Nov 2013	May 2026	Solar : 96.8% Natural Gas : 3.2%
Ivanpah 1	NRG Energy Services	Nipton, CA	197 GWh	Nov 2013	May 2026	Solar : 96.2% Natural Gas : 3.8%
Ivanpah 3	NRG Energy Services	Nipton, CA	211 GWh	Nov 2013	May 2026	Solar : 96.5% Natural Gas : 3.5%
RE Victor Phelan Solar One LLC	MN8 Energy LLC	Adelanto, CA	45 GWh	Nov 2013	Dec 2025	Solar
Kingsburg Solar	Altus Power America Management, LLC	Kingsburg, CA	6 GWh	Nov 2013	Dec 2025	Solar
RE Rio Grande Solar LLC	MN8 Energy LLC	Mojave, CA	10 GWh	Nov 2013	Dec 2025	Solar
Desert Hot Springs Solar	RWE Clean Energy	Desert Hot Springs, CA	3 GWh	Nov 2013	Dec 2025	Solar
Sonora 1	CleanCapital Holdings	Jamestown, CA	858 MWh	Nov 2013	Dec 2025	Solar
Oltmans SCE at Champagne	California PV Energy LLC	Ontario, CA	2 GWh	Nov 2013	Dec 2025	Solar
Oltmans SCE at Jurupa	California PV Energy LLC	Ontario, CA	2 GWh	Nov 2013	Dec 2025	Solar
Industry Solar Power Generation Station	AES Distributed Energy	Adelanto, CA	4 GWh	Nov 2013	Dec 2025	Solar
Navajo Solar Power Generation Station 1	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2025	Solar
Powhatan Solar Power Generation Station	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2025	Solar
Otoe Solar Power Generation Station 1 LL	AES Distributed Energy	Apple Valley, CA	3 GWh	Nov 2013	Dec 2025	Solar
ABEC Bidart-Old River LLC	ABEC Bidart-Old River LLC	Bakersfield, CA	16 GWh	Nov 2013	Dec 2025	Other Biomass Gas
Valley Center 1	MN8 Energy LLC	Valley Center, CA	4 GWh	Nov 2013	Dec 2025	Solar
Valley Center 2	MN8 Energy LLC	Valley Center, CA	8 GWh	Nov 2013	Dec 2025	Solar
Ramona 1	MN8 Energy LLC	Ramona, CA	3 GWh	Nov 2013	Dec 2025	Solar
Ramona 2	MN8 Energy LLC	Ramona, CA	9 GWh	Nov 2013	Dec 2025	Solar
E&B Resources	Terraform Arcadia	Bakersfield, CA	2 GWh	Nov 2013	Dec 2025	Solar
CDCR (CA) - Solano State Prison	SunE Solano SP Owner, LLC	Vacaville, CA	2 GWh	Nov 2013	Dec 2025	Solar
CDCR (CA) - Corcoran State Prison	SunE Corcoran SP Owner, LLC	Corcoran, CA	7 GWh	Nov 2013	Dec 2025	Solar
CDCR (CA) - Wasco State Prison	SunE Wasco SP Owner, LLC	Wasco, CA	3 GWh	Nov 2013	Dec 2025	Solar
Imperial Valley Solar, LLC	Imperial Valley Solar, LLC	Calexico, CA	442 GWh	Oct 2013	Dec 2025	Solar
Genesis Solar Energy Project	Genesis Solar LLC	Blythe, CA	600 GWh	Oct 2013	May 2026	Solar
Imperial Solar Energy Center South	CSOLAR IV South LLC	Calexico, CA	251 GWh	Oct 2013	Dec 2025	Solar
Desert Sunlight 300, LLC	NextEra Energy Desert Sunlight 300, LLC	Desert Center, CA	620 GWh	Oct 2013	Dec 2025	Solar
Desert Sunlight 250, LLC	NextEra Energy Desert Sunlight 250, LLC	Desert Center, CA	517 GWh	Oct 2013	Dec 2025	Solar
Ma	CD US Solar MT 2 LLC	Lancaster, CA	2 GWh	Sep 2013	Dec 2025	Solar
Horn	CD US Solar MT 2 LLC	Lancaster, CA	4 GWh	Sep 2013	Dec 2025	Solar
Campo Verde Solar	Southern Power Co	El Centro, CA	293 GWh	Sep 2013	Dec 2025	Solar
University of California Santa Cruz	University of California Santa Cruz	Santa Cruz, CA	34 GWh	Aug 2013	Dec 2025	Natural Gas : 91.4% Solar : 8.6%
Arrache 8083	CD US Solar MT 2 LLC	Palmdale, CA	3 GWh	Aug 2013	Dec 2025	Solar
CSD 2 - Heritage High	CleanCapital Holdings	Brentwood, CA	2 GWh	Aug 2013	Dec 2025	Solar
Kellogg's - San Jose	Bloom Energy	San Jose, CA	9 GWh	Aug 2013	Dec 2025	Natural Gas
Russell City Energy Center	Russell City Energy Company LLC	Hayward, CA	2 TWh	Jul 2013	May 2026	Natural Gas
Guernsey Solar Station	Pacific Gas & Electric Co.	Hanford, CA	22 GWh	Jul 2013	Dec 2025	Solar
Corcoran Solar	RWE Clean Energy	Corcoran, CA	22 GWh	Jul 2013	Dec 2025	Solar
Arrache 4006	CD US Solar MT 2 LLC	Palmdale, CA	2 GWh	Jul 2013	Dec 2025	Solar
Arrache 4013	CD US Solar MT 2 LLC	Palmdale, CA	4 GWh	Jul 2013	Dec 2025	Solar
Watts 3115	CD US Solar MT 2 LLC	Adelanto, CA	4 GWh	Jul 2013	Dec 2025	Solar
North Bay Solar 1	AES Distributed Energy	Fairfield, CA	2 GWh	Jul 2013	Dec 2025	Solar
CSD 2- Freedom High	CleanCapital Holdings	Oakley, CA	1 GWh	Jul 2013	Dec 2025	Solar
El Segundo Energy Center LLC	NRG Energy Services LLC	El Segundo, CA	43 GWh	Jun 2013	May 2026	Natural Gas
Radiance Solar 4	Altus Power America Management, LLC	Lancaster, CA	3 GWh	Jun 2013	Dec 2025	Solar
Radiance Solar 5	Altus Power America Management, LLC	Lancaster, CA	3 GWh	Jun 2013	Dec 2025	Solar
White River Solar	RWE Clean Energy	Alpaugh, CA	36 GWh	Jun 2013	Dec 2025	Solar
Cold Canyon 1	Toro Energy of California SLO	San Luis Obispo, CA	11 GWh	Jun 2013	Dec 2025	Landfill Gas
Centinela Solar Energy	Arevon Energy, Inc.	Calexico, CA	449 GWh	Jun 2013	Dec 2025	Solar
Nunn	CD US Solar MT 2 LLC	Apple Valley, CA	1 GWh	Jun 2013	Dec 2025	Solar
Vinam	CD US Solar MT 2 LLC	Lancaster, CA	3 GWh	Jun 2013	Dec 2025	Solar
Gates Solar Station	Pacific Gas & Electric Co.	Huron, CA	31 GWh	May 2013	Dec 2025	Solar
RE Kansas South LLC	RE Kansas South LLC	Lemoore, CA	51 GWh	May 2013	Dec 2025	Solar
SEPV9 Power Plant	Duke Energy Renewables Services	Twentynine Palms, CA	23 GWh	May 2013	Dec 2025	Solar
SEPV 8	Duke Energy Renewables Services	Twentynine Palms, CA	32 GWh	May 2013	Dec 2025	Solar
G2 Energy Hay Rd	G2 Energy LLC	Vacaville, CA	13 GWh	May 2013	Dec 2025	Landfill Gas
Oakley Solar Project	Oakley Solar Project LLC	Oakley, CA	2 GWh	May 2013	Dec 2025	Solar
FTF-PackingShed	Family Tree Farms	Reedley, CA	748 MWh	May 2013	Dec 2025	Solar
AT&T - Gardena	Bloom Energy	Gardena, CA	8 GWh	May 2013	Dec 2025	Natural Gas
Marsh Landing Generating Station	Marsh Landing LLC	Antioch, CA	18 GWh	Apr 2013	May 2026	Natural Gas
Sentinel Energy Center, LLC	Sentinel Energy Center LLC	Desert Hot Springs, CA	124 GWh	Apr 2013	May 2026	Natural Gas
West Gates Solar Station	Pacific Gas & Electric Co.	Huron, CA	14 GWh	Apr 2013	Dec 2025	Solar
Ameresco Johnson Canyon	Ameresco Johnson Canyon LLC	Gonzales, CA	10 GWh	Apr 2013	Dec 2025	Landfill Gas
Walnut Creek Energy Park	Walnut Creek LLC	Industry, CA	38 GWh	Mar 2013	May 2026	Natural Gas

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