California Independent System Operator

Balancing Authority Summary Information

California Independent System Operator is ranked #7 out of 65 balancing authorities in terms of total annual electricity generation.

Balancing Authority	California Independent System Operator
States	Arizona California Nevada
Last Update	Jun 2025
Annual Generation	190.4 TWh
Power Plants	1,943
Utilities	893
Ranked #7 out of 65 in terms of net annual generation
Ranked #7 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 44% Solar \| 24.9% Water \| 11.3% Wind \| 10.6% Nuclear \| 9.7%

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Daily Net Generation for California Independent System Operator for the past 3 Years

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Desert Sunlight 300, LLC	NextEra Energy Desert Sunlight 300, LLC	Desert Center, CA	659 GWh	Oct 2013	Dec 2023	Solar
Desert Sunlight 250, LLC	NextEra Energy Desert Sunlight 250, LLC	Desert Center, CA	544 GWh	Oct 2013	Dec 2023	Solar
Athos Solar Project	SE Athos I, LLC	Desert Center, CA	645 GWh	May 2022	Mar 2025	Solar
SE Athos II, LLC	SE Athos II, LLC	Desert Center, CA	516 GWh	Nov 2021	Mar 2025	Solar
Maverick Solar 7, LLC	Maverick Solar 7, LLC	Desert Center, CA	302 GWh	Nov 2021	Mar 2025	Solar
Maverick Solar 6, LLC	Maverick Solar 6, LLC	Desert Center, CA	239 GWh	Oct 2021	Mar 2025	Solar
Desert Harvest, LLC	Desert Harvest, LLC	Desert Center, CA	208 GWh	Nov 2020	Mar 2025	Solar
Maverick Solar, LLC	Maverick Solar, LLC	Desert Center, CA	375 GWh	Nov 2020	Mar 2025	Solar
Arica Solar	Arica Solar, LLC	Desert Center, CA	659 GWh	-	Mar 2025	Solar
Victory Pass	Victory Pass I, LLC	Desert Center, CA	575 GWh	-	Mar 2025	Solar
Oberon II Solar Project	IP Oberon II, LLC	Desert Center, CA	593 GWh	Aug 2023	Mar 2025	Solar
Maverick Solar 4, LLC	Maverick Solar 4, LLC	Desert Center, CA	241 GWh	Nov 2020	Mar 2025	Solar
Desert Harvest II LLC	Desert Harvest II LLC	Desert Center, CA	166 GWh	Nov 2020	Mar 2025	Solar
Oberon Solar Project	IP Oberon LLC	Desert Center, CA	545 GWh	Aug 2023	Mar 2025	Solar
Sentinel Energy Center, LLC	Sentinel Energy Center LLC	Desert Hot Springs, CA	320 GWh	Apr 2013	Mar 2025	Natural Gas
Desert Hot Springs Solar	Consolidated Edison Solutions Inc.	Desert Hot Springs, CA	6 GWh	Nov 2013	Dec 2023	Solar
Dinuba Wastewater Treatment Plant	AES Distributed Energy	Dinuba, CA	2 GWh	Oct 2011	Dec 2023	Solar
Agriculture Capital - Legacy Packing	Distributed Solar Development, LLC	Dinuba, CA	2 GWh	Nov 2022	Dec 2023	Solar
Foundation Superior Farms	Foundation CA Fund VI Manager LLC	Dixon, CA	858 MWh	Nov 2012	Mar 2025	Wind
Colgate	Yuba County Water Agency	Dobbins, CA	1 TWh	Sep 1969	Mar 2025	Water
Sun Harvest Solar NDP1	Altus Power America Management, LLC	Dos Palos, CA	4 GWh	Apr 2015	Dec 2023	Solar
Dos Palos	Greenbacker Renewable Energy Corporation	Dos Palos, CA	2 GWh	Oct 2021	Dec 2023	Solar
Henry Miller RD	Henry Miller Reclamation District	Dos Palos, CA	3 GWh	Sep 2018	Dec 2023	Solar
Kaiser Downey	Bloom Energy 2009 PPA	Downey, CA	5 GWh	May 2012	Dec 2023	Natural Gas
Santa Rita Jail Fuel Cell	SRJFC, LLC	Dublin, CA	11 GWh	Nov 2016	Dec 2023	Natural Gas
Santa Rita Jail Hybrid	County of Alameda GSA	Dublin, CA	13 GWh	Aug 2001	Dec 2023	Natural Gas : 80.9% Solar : 19.1%
CED Ducor 1	Consolidated Edison Development Inc.	Ducor, CA	48 GWh	Nov 2016	Dec 2023	Solar
CED Ducor 2	Consolidated Edison Development Inc.	Ducor, CA	47 GWh	Nov 2016	Dec 2023	Solar
CED Ducor 3	Consolidated Edison Development Inc.	Ducor, CA	36 GWh	Nov 2016	Dec 2023	Solar
CED Ducor 4	Consolidated Edison Development Inc.	Ducor, CA	47 GWh	Nov 2016	Dec 2023	Solar
Rexford Solar Farm	AES Clean Energy	Ducor, CA	76 GWh	-	Mar 2025	Solar
Castor Solar	ZGlobal Inc	Dustin Acres, CA	917 MWh	Mar 2016	Dec 2023	Solar
Dutch Flat 2	Nevada Irrigation District	Dutch Flat, CA	47 GWh	Oct 1965	Dec 2023	Water
Chambers 4 - Eastvale LGB3	MN8 Energy LLC	Eastvale, CA	4 GWh	Jan 2019	Dec 2023	Solar
Hayworth Solar	AES Distributed Energy	Edison, CA	58 GWh	Nov 2015	Dec 2023	Solar
Woodmere Solar Farm	AES Distributed Energy	Edison, CA	31 GWh	Nov 2015	Dec 2023	Solar
Redcrest Solar Farm	AES Distributed Energy	Edison, CA	28 GWh	Sep 2015	Dec 2023	Solar
Redwood 4 Solar Farm	54 KR 8me LLC	Edison, CA	42 GWh	Nov 2017	Dec 2023	Solar
EAFB - North Base	CleanCapital Holdings	Edwards Air Force Bas, CA	3 GWh	Jan 2012	Dec 2023	Solar
EAFB - South Base	CleanCapital Holdings	Edwards Air Force Bas, CA	2 GWh	Jan 2012	Dec 2023	Solar
Edwards Air Force Base	CleanCapital Holdings	Edwards, CA	866 MWh	Nov 2011	Dec 2023	Solar
Cuyamaca Peak Energy Plant	San Diego Gas & Electric Co	El Cajon, CA	12 GWh	Apr 2002	Dec 2023	Natural Gas
El Cajon Energy Center	Wellhead Services, Inc	El Cajon, CA	8 GWh	May 2010	Dec 2023	Natural Gas
Grossmont HS Solar Project	MN8 Energy LLC	El Cajon, CA	2 GWh	Nov 2018	Dec 2023	Solar
Campo Verde Solar	Southern Power Co	El Centro, CA	329 GWh	Sep 2013	Dec 2023	Solar
Broadridge Cogen	Broadridge Customer Communications	El Dorado Hills, CA	19 GWh	Apr 2008	Dec 2023	Natural Gas : 93.5% Solar : 6.5%
El Dorado Solar, LLC	Greenbacker Renewable Energy Corporation	El Dorado Hills, CA	3 GWh	Mar 2021	Dec 2023	Solar
Sheep Creek Community Solar Farm	Phelan Solar LLC	El Mirage, CA	2 GWh	Jul 2023	Dec 2023	Solar
Equinix Douglas St. Fuel Cell	2016 ESA Project Company, LLC	El Segundo, CA	8 GWh	Aug 2017	Dec 2023	Natural Gas
Equinix Maple Ave. Fuel Cell	2016 ESA Project Company, LLC	El Segundo, CA	8 GWh	Aug 2017	Dec 2023	Natural Gas
El Segundo Energy Center LLC	El Segundo Energy Center, LLC	El Segundo, CA	138 GWh	Jun 2013	Mar 2025	Natural Gas
El Segundo Cogen	Chevron USA Inc-El Segundo	El Segundo, CA	1 TWh	Nov 1987	Mar 2025	Natural Gas : 99.6%
Stony Gorge	City of Santa Clara - (CA)	Elk Creek, CA	13 GWh	Mar 1986	Dec 2023	Water
Pixar - Emeryville	Bloom Energy	Emeryville, CA	7 GWh	Dec 2013	Dec 2023	Natural Gas
Spaulding 3	Pacific Gas & Electric Co.	Emigrant Gap, CA	18 GWh	Jan 1929	Dec 2023	Water
Spaulding 1	Pacific Gas & Electric Co.	Emigrant Gap, CA	37 GWh	Apr 1928	Dec 2023	Water
Goal Line LP	Goal Line LP	Escondido, CA	11 GWh	Jul 1994	Mar 2025	Natural Gas
Escondido Energy Center	Wellhead Services, Inc	Escondido, CA	23 GWh	Dec 2013	Dec 2023	Natural Gas
CalPeak Power Enterprise Peaker Plant	CalPeak Power, LLC	Escondido, CA	5 GWh	Oct 2001	Nov 2023	Natural Gas
Palomar Energy	San Diego Gas & Electric Co	Escondido, CA	956 GWh	Sep 2005	Mar 2025	Natural Gas
Bear Valley	City of Escondido - (CA)	Escondido, CA	3 GWh	May 1986	Dec 2023	Water
Humboldt Bay	Pacific Gas & Electric Co.	Eureka, CA	360 GWh	Aug 2010	Mar 2025	Natural Gas : 99.6%
Exeter Solar	Altus Power America Management, LLC	Exeter, CA	4 GWh	Jan 2014	Dec 2023	Solar
Wolfskill Energy Center	Gilroy Energy Center LLC	Fairfield, CA	8 GWh	Dec 2002	Dec 2023	Natural Gas
SunEdison Anheuser Busch Fairfield	SunE M5 Holdings LLC	Fairfield, CA	747 MWh	Nov 2008	Dec 2023	Solar
Solano County Cogen Plant	Solano County	Fairfield, CA	8 GWh	May 1989	Dec 2023	Natural Gas
Foundation AB	Foundation HA Energy Generation, LLC	Fairfield, CA	3 GWh	Oct 2011	Dec 2023	Wind
North Bay Solar 1	AES Distributed Energy	Fairfield, CA	2 GWh	Jul 2013	Dec 2023	Solar
Anheuser-Busch #2	Foundation HA Energy Generation, LLC	Fairfield, CA	4 GWh	Oct 2014	Mar 2025	Wind
Anheuser Busch - Fairfield	Bloom Energy	Fairfield, CA	22 GWh	Nov 2022	Dec 2023	Natural Gas
ATT North Watney	Bloom Energy	Fairfield, CA	7 GWh	Nov 2019	Dec 2023	Natural Gas
Shasta Solar Farm	Ignite Solar Holdings LLC	Fall River Mills, CA	6 GWh	Feb 2014	Nov 2023	Solar
Red Mountain	Metropolitan Water District of S CA	Fallbrook, CA	23 GWh	May 1985	Dec 2023	Water
Dixie Valley	Ormat Nevada Inc	Fallon, NV	303 GWh	May 1988	Mar 2025	Geothermal
Cawelo Water District Solar	Scooby Solar, LLC	Famoso, CA	927 MWh	Sep 2023	Dec 2023	Solar
Farmersville	Arevon Energy, Inc.	Farmersville, CA	6 GWh	Jun 2014	Dec 2023	Solar
Dome Project	Sentinel Peak Resources California, LLC	Fellows, CA	49 GWh	Jul 1988	Dec 2023	Natural Gas
Sunrise Power LLC	Sunrise Power Co LLC	Fellows, CA	2 TWh	May 2001	Jan 2025	Natural Gas
Midway Sunset Cogen	Midway-Sunset Cogeneration Co	Fellows, CA	255 GWh	Apr 1989	Mar 2025	Natural Gas
Ventura Solar	Ventura Solar LLC	Fillmore, CA	6 GWh	Aug 2021	Dec 2023	Solar
Wonderful Orchards - New Columbia	Wonderful Renewable Energy, LLC.	Firebaugh, CA	9 GWh	Aug 2020	Dec 2023	Solar
Wonderful Firebaugh	Wonderful Renewable Energy, LLC.	Firebaugh, CA	10 GWh	Jul 2022	Dec 2023	Solar
Firebaugh-CCS-PV-1	Mike Woolf Farming	Firebaugh, CA	2 GWh	Feb 2015	Dec 2023	Solar
CalPeak Power Panoche Peaker Plant	CalPeak Power, LLC	Firebaugh, CA	26 GWh	Nov 2001	Dec 2023	Natural Gas
Midway Peaking LLC	CalPeak Power, LLC	Firebaugh, CA	26 GWh	Apr 2009	Nov 2023	Natural Gas
Panoche Energy Center	Panoche Energy Center, LLC	Firebaugh, CA	1 TWh	May 2009	Mar 2025	Natural Gas
Panoche Peaker	Wellhead Services, Inc	Firebaugh, CA	2 GWh	Jul 1973	Dec 2023	Natural Gas
Five Points Solar Park	Five Points Solar Park, LLC	Five Points, CA	102 GWh	Aug 2016	Dec 2023	Solar
Westside Solar Station	Pacific Gas & Electric Co.	Five Points, CA	19 GWh	Jul 2011	Dec 2023	Solar
Five Points Solar Station	Pacific Gas & Electric Co.	Five Points, CA	19 GWh	Aug 2011	Dec 2023	Solar
NextEra Westside PV	Westside Solar, LLC	Five Points, CA	48 GWh	Feb 2017	Dec 2023	Solar
Whitney Point Solar	Whitney Point Solar, LLC	Five Points, CA	50 GWh	Feb 2017	Dec 2023	Solar
IOS II-LAX9	IOS II LLC	Fontana, CA	7 GWh	Jan 2020	Dec 2023	Solar
Woodleaf	South Feather Water and Power Agency	Forbestown, CA	232 GWh	Oct 1963	Dec 2023	Water
Forbestown	South Feather Water and Power Agency	Forbestown, CA	155 GWh	Sep 1963	Dec 2023	Water
Sly Creek	South Feather Water and Power Agency	Forbestown, CA	41 GWh	Jun 1983	Dec 2023	Water
French Meadows	Placer County Water Agency	Foresthill, CA	67 GWh	Sep 1966	Dec 2023	Water
Middle Fork	Placer County Water Agency	Foresthill, CA	458 GWh	Sep 1966	Mar 2025	Water
Ralston	Placer County Water Agency	Foresthill, CA	460 GWh	Sep 1966	Dec 2023	Water
Oxbow (CA)	Placer County Water Agency	Foresthill, CA	14 GWh	Sep 1966	Dec 2023	Water

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#26	Arizona Public Service Company	23.0 TWh	75
#55	Arlington Valley, LLC	3.4 TWh	1
#35	Balancing Authority of Northern California	15.1 TWh	83
#48	Imperial Irrigation District	5.9 TWh	65
#33	Los Angeles Department of Water and Power	17.7 TWh	120
#22	Nevada Power Company	38.2 TWh	136
#54	New Harquahala Generating Company, LLC	3.5 TWh	1
#18	Salt River Project Agricultural Improvement and Power District	58.7 TWh	45
#58	Turlock Irrigation District	2.1 TWh	11
#44	Western Area Power Administration - Desert Southwest Region	8.1 TWh	30

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	476.4 TWh	1,139
#5	Southwest Power Pool	297.0 TWh	762
#6	Southern Company Services, Inc. - Trans	252.0 TWh	393
#7	California Independent System Operator	190.4 TWh	1,943
#8	Tennessee Valley Authority	158.8 TWh	170
#10	Florida Power & Light Co.	148.6 TWh	159
#12	New York Independent System Operator	130.6 TWh	1,100
#13	Duke Energy Carolinas	111.4 TWh	556
#15	ISO New England	103.1 TWh	1,487
#16	Bonneville Power Administration	82.1 TWh	158