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	191.5 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 \| 45.6% Solar \| 23.1% Water \| 12.1% Wind \| 10% Nuclear \| 9%

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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
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
CalPeak Power Enterprise Peaker Plant	CalPeak Power, LLC	Escondido, CA	5 GWh	Oct 2001	Nov 2023	Natural Gas
Malaga Power LLC	CalPeak Power, LLC	Fresno, CA	11 GWh	Aug 2005	Aug 2024	Natural Gas
CalPeak Power Border Peaker Plant	CalPeak Power, LLC	San Diego, CA	13 GWh	Oct 2001	Dec 2023	Natural Gas
CalPeak Power Vaca Dixon Peaker Plant	CalPeak Power, LLC	Vacaville, CA	7 GWh	May 2002	Dec 2023	Natural Gas
Metcalf Energy Center	Calpine Corp - Metcalf Energy Center	San Jose, CA	3 TWh	May 2005	Aug 2024	Natural Gas
Pastoria Energy Facility, LLC	Calpine Corp - Pastoria Energy Center	Lebec, CA	4 TWh	Apr 2005	Aug 2024	Natural Gas
King City Peaking	Calpine Corp-King City	King City, CA	12 GWh	Mar 2002	Dec 2023	Natural Gas
Yuba City Energy Center	Calpine Corp-Yuba City	Yuba City, CA	49 GWh	Jul 2002	Dec 2023	Natural Gas
Feather River Energy Center	Calpine Corp-Yuba City	Yuba City, CA	45 GWh	Dec 2002	Dec 2023	Natural Gas
Gilroy Peaking Energy Center	Calpine Gilroy Cogen LP	Gilroy, CA	27 GWh	Oct 2001	Nov 2023	Natural Gas
Gilroy Power Plant	Calpine Gilroy Cogen LP	Gilroy, CA	75 GWh	Sep 1987	Nov 2023	Natural Gas
Greenleaf 1	Calpine Greenleaf Holding, Inc.	Yuba City, CA	3 GWh	Jan 1989	Dec 2023	Natural Gas
King City Power Plant	Calpine King City Cogen LLC	King City, CA	40 GWh	Jan 1989	Aug 2024	Natural Gas
CalRenew-1	CalRenew-1 LLC	Mendota, CA	6 GWh	Mar 2010	Dec 2023	Solar
Tehachapi Wind Resource II	CalWind Resources Inc	Tehachapi, CA	42 GWh	Dec 1996	Dec 2023	Wind
Tehachapi Wind Resource I	CalWind Resources Inc	Tehachapi, CA	13 GWh	Nov 1984	Dec 2023	Wind
Canal Energy S23, LLC	Canal Energy S23, LLC	Hanford, CA	8 GWh	Nov 2021	Nov 2023	Solar
Carson Cogeneration	Carson Cogeneration Co	Carson, CA	35 GWh	Nov 1989	Dec 2023	Natural Gas
Cascade Solar	Cascade Solar LLC	Joshua Tree, CA	53 GWh	Dec 2013	Dec 2023	Solar
Castle Rock Vineyards	Castle Rock Cooling	Delano, CA	2 GWh	Aug 2010	Dec 2023	Solar
Vinam	CD US Solar MT 2 LLC	Lancaster, CA	3 GWh	Jun 2013	Dec 2023	Solar
Ma	CD US Solar MT 2 LLC	Lancaster, CA	4 GWh	Sep 2013	Dec 2023	Solar
Arrache 4006	CD US Solar MT 2 LLC	Palmdale, CA	2 GWh	Jul 2013	Dec 2023	Solar
Arrache 8083	CD US Solar MT 2 LLC	Palmdale, CA	3 GWh	Aug 2013	Dec 2023	Solar
Nunn	CD US Solar MT 2 LLC	Apple Valley, CA	2 GWh	Jun 2013	Dec 2023	Solar
Watts 3115	CD US Solar MT 2 LLC	Adelanto, CA	3 GWh	Jul 2013	Dec 2023	Solar
Horn	CD US Solar MT 2 LLC	Lancaster, CA	3 GWh	Sep 2013	Dec 2023	Solar
Rutan	CD US Solar MT 2 LLC	Palmdale, CA	3 GWh	Dec 2013	Dec 2023	Solar
Arrache 4013	CD US Solar MT 2 LLC	Palmdale, CA	1 GWh	Jul 2013	Dec 2023	Solar
Madelyn Solar, LLC	CD US Solar PO 3, LLC	Silver Lake, CA	2 GWh	Nov 2014	Dec 2023	Solar
Rudy Solar, LLC	CD US Solar PO 3, LLC	Silver Lake, CA	3 GWh	Nov 2014	Dec 2023	Solar
Mitchell Solar, LLC	CD US Solar PO 3, LLC	Silver Lake, CA	3 GWh	Nov 2014	Dec 2023	Solar
CD4	CD4	Mammoth Lakes, CA	272 GWh	Jun 2022	Dec 2023	Geothermal
Central 40	Central 40, LLC	Newman, CA	69 GWh	Jan 2021	Aug 2024	Solar
Central Antelope Dry Ranch B LLC	Central Antelope Dry Ranch B, LLC	Lancaster, CA	7 GWh	Aug 2017	Dec 2023	Solar
Central CA Fuel Cell 1	Central CA Fuel Cell 1	Tulare, CA	18 GWh	Apr 2018	Dec 2023	Natural Gas
Tulare BioMAT Fuel Cell	Central CA Fuel Cell 2, LLC	Tulare, CA	12 GWh	Nov 2019	Dec 2023	Other Biomass Gas : 81.3% Natural Gas : 18.7%
CCCSD Wastewater Treatment Plnt	Central Contra Costa Sanitary District	Martinez, CA	21 GWh	Nov 1995	Aug 2024	Natural Gas
Bear Creek	Central Rivers Power US, LLC	Shingletown, CA	6 GWh	Dec 1989	Dec 2023	Water
Montgomery Creek Hydro	Central Rivers Power US, LLC	Montgomery Creek, CA	8 GWh	Dec 1986	Dec 2023	Water
Chaffey College Rancho Cucamonga Campus	Chaffey Community College District	Rancho Cucamonga, CA	7 GWh	Jan 2017	Dec 2023	Solar
Chestnut	Chestnut Westside, LLC	Lemoore, CA	287 GWh	Nov 2023	Aug 2024	Solar : 93.8% Electricity used for energy storage : 6.2%
Richmond Cogen	Chevron Products Company-Richmond	Richmond, CA	922 GWh	Jul 1992	Aug 2024	Natural Gas : 97.7% Other Gas : 2.3%
McKittrick Cogen	Chevron USA Inc	McKittrick, CA	59 GWh	May 2012	Dec 2023	Natural Gas
Southeast Kern River Cogen	Chevron USA Inc	Bakersfield, CA	96 GWh	Jan 1989	Aug 2024	Natural Gas
Cymric 31X Cogen	Chevron USA Inc	McKittrick, CA	37 GWh	Sep 1988	Dec 2023	Natural Gas
Cymric 6Z Cogen	Chevron USA Inc	McKittrick, CA	37 GWh	Jun 1986	Dec 2023	Natural Gas
Taft 26C Cogen	Chevron USA Inc	Taft, CA	59 GWh	Jun 1982	Aug 2024	Natural Gas
Coalinga 25D Cogen	Chevron USA Inc	Coalinga, CA	67 GWh	Sep 1986	Dec 2023	Natural Gas
Cymric 36W Cogen	Chevron USA Inc	McKittrick, CA	54 GWh	Sep 1982	Dec 2023	Natural Gas
Kern River Eastridge Cogen	Chevron USA Inc	Bakersfield, CA	223 GWh	May 1988	Aug 2024	Natural Gas
El Segundo Cogen	Chevron USA Inc-El Segundo	El Segundo, CA	1 TWh	Nov 1987	Aug 2024	Natural Gas : 99.8%
West Village Solar - Array 1Community Solar	CHF-Davis I, LLC	Davis, CA	2 GWh	Apr 2022	Dec 2023	Solar
West Village Solar - Array 2 Community Solar	CHF-Davis I, LLC	Davis, CA	2 GWh	Apr 2022	Dec 2023	Solar
Moccasin	City & County of San Francisco	Moccasin, CA	269 GWh	Jul 1969	Aug 2024	Water
R C Kirkwood	City & County of San Francisco	Groveland, CA	438 GWh	Jan 1967	Aug 2024	Water
SF Southeast Cogen Plant	City & County of San Francisco	San Francisco, CA	235 MWh	May 2002	Dec 2023	Other Biomass Gas
Dion R Holm	City & County of San Francisco	Groveland, CA	527 GWh	Jul 1960	Aug 2024	Water
Canyon Power Plant	City of Anaheim - (CA)	Anaheim, CA	82 GWh	Jul 2011	Aug 2024	Natural Gas
Bear Valley	City of Escondido - (CA)	Escondido, CA	3 GWh	May 1986	Dec 2023	Water
City of Hayward WWTP	City of Hayward	Hayward, CA	10 GWh	Oct 2010	Dec 2023	Other Biomass Gas : 66.0% Solar : 30.5% Natural Gas : 3.5%
Industry MetroLink PV 1	City of Industry	Industry, CA	860 MWh	Mar 2012	Dec 2023	Solar
City of Palo Alto	City of Palo Alto	Palo Alta, CA	21 MWh	Feb 2002	Dec 2023	Natural Gas
Glenarm	City of Pasadena - (CA)	Pasadena, CA	41 GWh	Dec 1975	Dec 2023	Natural Gas
Springs Generating Station	City of Riverside - (CA)	Riverside, CA	11 GWh	Jun 2002	Dec 2023	Natural Gas
Riverside Energy Resource Center	City of Riverside - (CA)	Riverside, CA	53 GWh	May 2006	Dec 2023	Natural Gas
Clearwater Power Plant	City of Riverside - (CA)	Corona, CA	13 GWh	Feb 2005	Dec 2023	Natural Gas
North City - Landfill Gas Engines South	City of San Diego	San Diego, CA	2 GWh	Feb 1999	Dec 2022	Landfill Gas : 84.1% Natural Gas : 15.9%
Gas Utilization Facility	City of San Diego	San Diego, CA	33 GWh	May 1985	Aug 2024	Other Biomass Gas
North City - Landfill Gas Engine North	City of San Diego	San Diego, CA	4 GWh	Oct 2013	Dec 2022	Landfill Gas
Gianera	City of Santa Clara - (CA)	Santa Clara, CA	10 GWh	May 1986	Dec 2023	Natural Gas
Grizzly	City of Santa Clara - (CA)	N/A, CA	2 GWh	Oct 1993	Dec 2023	Water
Santa Clara Cogen	City of Santa Clara - (CA)	Santa Clara, CA	15 GWh	May 1982	Dec 2023	Natural Gas
Black Butte	City of Santa Clara - (CA)	Orland, CA	20 GWh	Aug 1988	Dec 2023	Water
Donald Von Raesfeld Power Plant	City of Santa Clara - (CA)	Santa Clara, CA	870 GWh	Feb 2005	Aug 2024	Natural Gas
Stony Gorge	City of Santa Clara - (CA)	Elk Creek, CA	13 GWh	Mar 1986	Dec 2023	Water
Laguna Water Reclamation Facility	City of Santa Rosa	Santa Rosa, CA	14 GWh	Feb 2013	Dec 2023	Other Biomass Gas : 85.5% Natural Gas : 14.5%
Regional Wastewater Control Facility	City of Stockton MUD	Stockton, CA	4 GWh	Oct 2000	Dec 2023	Other Biomass Gas : 97.7% Natural Gas : 2.2%
City of Tulare Water Facility	City of Tulare Water Pollution Control	Tulare, CA	24 GWh	Dec 1990	Dec 2022	Natural Gas : 83.2% Solar : 16.8%
Lake Mendocino	City of Ukiah - (CA)	Ukiah, CA	11 GWh	Apr 1987	Dec 2023	Water
Malburg	City of Vernon	Vernon, CA	320 GWh	Sep 2005	Aug 2024	Natural Gas
H. Gonzales	City of Vernon	Vernon, CA	298 MWh	Dec 1986	Dec 2023	Natural Gas
Lancaster	Clean Focus Yield, LLC	Lancaster, CA	8 GWh	Oct 2018	Dec 2023	Solar
Coronus Adelanto West 1	Clean Focus Yield, LLC	Adelanto, CA	3 GWh	Dec 2014	Dec 2023	Solar
Coronus Adelanto West 2	Clean Focus Yield, LLC	Adelanto, CA	3 GWh	Dec 2014	Dec 2023	Solar
SDCCD - Miramar	CleanCapital Holdings	San Diego, CA	1 GWh	Jan 2011	Dec 2023	Solar
Edwards Air Force Base	CleanCapital Holdings	Edwards, CA	866 MWh	Nov 2011	Dec 2023	Solar
SDCWA - Twin Oaks	CleanCapital Holdings	San Marcos, CA	117 MWh	Apr 2011	Nov 2023	Solar
Madera Community Hospital	CleanCapital Holdings	Madera, CA	2 GWh	Sep 2011	Jul 2023	Solar
EAFB - South Base	CleanCapital Holdings	Edwards Air Force Bas, CA	2 GWh	Jan 2012	Dec 2023	Solar
EAFB - North Base	CleanCapital Holdings	Edwards Air Force Bas, CA	3 GWh	Jan 2012	Dec 2023	Solar
CSD 2 - Heritage High	CleanCapital Holdings	Brentwood, CA	2 GWh	Aug 2013	Dec 2023	Solar
CSD 2- Freedom High	CleanCapital Holdings	Oakley, CA	1 GWh	Jul 2013	Dec 2023	Solar
California Valley Solar Ranch	Clearway Energy Operating LLC	California Valley, CA	624 GWh	Aug 2012	Dec 2023	Solar
Collins Pine Project	Collins Pine Co	Chester, CA	8 GWh	Nov 1985	Nov 2023	Wood/Wood Waste Solids
Drews Generating Facility	Colton Power LP	Colton, CA	606 MWh	Jul 2001	Dec 2023	Natural Gas
Century Generating Facility	Colton Power LP	Colton, CA	651 MWh	Aug 2001	Dec 2023	Natural Gas
Colton Solar One, LLC	Colton Solar One, LLC	San Bernardino, CA	2 GWh	May 2015	Dec 2023	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#28	Arizona Public Service Company	21.8 TWh	75
#52	Arlington Valley, LLC	3.6 TWh	1
#35	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	15.9 TWh	120
#22	Nevada Power Company	37.6 TWh	136
#56	New Harquahala Generating Company, LLC	2.9 TWh	1
#18	Salt River Project Agricultural Improvement and Power District	59.0 TWh	45
#57	Turlock Irrigation District	2.3 TWh	11
#41	Western Area Power Administration - Desert Southwest Region	8.6 TWh	30

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	461.0 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	247.9 TWh	393
#7	California Independent System Operator	191.5 TWh	1,943
#9	Tennessee Valley Authority	157.5 TWh	170
#10	Florida Power & Light Co.	147.7 TWh	159
#12	New York Independent System Operator	130.0 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556
#15	ISO New England	102.8 TWh	1,487
#16	Bonneville Power Administration	80.0 TWh	158