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
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	63 GWh	Jun 2013	Jul 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	Centinela Solar Energy LLC	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	Deriva Energy	Twentynine Palms, CA	23 GWh	May 2013	Dec 2025	Solar
SEPV 8	Deriva Energy	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	26 GWh	Apr 2013	Jul 2026	Natural Gas
Sentinel Energy Center, LLC	Sentinel Energy Center LLC	Desert Hot Springs, CA	165 GWh	Apr 2013	Jul 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	48 GWh	Mar 2013	Jul 2026	Natural Gas
Topaz Solar Farm	Topaz Solar Farms LLC	Santa Margarita, CA	974 GWh	Mar 2013	Jul 2026	Solar
Gridley Main Two	Altus Power America Management, LLC	Gridley, CA	4 GWh	Mar 2013	Dec 2025	Solar
TA-High Desert LLC	TA-High Desert LLC	Lancaster, CA	58 GWh	Feb 2013	Dec 2025	Solar
Atwell Island	SPS Atwell Island LLC	Alpaugh, CA	34 GWh	Feb 2013	Dec 2025	Solar
Gridley Main	Altus Power America Management, LLC	Gridley, CA	1 GWh	Feb 2013	Dec 2025	Solar
Ameresco Vasco Road	Ameresco Vasco Road, LLC	Livermore, CA	33 GWh	Feb 2013	Dec 2025	Landfill Gas
Laguna Water Reclamation Facility	City of Santa Rosa - (CA)	Santa Rosa, CA	9 GWh	Feb 2013	Dec 2025	Other Biomass Gas : 83.6% Natural Gas : 16.4%
Life Technologies - Pleasanton	Bloom Energy	Pleasanton, CA	8 GWh	Feb 2013	Dec 2025	Natural Gas
AT&T - Redwood City	Bloom Energy	Redwood City, CA	3 GWh	Feb 2013	Dec 2025	Natural Gas
Alpine Solar	Alpine BESS LLC	Lancaster, CA	114 GWh	Jan 2013	Dec 2025	Solar
Solar Borrego I	NRG Solar Borrego I	Borrego Springs, CA	61 GWh	Jan 2013	Dec 2025	Solar
Ameresco Butte County	Ameresco Butte County LLC	Paradise, CA	15 GWh	Jan 2013	Dec 2025	Landfill Gas
Delano Energy Center	Wellhead Services, Inc	Delano, CA	5 GWh	Dec 2012	Oct 2025	Natural Gas
Manzana Wind LLC	Avangrid Power LLC	Rosamond, CA	519 GWh	Nov 2012	Dec 2025	Wind
Ocotillo Express LLC	Pattern Operators LP	Ocotillo, CA	411 GWh	Nov 2012	Jul 2026	Wind
Catalina Solar LLC	EDF Renewable Asset Holdings, Inc.	Rosamond, CA	265 GWh	Nov 2012	Nov 2025	Solar
Shiloh IV Wind Project LLC	EDF Renewable Asset Holdings, Inc.	Birds Landing, CA	293 GWh	Nov 2012	Dec 2025	Wind
Alpaugh North	RWE Clean Energy	Alpaugh, CA	21 GWh	Nov 2012	Dec 2025	Solar
Alpaugh 50	RWE Clean Energy	Alpaugh, CA	57 GWh	Nov 2012	Dec 2025	Solar
Axium Modesto Solar	Axium US Solar Holdings LLC	Modesto, CA	53 GWh	Nov 2012	Dec 2025	Solar
Foundation Cemex River Plant	Foundation CA Fund VI Manager LLC	Victorville, CA	4 GWh	Nov 2012	Dec 2025	Wind
Foundation Cemex BMQ	Foundation CA Fund VI Manager LLC	Apple Valley, CA	4 GWh	Nov 2012	Dec 2025	Wind
Foundation Superior Farms	Foundation CA Fund VI Manager LLC	Dixon, CA	766 MWh	Nov 2012	Jul 2026	Wind
Foundation RRM	Foundation CA Fund V Manager, LLC	Cabazon, CA	10 GWh	Nov 2012	Dec 2025	Wind
Foundation NWNA	Foundation CA Fund V Manager, LLC	Cabazon, CA	23 GWh	Nov 2012	Dec 2025	Wind
La Joya Del Sol	CVI CleanCapital Solar 1 LLC	Fresno, CA	806 MWh	Nov 2012	Dec 2025	Solar
North Sky River Energy LLC	North Sky River Energy LLC	Weldon, CA	365 GWh	Nov 2012	Dec 2025	Wind
Wagner Wind LLC	Greenbacker Renewable Energy Corporation	Palm Springs, CA	10 GWh	Nov 2012	Dec 2025	Wind
Juniper Networks Sunnyvale	Bloom Energy	Sunnyvale, CA	4 GWh	Nov 2012	Dec 2024	Natural Gas
McGrath Peaker	Southern California Edison Co	Oxnard, CA	3 GWh	Oct 2012	Dec 2025	Natural Gas
Solar Photovoltaic Project #42	Southern California Edison Co	Tulare, CA	6 GWh	Oct 2012	Dec 2025	Solar
Pinyon Pine I	Pinyon Pines Wind I, LLC	Mojave, CA	283 GWh	Oct 2012	Dec 2025	Wind
Pinyon Pine II	Pinyon Pines Wind II, LLC	Mojave, CA	204 GWh	Oct 2012	Dec 2025	Wind
Lodi Energy Center	Northern California Power Agny	Lodi, CA	456 GWh	Oct 2012	Jul 2026	Natural Gas
Brea Expansion Plant	Brea Power II	Brea, CA	243 GWh	Oct 2012	Jul 2026	Landfill Gas
Nickel 1 Solar Facility	Altus Power America Management, LLC	Lost Hills, CA	2 GWh	Oct 2012	Dec 2025	Solar
Mariposa Energy Project	Diamond Generating Corporation	Byron, CA	30 GWh	Sep 2012	Jul 2026	Natural Gas
North Palm Springs 4A	Altus Power America Management, LLC	Palm Springs, CA	8 GWh	Sep 2012	Dec 2025	Solar
Kaiser Ontario	Bloom Energy 2009 PPA	Ontario, CA	8 GWh	Sep 2012	Dec 2025	Natural Gas
Kyocera International Inc.(San Diego)	Kyocera International, Inc	San Diego, CA	14 GWh	Aug 2012	Dec 2025	Natural Gas
California Valley Solar Ranch	Clearway Energy Operating LLC	California Valley, CA	559 GWh	Aug 2012	Dec 2025	Solar
Naval Air Weapons Station China Lake	MN8 Energy LLC	Ridgecrest, CA	24 GWh	Aug 2012	Dec 2025	Solar
Foundation Wal-Mart Red Bluff	Foundation CA Fund VI Manager LLC	Red Bluff, CA	1 GWh	Aug 2012	Jul 2026	Wind
Tahquitz High School	AES Distributed Energy	Hemet, CA	2 GWh	Aug 2012	Dec 2025	Solar
West Valley High School Solar	AES Distributed Energy	Hemet, CA	1 GWh	Aug 2012	Dec 2025	Solar
North Kern State Prison Phase II	SunE P11L Holdings, LLC	Delano, CA	7 GWh	Aug 2012	Dec 2025	Solar
Pacific Wind LLC	EDF Renewable Asset Holdings, Inc.	Rosamond, CA	295 GWh	Jul 2012	Dec 2025	Wind
San Antonio West Solar Rooftop	SS San Antonio West LLC	Chino, CA	2 GWh	Jul 2012	Dec 2025	Solar
Foundation Cemex Madison	Foundation CA Fund V Manager, LLC	Madison, CA	2 GWh	Jul 2012	Dec 2025	Wind
Life Technologies Carlsbad	Bloom Energy	Carlsbad, CA	9 GWh	Jul 2012	Dec 2025	Natural Gas
Glass House Camarillo Cultivation	Glass House Camarillo Cultivation	Camarillo, CA	64 GWh	Jul 2012	Dec 2025	Natural Gas
Copper Mountain Solar 2	RWE Clean Energy	Boulder City, NV	726 GWh	Jun 2012	Dec 2025	Solar
McKittrick Cogen	Chevron USA Inc	McKittrick, CA	61 GWh	May 2012	Dec 2025	Natural Gas
Giffen	Pacific Gas & Electric Co.	TBD, CA	12 GWh	May 2012	Dec 2025	Solar
Cantua Solar Station	Pacific Gas & Electric Co.	TBD, CA	23 GWh	May 2012	Dec 2025	Solar
Huron Solar Station	Pacific Gas & Electric Co.	Huron, CA	28 GWh	May 2012	Dec 2025	Solar
SEPV 2	CVI CleanCapital Solar 1 LLC	Twentynine Palms, CA	3 GWh	May 2012	Dec 2025	Solar
Kaiser Downey	Bloom Energy 2009 PPA	Downey, CA	8 GWh	May 2012	Dec 2025	Natural Gas
Chuckawalla Solar	Altus Power America Management, LLC	Blythe, CA	7 GWh	May 2012	Dec 2025	Solar
Agua Caliente Solar Project	Agua Caliente Solar	Dateland, AZ	507 GWh	Apr 2012	Jul 2026	Solar
Mustang Hills LLC	Mustang Hills, LLC (Longroad)	Mojave, CA	267 GWh	Apr 2012	Dec 2025	Wind
L-8 Solar Project	L-8 Solar Project LLC	Palmdale, CA	2 GWh	Apr 2012	Dec 2025	Solar
SEPV 1	CVI CleanCapital Solar 1 LLC	Palmdale, CA	3 GWh	Apr 2012	Dec 2025	Solar
North Palm Springs 1A	Altus Power America Management, LLC	Palm Springs, CA	5 GWh	Mar 2012	Dec 2025	Solar
Industry MetroLink PV 1	City of Industry - (CA)	Industry, CA	1 GWh	Mar 2012	Dec 2025	Solar
Ironwood Solar LLC	Altus Power America Management, LLC	Blythe, CA	7 GWh	Mar 2012	Dec 2025	Solar
Golden Springs Building D	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Feb 2012	Dec 2025	Solar
Heliocentric	Heliocentric LLC	Palmdale, CA	2 GWh	Feb 2012	Dec 2025	Solar
Brookfield Tehachapi 1	Coram California Development, L.P.	Mojave, CA	164 GWh	Feb 2012	Dec 2025	Wind
Mountain View IV	AES Distributed Energy	North Palm Springs, CA	173 GWh	Jan 2012	Dec 2025	Wind
Windstar 1	Nextera Energy Resources	Tehachapi, CA	255 GWh	Jan 2012	Dec 2025	Wind
Golden Springs Building C-1	Golden Springs Development Company LLC	Santa Fe Springs, CA	1 GWh	Jan 2012	Dec 2025	Solar
Xilinx San Jose	Bloom Energy	San Jose, CA	8 GWh	Jan 2012	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