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
Naval Air Weapons Station China Lake	MN8 Energy LLC	Ridgecrest, CA	24 GWh	Aug 2012	Dec 2025	Solar
Ameresco Butte County	Ameresco Butte County LLC	Paradise, CA	15 GWh	Jan 2013	Dec 2025	Landfill Gas
Windstar 1	Nextera Energy Resources	Tehachapi, CA	255 GWh	Jan 2012	Dec 2025	Wind
Foundation AB	Foundation HA Energy Generation, LLC	Fairfield, CA	3 GWh	Oct 2011	Dec 2025	Wind
Foundation IE	Foundation HA Energy Generation, LLC	Rancho Cucamonga, CA	404 MWh	Nov 2011	Dec 2025	Wind
Golden Springs Building C-1	Golden Springs Development Company LLC	Santa Fe Springs, CA	1 GWh	Jan 2012	Dec 2025	Solar
Golden Springs Building D	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Feb 2012	Dec 2025	Solar
Franklin Templeton San Mateo	Bloom Energy	San Mateo, CA	9 GWh	Oct 2011	Dec 2025	Natural Gas
Dinuba Wastewater Treatment Plant	AES Distributed Energy	Dinuba, CA	1 GWh	Oct 2011	Dec 2025	Solar
Heliocentric	Heliocentric LLC	Palmdale, CA	2 GWh	Feb 2012	Dec 2025	Solar
Mustang Hills LLC	Mustang Hills, LLC (Longroad)	Mojave, CA	267 GWh	Apr 2012	Dec 2025	Wind
Pinyon Pine I	Pinyon Pines Wind I, LLC	Mojave, CA	283 GWh	Oct 2012	Dec 2025	Wind
Alta Wind VIII	Nextera Energy Resources	Mojave, CA	219 GWh	Dec 2011	Dec 2025	Wind
L-8 Solar Project	L-8 Solar Project LLC	Palmdale, CA	2 GWh	Apr 2012	Dec 2025	Solar
Pinyon Pine II	Pinyon Pines Wind II, LLC	Mojave, CA	204 GWh	Oct 2012	Dec 2025	Wind
ISH Solar Hospital SDMC	Kaiser Permanente	San Diego, CA	1 GWh	Nov 2011	Dec 2025	Solar
ISH Solar Hospital Downey	Kaiser Permanente	Downey, CA	1 GWh	Aug 2011	Dec 2025	Solar
Univ of California San Diego Solar	University of California San Diego	La Jolla, CA	4 GWh	Nov 2008	Dec 2025	Solar
Industry MetroLink PV 1	City of Industry - (CA)	Industry, CA	1 GWh	Mar 2012	Dec 2025	Solar
Santa Cruz Energy	Santa Cruz Energy LLC	Santa Cruz, CA	9 GWh	Oct 2009	Dec 2025	Landfill Gas
Guernsey Solar Station	Pacific Gas & Electric Co.	Hanford, CA	22 GWh	Jul 2013	Dec 2025	Solar
Gates Solar Station	Pacific Gas & Electric Co.	Huron, CA	31 GWh	May 2013	Dec 2025	Solar
San Antonio West Solar Rooftop	SS San Antonio West LLC	Chino, CA	2 GWh	Jul 2012	Dec 2025	Solar
Brookfield Tehachapi 1	Coram California Development, L.P.	Mojave, CA	164 GWh	Feb 2012	Dec 2025	Wind
Butte College Main Campus Solar	Butte-Glenn Community College District	Oroville, CA	7 GWh	Jun 2011	Dec 2025	Solar
SF Southeast Cogen Plant	City & County of San Francisco - (CA)	San Francisco, CA	341 MWh	May 2002	Dec 2025	Other Biomass Gas
High Sierra Cogeneration Plant	Plumas Sierra Rural Electric Coop	Susanville, CA	33 GWh	Jan 2010	Dec 2025	Natural Gas
Lincoln Landfill	Energy 2001 Inc	Lincoln, CA	29 GWh	Oct 2004	Dec 2025	Landfill Gas
Desert Sunlight 300, LLC	NextEra Energy Desert Sunlight 300, LLC	Desert Center, CA	620 GWh	Oct 2013	Dec 2025	Solar
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
Copper Mountain Solar 2	RWE Clean Energy	Boulder City, NV	726 GWh	Jun 2012	Dec 2025	Solar
Nickel 1 Solar Facility	Altus Power America Management, LLC	Lost Hills, CA	2 GWh	Oct 2012	Dec 2025	Solar
Axium Modesto Solar	Axium US Solar Holdings LLC	Modesto, CA	53 GWh	Nov 2012	Dec 2025	Solar
SEPV 1	CVI CleanCapital Solar 1 LLC	Palmdale, CA	3 GWh	Apr 2012	Dec 2025	Solar
SEPV 2	CVI CleanCapital Solar 1 LLC	Twentynine Palms, CA	3 GWh	May 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 Cemex Madison	Foundation CA Fund V Manager, LLC	Madison, CA	2 GWh	Jul 2012	Dec 2025	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
Delano Energy Center	Wellhead Services, Inc	Delano, CA	2 GWh	Dec 2012	Dec 2025	Natural Gas
Kaiser Downey	Bloom Energy 2009 PPA	Downey, CA	8 GWh	May 2012	Dec 2025	Natural Gas
Kaiser Ontario	Bloom Energy 2009 PPA	Ontario, CA	8 GWh	Sep 2012	Dec 2025	Natural Gas
RE Kansas South LLC	RE Kansas South LLC	Lemoore, CA	51 GWh	May 2013	Dec 2025	Solar
TA-High Desert LLC	TA-High Desert LLC	Lancaster, CA	58 GWh	Feb 2013	Dec 2025	Solar
North Sky River Energy LLC	North Sky River Energy LLC	Weldon, CA	365 GWh	Nov 2012	Dec 2025	Wind
Energy Center	University of Redlands	Redlands, CA	4 GWh	Jan 2007	Dec 2025	Natural Gas
RE Victor Phelan Solar One LLC	MN8 Energy LLC	Adelanto, CA	45 GWh	Nov 2013	Dec 2025	Solar
West Gates Solar Station	Pacific Gas & Electric Co.	Huron, CA	14 GWh	Apr 2013	Dec 2025	Solar
SEPV9 Power Plant	Duke Energy Renewables Services	Twentynine Palms, CA	23 GWh	May 2013	Dec 2025	Solar
Tahquitz High School	AES Distributed Energy	Hemet, CA	2 GWh	Aug 2012	Dec 2025	Solar
Wagner Wind LLC	Greenbacker Renewable Energy Corporation	Palm Springs, CA	10 GWh	Nov 2012	Dec 2025	Wind
SEPV 8	Duke Energy Renewables Services	Twentynine Palms, CA	32 GWh	May 2013	Dec 2025	Solar
West Valley High School Solar	AES Distributed Energy	Hemet, CA	1 GWh	Aug 2012	Dec 2025	Solar
Venable Solar 1	Madison Energy Investments LLC	Blythe, CA	4 GWh	Mar 2015	Dec 2025	Solar
Xilinx San Jose	Bloom Energy	San Jose, CA	8 GWh	Jan 2012	Dec 2025	Natural Gas
Life Technologies Carlsbad	Bloom Energy	Carlsbad, CA	9 GWh	Jul 2012	Dec 2025	Natural Gas
Kingsburg Solar	Altus Power America Management, LLC	Kingsburg, CA	6 GWh	Nov 2013	Dec 2025	Solar
Exeter Solar	Altus Power America Management, LLC	Exeter, CA	6 GWh	Jan 2014	Dec 2025	Solar
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
G2 Energy Hay Rd	G2 Energy LLC	Vacaville, CA	13 GWh	May 2013	Dec 2025	Landfill 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
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
Gridley Main Two	Altus Power America Management, LLC	Gridley, CA	4 GWh	Mar 2013	Dec 2025	Solar
White River Solar	RWE Clean Energy	Alpaugh, CA	36 GWh	Jun 2013	Dec 2025	Solar
Corcoran Solar	RWE Clean Energy	Corcoran, CA	22 GWh	Jul 2013	Dec 2025	Solar
Oakley Solar Project	Oakley Solar Project LLC	Oakley, CA	2 GWh	May 2013	Dec 2025	Solar
Cold Canyon 1	Toro Energy of California SLO	San Luis Obispo, CA	11 GWh	Jun 2013	Dec 2025	Landfill Gas
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
Ameresco Johnson Canyon	Ameresco Johnson Canyon LLC	Gonzales, CA	10 GWh	Apr 2013	Dec 2025	Landfill Gas
Lone Valley Solar Park I LLC	Lone Valley Solar Park I LLC	Lucerne Valley, CA	24 GWh	Nov 2014	Dec 2025	Solar
Victor Dry Farm Ranch A	AES Distributed Energy	Victorville, CA	10 GWh	May 2015	Dec 2025	Solar
Victor Dry Farm Ranch B	AES Distributed Energy	Victorville, CA	10 GWh	May 2015	Dec 2025	Solar
Centinela Solar Energy	Arevon Energy, Inc.	Calexico, CA	449 GWh	Jun 2013	Dec 2025	Solar
Glass House Camarillo Cultivation	Glass House Camarillo Cultivation	Camarillo, CA	64 GWh	Jul 2012	Dec 2025	Natural Gas
Ameresco Vasco Road	Ameresco Vasco Road, LLC	Livermore, CA	33 GWh	Feb 2013	Dec 2025	Landfill Gas
Ameresco San Joaquin	Ameresco San Joaquin, LLC	Linden, CA	25 GWh	Mar 2014	Dec 2025	Landfill Gas
Ameresco Forward	Ameresco Forward, LLC	Manteca, CA	32 GWh	Jan 2014	Dec 2025	Landfill Gas
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
Arrache 8083	CD US Solar MT 2 LLC	Palmdale, CA	3 GWh	Aug 2013	Dec 2025	Solar
Nunn	CD US Solar MT 2 LLC	Apple Valley, CA	1 GWh	Jun 2013	Dec 2025	Solar
Rutan	CD US Solar MT 2 LLC	Palmdale, CA	3 GWh	Dec 2013	Dec 2025	Solar
Vinam	CD US Solar MT 2 LLC	Lancaster, CA	3 GWh	Jun 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
Watts 3115	CD US Solar MT 2 LLC	Adelanto, CA	4 GWh	Jul 2013	Dec 2025	Solar
McCoy Solar Energy Project Hybrid	McCoy Solar, LLC	Blythe, CA	639 GWh	Jul 2015	Dec 2025	Solar
Campo Verde Solar	Southern Power Co	El Centro, CA	293 GWh	Sep 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 Rio Grande Solar LLC	MN8 Energy LLC	Mojave, CA	10 GWh	Nov 2013	Dec 2025	Solar
RE Columbia 3 LLC	MN8 Energy LLC	Mojave, CA	23 GWh	Dec 2013	Dec 2025	Solar

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