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	Nov 2024
Annual Generation	192.0 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 \| 45.4% Solar \| 23.1% Water \| 12% Wind \| 10.1% Nuclear \| 9.1%

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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
Ampersand Chowchilla Biomass LLC	Ampersand Chowchilla Biomass LLC	Chowchilla, CA	49 GWh	Apr 2008	Mar 2023	Wood/Wood Waste Solids : 99.8%
Ameresco Vasco Road	Ameresco Vasco Road, LLC	Livermore, CA	31 GWh	Feb 2013	Dec 2023	Landfill Gas
Ameresco Santa Cruz Energy	AMERESCO Santa Cruz Energy LLC	Watsonville, CA	19 GWh	Dec 2005	Dec 2023	Landfill Gas
Ameresco San Joaquin	Ameresco San Joaquin, LLC	Linden, CA	31 GWh	Mar 2014	Dec 2023	Landfill Gas
Ameresco Ox Mountain	AMERESCO Ox Mountain Energy LLC	Half Moon Bay, CA	83 GWh	Nov 2008	Sep 2024	Landfill Gas
Ameresco Keller Canyon	AMERESCO Keller Canyon LLC	Bay Point, CA	29 GWh	Jun 2009	Dec 2023	Landfill Gas
Ameresco Johnson Canyon	Ameresco Johnson Canyon LLC	Gonzales, CA	9 GWh	Apr 2013	Dec 2023	Landfill Gas
Ameresco Forward	Ameresco Forward, LLC	Manteca, CA	32 GWh	Jan 2014	Dec 2023	Landfill Gas
Ameresco Chiquita Canyon	AMERESCO Chiquita Canyon LLC	Castaic, CA	33 GWh	Oct 2010	Dec 2023	Landfill Gas
Ameresco Butte County	Ameresco Butte County LLC	Paradise, CA	16 GWh	Jan 2013	Dec 2023	Landfill Gas
Nickel 1 Solar Facility	Altus Power America Management, LLC	Lost Hills, CA	3 GWh	Oct 2012	Dec 2023	Solar
USPS PV	Altus Power America Management, LLC	Los Angeles, CA	11 GWh	Jun 2017	Dec 2023	Solar
Lindsay Solar	Altus Power America Management, LLC	Lindsay, CA	5 GWh	Dec 2013	Dec 2023	Solar
Porterville Solar	Altus Power America Management, LLC	Porterville, CA	6 GWh	Dec 2013	Dec 2023	Solar
Cloverdale Solar I	Altus Power America Management, LLC	Cloverdale, CA	2 GWh	May 2014	Dec 2023	Solar
Park Meridian #1	Altus Power America Management, LLC	Riverside, CA	2 GWh	Feb 2015	Dec 2023	Solar
Rancho Cucamonga Dist #1	Altus Power America Management, LLC	Rancho Cucamonga, CA	2 GWh	Mar 2015	Dec 2023	Solar
Terra Francesco	Altus Power America Management, LLC	Ontario, CA	2 GWh	Feb 2015	Dec 2023	Solar
Sun Harvest Solar NDP1	Altus Power America Management, LLC	Dos Palos, CA	4 GWh	Apr 2015	Dec 2023	Solar
Ironwood Solar LLC	Altus Power America Management, LLC	Blythe, CA	8 GWh	Mar 2012	Dec 2023	Solar
Chuckawalla Solar	Altus Power America Management, LLC	Blythe, CA	7 GWh	May 2012	Dec 2023	Solar
Kingsburg Solar	Altus Power America Management, LLC	Kingsburg, CA	3 GWh	Nov 2013	Dec 2023	Solar
Ivanhoe Solar	Altus Power America Management, LLC	Visalia, CA	5 GWh	Dec 2013	Dec 2023	Solar
Gridley Main Two	Altus Power America Management, LLC	Gridley, CA	4 GWh	Mar 2013	Dec 2023	Solar
Exeter Solar	Altus Power America Management, LLC	Exeter, CA	4 GWh	Jan 2014	Dec 2023	Solar
Gridley Main	Altus Power America Management, LLC	Gridley, CA	2 GWh	Feb 2013	Dec 2023	Solar
Marina South	Altus Power America Management, LLC	San Pedro, CA	2 GWh	Nov 2020	Dec 2023	Solar
PFMG Solar Grossmont Helix LLC	Altus Power America Management, LLC	La Mesa, CA	2 GWh	Apr 2018	Dec 2023	Solar
Catalina Express	Altus Power America Management, LLC	San Pedro, CA	2 GWh	Nov 2020	Dec 2023	Solar
AltaGas Ripon Energy Inc.	AltaGas Ripon Energy Inc.	Ripon, CA	2 GWh	Mar 1988	Sep 2024	Natural Gas
Blythe Energy Inc	AltaGas Blythe Operations Inc	Blythe, CA	1 TWh	Nov 2003	Sep 2024	Natural Gas
Alta Wind XI	Alta Wind XI, LLC	Mojave, CA	248 GWh	Dec 2013	Dec 2023	Wind
Alta Wind X	Alta Wind X, LLC	Mojave, CA	337 GWh	Dec 2013	Dec 2023	Wind
Alta Wind Energy Center V	Alta Wind Energy Center V	Mojave, CA	238 GWh	Mar 2011	Dec 2023	Wind
Alta Wind Energy Center IV	Alta Wind Energy Center IV	Mojave, CA	148 GWh	Mar 2011	Dec 2023	Wind
Alta Wind Energy Center III	Alta Wind Energy Center III	Mojave, CA	303 GWh	Jan 2011	Dec 2023	Wind
Alta Wind Energy Center II	Alta Wind Energy Center II	Mojave, CA	300 GWh	Dec 2010	Dec 2023	Wind
Alta Wind Energy Center I	Alta Wind Energy Center I	Mojave, CA	361 GWh	Dec 2010	Dec 2023	Wind
Verwey-Hanford Dairy Digester #1	AlsoEnergy	Hanford, CA	360 MWh	Sep 2016	Dec 2023	Other Biomass Gas
Alpine Solar	Alpine Solar	Lancaster, CA	161 GWh	Jan 2013	Dec 2023	Solar
Algonquin Power Sanger LLC	Algonquin Power Sanger LLC	Sanger, CA	8 GWh	Nov 2007	Sep 2024	Natural Gas
Algonquin SKIC 10 Solar, LLC	Algonquin Power Co	Taft, CA	18 GWh	Dec 2016	Dec 2023	Solar
Algonquin SKIC20 Solar LLC	Algonquin Power Co	Taft, CA	45 GWh	Apr 2015	Dec 2023	Solar
Agua Caliente Solar Project	Agua Caliente Solar	Dateland, AZ	675 GWh	Apr 2012	Sep 2024	Solar
Wheeler Ridge	AFTW Holdings, LLC	Bakersfield, CA	2 GWh	Aug 2023	Dec 2023	Solar
AES Redondo Beach LLC	AES Redondo Beach LLC	Redondo Beach, CA	256 GWh	Sep 1954	Dec 2023	Natural Gas
AES Huntington Beach LLC	AES Huntington Beach LLC	Huntington Beach, CA	76 GWh	May 1958	Sep 2024	Natural Gas
AES Huntington Beach Energy Project	AES Huntington Beach Energy, LLC	Huntington Beach, CA	3 TWh	Jan 2020	Sep 2024	Natural Gas
Summer Solar A2	AES Distributed Energy	Lancaster, CA	3 GWh	May 2014	Dec 2023	Solar
Summer Solar B2	AES Distributed Energy	Lancaster, CA	3 GWh	May 2014	Dec 2023	Solar
Dinuba Wastewater Treatment Plant	AES Distributed Energy	Dinuba, CA	2 GWh	Oct 2011	Dec 2023	Solar
Woodmere Solar Farm	AES Distributed Energy	Edison, CA	31 GWh	Nov 2015	Dec 2023	Solar
Rodeo Solar D2	AES Distributed Energy	Lancaster, CA	4 GWh	Apr 2014	Dec 2023	Solar
Summer Solar C2	AES Distributed Energy	Lancaster, CA	2 GWh	May 2014	Dec 2023	Solar
Summer Solar D2	AES Distributed Energy	Lancaster, CA	2 GWh	Jun 2014	Dec 2023	Solar
Summer North Solar	AES Distributed Energy	Lancaster, CA	11 GWh	Nov 2014	Dec 2023	Solar
Expressway Solar A	AES Distributed Energy	Victorville, CA	4 GWh	Apr 2014	Dec 2023	Solar
Expressway Solar B	AES Distributed Energy	Victorville, CA	4 GWh	Apr 2014	Dec 2023	Solar
Expressway Solar C2	AES Distributed Energy	Victorville, CA	3 GWh	Oct 2014	Dec 2023	Solar
Redcrest Solar Farm	AES Distributed Energy	Edison, CA	28 GWh	Sep 2015	Dec 2023	Solar
Green Beanworks B PV	AES Distributed Energy	Lancaster, CA	6 GWh	Nov 2018	Dec 2023	Solar
Rodeo Solar C2	AES Distributed Energy	Lancaster, CA	3 GWh	Apr 2014	Dec 2023	Solar
Lancaster Dry Farm Ranch B	AES Distributed Energy	Lancaster, CA	9 GWh	Oct 2014	Dec 2023	Solar
North Bay Solar 1	AES Distributed Energy	Fairfield, CA	2 GWh	Jul 2013	Dec 2023	Solar
Western Antelope Dry Ranch	AES Distributed Energy	Lancaster, CA	22 GWh	Nov 2016	Dec 2023	Solar
Western Antelope Blue Sky Ranch A	AES Distributed Energy	Lancaster, CA	45 GWh	Oct 2014	Dec 2023	Solar
Otoe Solar Power Generation Station 1 LLC	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2023	Solar
Powhatan Solar Power Generation Station 1 LLC	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2023	Solar
Antelope Expansion 1B	AES Distributed Energy	Lancaster, CA	47 GWh	Oct 2022	Dec 2023	Solar
Navajo Solar Power Generation Station 1 LLC	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2023	Solar
Industry Solar Power Generation Station 1 LLC	AES Distributed Energy	Adelanto, CA	4 GWh	Nov 2013	Dec 2023	Solar
San Pablo Raceway	AES Distributed Energy	Lancaster, CA	265 GWh	Jul 2019	Sep 2024	Solar
Victor Dry Farm Ranch B	AES Distributed Energy	Victorville, CA	9 GWh	May 2015	Dec 2023	Solar
Victor Dry Farm Ranch A	AES Distributed Energy	Victorville, CA	9 GWh	May 2015	Dec 2023	Solar
Mountain View IV	AES Distributed Energy	North Palm Springs, CA	175 GWh	Jan 2012	Dec 2023	Wind
Elevation Solar C	AES Distributed Energy	Lancaster, CA	98 GWh	Nov 2016	Sep 2024	Solar
Tahquitz High School	AES Distributed Energy	Hemet, CA	2 GWh	Aug 2012	Dec 2023	Solar
Sierra Solar Greenworks	AES Distributed Energy	Lancaster, CA	34 GWh	Oct 2015	Dec 2023	Solar
SEPV 18	AES Distributed Energy	Palmdale, CA	5 GWh	Dec 2015	Dec 2023	Solar
Aspiration G	AES Distributed Energy	Cantua Creek, CA	20 GWh	Aug 2017	Dec 2023	Solar
Citizen B	AES Distributed Energy	Mendota, CA	7 GWh	Nov 2015	Dec 2023	Solar
Lancaster WAD B	AES Distributed Energy	Lancaster, CA	5 GWh	Mar 2017	Dec 2023	Solar
SEPV Mojave West	AES Distributed Energy	Mojave, CA	51 GWh	May 2016	Dec 2023	Solar
Western Antelope Blue Sky B	AES Distributed Energy	Lancaster, CA	49 GWh	Nov 2016	Dec 2023	Solar
North Lancaster Ranch	AES Distributed Energy	Lancaster, CA	29 GWh	Nov 2016	Dec 2023	Solar
Central Antelope Dry Ranch C	AES Distributed Energy	Lancaster, CA	29 GWh	Apr 2016	Dec 2023	Solar
West Valley High School Solar	AES Distributed Energy	Hemet, CA	1 GWh	Aug 2012	Dec 2023	Solar
Adera Solar	AES Distributed Energy	Chowchilla, CA	27 GWh	Nov 2015	Dec 2023	Solar
Bayshore Solar A, LLC	AES Distributed Energy	Lancaster, CA	47 GWh	Nov 2017	Dec 2023	Solar
Bayshore Solar C, LLC	AES Distributed Energy	Lancaster, CA	46 GWh	Nov 2017	Dec 2023	Solar
Bayshore Solar B, LLC	AES Distributed Energy	Lancaster, CA	45 GWh	Nov 2017	Dec 2023	Solar
Lemoore 1	AES Distributed Energy	Lemoore, CA	232 MWh	Jan 2016	Dec 2023	Solar
Solverde 1	AES Distributed Energy	Lancaster, CA	194 GWh	Nov 2016	Sep 2024	Solar
Antelope DSR 1	AES Distributed Energy	Lancaster, CA	115 GWh	Nov 2016	Sep 2024	Solar
Antelope DSR 2	AES Distributed Energy	Lancaster, CA	13 GWh	Nov 2016	Dec 2023	Solar
Antelope Big Sky Ranch	AES Distributed Energy	Lancaster, CA	46 GWh	Jul 2016	Dec 2023	Solar
Summer Solar LLC	AES Distributed Energy	Lancaster, CA	41 GWh	Jun 2016	Dec 2023	Solar
Victor Mesa Linda E2	AES Distributed Energy	Victorville, CA	4 GWh	Oct 2014	Dec 2023	Solar
Hayworth Solar	AES Distributed Energy	Edison, CA	58 GWh	Nov 2015	Dec 2023	Solar
Antelope DSR 3	AES Distributed Energy	Lancaster, CA	36 GWh	Aug 2019	Dec 2023	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#28	Arizona Public Service Company	22.0 TWh	75
#53	Arlington Valley, LLC	3.6 TWh	1
#36	Balancing Authority of Northern California	15.2 TWh	83
#48	Imperial Irrigation District	5.7 TWh	65
#33	Los Angeles Department of Water and Power	16.0 TWh	120
#22	Nevada Power Company	37.8 TWh	136
#56	New Harquahala Generating Company, LLC	2.9 TWh	1
#18	Salt River Project Agricultural Improvement and Power District	58.9 TWh	45
#57	Turlock Irrigation District	2.3 TWh	11
#41	Western Area Power Administration - Desert Southwest Region	8.5 TWh	30

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	462.2 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	248.1 TWh	393
#7	California Independent System Operator	192.0 TWh	1,943
#9	Tennessee Valley Authority	157.6 TWh	170
#10	Florida Power & Light Co.	147.6 TWh	159
#12	New York Independent System Operator	129.8 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556
#15	ISO New England	103.1 TWh	1,487
#16	Bonneville Power Administration	80.0 TWh	158