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	Apr 2025
Annual Generation	189.4 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 \| 43.4% Solar \| 24.7% Water \| 11.7% Wind \| 11% Nuclear \| 9.7%

Map of California Independent System Operator

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for California Independent System Operator.

Create Your Account Today

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
Baldy Mesa 2_Silver Peak Hybrid	AES Clean Energy	Adelanto, CA	173 MWh	-	Jan 2025	Solar
Baldy Mesa Solar & Storage	AES Clean Energy	Adelanto, CA	44 GWh	-	Jan 2025	Solar : 99.7%
Phelan Pinon Hills CSD Solar	Phelan Pinon Hills Community Services District	Adelanto, CA	3 GWh	Oct 2015	Nov 2023	Solar
Watts 3115	CD US Solar MT 2 LLC	Adelanto, CA	3 GWh	Jul 2013	Dec 2023	Solar
Adelanto Solar II, LLC	Adelanto Solar II, LLC	Adelanto, CA	17 GWh	Jun 2015	Dec 2023	Solar
Adelanto Solar, LLC	Adelanto Solar, LLC	Adelanto, CA	55 GWh	Aug 2015	Dec 2023	Solar
Industry Solar Power Generation Station 1 LLC	AES Distributed Energy	Adelanto, CA	4 GWh	Nov 2013	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
RE Victor Phelan Solar One LLC	MN8 Energy LLC	Adelanto, CA	40 GWh	Nov 2013	Dec 2023	Solar
Calabasas Gas to Energy Facility	Los Angeles County Sanitation	Agoura, CA	47 GWh	Jun 2010	Dec 2023	Landfill Gas
Alameda	Northern California Power Agny	Alameda, CA	4 GWh	Apr 1986	Dec 2023	Natural Gas
Ratkovich Alhambra	Bloom Energy	Alhambra, CA	8 GWh	Nov 2018	Dec 2023	Natural Gas
Atwell Island West Solar	Consolidated Edison Development Inc.	Alpaugh, CA	47 GWh	Apr 2015	Dec 2023	Solar
Alpaugh 50	Consolidated Edison Development Inc.	Alpaugh, CA	72 GWh	Nov 2012	Dec 2023	Solar
Alpaugh North	Consolidated Edison Development Inc.	Alpaugh, CA	22 GWh	Nov 2012	Dec 2023	Solar
White River Solar 2	Consolidated Edison Development Inc.	Alpaugh, CA	49 GWh	Aug 2014	Dec 2023	Solar
Atwell Island	SPS Atwell Island LLC	Alpaugh, CA	33 GWh	Feb 2013	Dec 2023	Solar
White River Solar	Consolidated Edison Development Inc.	Alpaugh, CA	45 GWh	Jun 2013	Dec 2023	Solar
Drum 1	Pacific Gas & Electric Co.	Alta, CA	88 GWh	Oct 1913	Dec 2023	Water
Drum 2	Pacific Gas & Electric Co.	Alta, CA	271 GWh	Nov 1965	Dec 2023	Water
Dutch Flat	Pacific Gas & Electric Co.	Alta, CA	112 GWh	Feb 1943	Dec 2023	Water
Alta Powerhouse	Pacific Gas & Electric Co.	Alta, CA	3 GWh	Oct 1902	Dec 2023	Water
American Canyon Solar	RP Napa Solar 1, LLC	American Canyon, CA	7 GWh	Aug 2019	Dec 2023	Solar
Kaiser East La Palma Ave. Fuel Cell	2016 ESA Project Company, LLC	Anaheim, CA	16 GWh	Aug 2017	Dec 2023	Natural Gas
AT&T Anaheim	Bloom Energy	Anaheim, CA	8 GWh	Aug 2016	Dec 2023	Natural Gas
Canyon Power Plant	City of Anaheim - (CA)	Anaheim, CA	66 GWh	Jul 2011	Jan 2025	Natural Gas
Anaheim Solar Energy Plant	Anaheim Public Utilities	Anaheim, CA	3 GWh	Jul 2014	Dec 2023	Solar
SPI Anderson 2	Sierra Pacific Industries	Anderson, CA	142 GWh	Jul 2015	Dec 2023	Wood/Wood Waste Solids : 99.8%
Wheelabrator Shasta	Shasta Sustainable Resource Management, Inc.	Anderson, CA	277 GWh	Sep 1987	Jan 2025	Wood/Wood Waste Solids
Coleman PH	Pacific Gas & Electric Co.	Anderson, CA	34 GWh	May 1979	Dec 2023	Water
Angels	Utica Water & Power Authority	Angels Camp, CA	7 GWh	Dec 1939	Dec 2023	Water
Riverview Energy Center	Gilroy Energy Center for Riverview	Antioch, CA	28 GWh	Apr 2003	Dec 2023	Natural Gas
Gateway Generating Station	Pacific Gas & Electric Co.	Antioch, CA	3 TWh	Dec 2008	Jan 2025	Natural Gas
Marsh Landing Generating Station	Marsh Landing LLC	Antioch, CA	114 GWh	Apr 2013	Jan 2025	Natural Gas
Kaiser Deer Valley Rd. Fuel Cell	2016 ESA Project Company, LLC	Antioch, CA	10 GWh	Mar 2017	Dec 2023	Natural Gas
SunAnza	Arizona Electric Pwr Coop Inc	Anza, CA	8 GWh	Aug 2017	Dec 2023	Solar
Navajo 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
Foundation Cemex BMQ	Foundation CA Fund VI Manager LLC	Apple Valley, CA	4 GWh	Nov 2012	Dec 2023	Wind
Nunn	CD US Solar MT 2 LLC	Apple Valley, CA	2 GWh	Jun 2013	Dec 2023	Solar
Otoe Solar Power Generation Station 1 LLC	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2023	Solar
SunEdison Walmart Apple Valley DC	SunE M5 Holdings LLC	Apple Valley, CA	969 MWh	Feb 2009	Dec 2023	Solar
Cabrillo College	Forefront Power, LLC	Aptos, CA	13 MWh	Nov 2023	Dec 2023	Solar
Sun Streams, LLC	EDP Renewables North America LLC	Arlington, AZ	411 GWh	Dec 2019	Jan 2025	Solar
Sunshine Valley Solar	EDP Renewables North America LLC	Armagosa, NV	263 GWh	Nov 2019	Jan 2025	Solar
Graniterock Quarry	CalCom Energy	Aromas, CA	9 GWh	Aug 2022	Dec 2023	Solar
Adobe Solar	Southern Power Co	Arvin, CA	39 GWh	Apr 2014	Dec 2023	Solar
Orion Solar II	Orion Solar II, LLC	Arvin, CA	18 GWh	May 2014	Dec 2023	Solar
Orion Solar I	Orion Solar I LLC	Arvin, CA	29 GWh	Mar 2014	Dec 2023	Solar
Atascadero State Hospital	Ecoplexus, Inc	Atascadero, CA	3 GWh	Jul 2020	Dec 2023	Solar
Big Creek 2A	Southern California Edison Co	Auberry, CA	376 GWh	Jul 1928	Jan 2025	Water
Big Creek 2	Southern California Edison Co	Auberry, CA	296 GWh	Nov 1913	Dec 2023	Water
Kerckhoff 2	Pacific Gas & Electric Co.	Auberry, CA	417 GWh	Apr 1983	Jan 2025	Water
Big Creek 3	Southern California Edison Co	Auberry, CA	608 GWh	Aug 1923	Jan 2025	Water
Big Creek 8	Southern California Edison Co	Auberry, CA	153 GWh	Jul 1921	Dec 2023	Water
Newcastle	Pacific Gas & Electric Co.	Auburn, CA	17 GWh	Nov 1986	Dec 2023	Water
Wise	Pacific Gas & Electric Co.	Auburn, CA	65 GWh	Feb 1917	Dec 2023	Water
Halsey	Pacific Gas & Electric Co.	Auburn, CA	7 GWh	Nov 1916	Dec 2022	Water
Combie South	Nevada Irrigation District	Auburn, CA	7 GWh	Mar 1984	Dec 2023	Water
Pebbly Beach Generating Station Hybrid	Southern California Edison Co	Avalon, CA	29 GWh	Jun 1958	Jan 2025	Distillate Fuel Oil : 94.6% Gaseous Propane : 5.4%
Sand Drag LLC	Avenal Solar Holdings LLC	Avenal, CA	33 GWh	Jul 2011	Dec 2023	Solar
Sun City Project LLC	Avenal Solar Holdings LLC	Avenal, CA	34 GWh	Jul 2011	Dec 2023	Solar
Avenal Park	Avenal Solar Holdings LLC	Avenal, CA	11 GWh	Jul 2011	Dec 2023	Solar
CED Avenal	Consolidated Edison Development Inc.	Avenal, CA	9 GWh	Dec 2016	Dec 2023	Solar
Diablo Canyon	Pacific Gas & Electric Co.	Avila Beach, CA	18 TWh	Apr 1985	Jan 2025	Nuclear
San Gabriel Hydro Project	Los Angeles County-San Gabriel	Azusa, CA	8 GWh	Nov 1987	May 2023	Water
Mt Poso Cogeneration	Mt Poso Cogeneration Co	Bakersfield, CA	268 GWh	Apr 1989	Sep 2023	Wood/Wood Waste Solids : 99.5% Natural Gas : 0.5%
Kern River Eastridge Cogen	Chevron USA Inc	Bakersfield, CA	226 GWh	May 1988	Jan 2025	Natural Gas
Western Power & Steam Inc	Western Power and Steam II LLC	Bakersfield, CA	23 GWh	Feb 1990	Jan 2025	Natural Gas
ABEC Bidart-Old River LLC	ABEC Bidart-Old River LLC	Bakersfield, CA	16 GWh	Nov 2013	Dec 2023	Other Biomass Gas
Double C Generation Limited Partnership	WCAC Operating Company	Bakersfield, CA	23 GWh	Feb 1989	Dec 2023	Natural Gas
Kern Front Limited	WCAC Operating Company	Bakersfield, CA	22 GWh	Jan 1989	Dec 2023	Natural Gas
Kern River 1	Southern California Edison Co	Bakersfield, CA	167 GWh	Apr 1907	Dec 2023	Water
RE Old River One, LLC	Onward Energy	Bakersfield, CA	35 GWh	Nov 2014	Dec 2023	Solar
Chalk Cliff Limited	WCAC Operating Company	Bakersfield, CA	11 GWh	Feb 1990	Dec 2024	Natural Gas
Live Oak Limited	WCAC Operating Company	Bakersfield, CA	12 GWh	Feb 1992	Jan 2025	Natural Gas
Regulus Solar Project	Regulus Solar, LLC	Bakersfield, CA	145 GWh	Oct 2014	Dec 2023	Solar
Badger Creek Limited	WCAC Operating Company	Bakersfield, CA	13 GWh	Mar 1991	Jan 2025	Natural Gas
McKittrick Limited	WCAC Operating Company	Bakersfield, CA	10 GWh	Sep 1991	Jan 2025	Natural Gas
Southeast Kern River Cogen	Chevron USA Inc	Bakersfield, CA	59 GWh	Jan 1989	Jan 2025	Natural Gas
Shafter Solar LLC	Shafter Solar LLC	Bakersfield, CA	48 GWh	Apr 2015	Dec 2023	Solar
Kern Oil & Refining Co	Kern Oil & Refining Co	Bakersfield, CA	35 GWh	Sep 2002	Jan 2025	Natural Gas
High Sierra Limited	WCAC Operating Company	Bakersfield, CA	23 GWh	Feb 1989	Dec 2023	Natural Gas
Bear Mountain Limited	WCAC Operating Company	Bakersfield, CA	29 GWh	Mar 1995	Jan 2025	Natural Gas
Improvement Dst No. 4	Kern County Water Agency	Bakersfield, CA	8 MWh	Dec 2008	Dec 2022	Solar
Rio Bravo Hydro Project	Olcese Water District	Bakersfield, CA	31 GWh	Apr 1989	Dec 2023	Water
Kern River Cogeneration	Kern River Cogeneration Co	Bakersfield, CA	238 GWh	Jun 1985	Jan 2025	Natural Gas
Bakersfield College Solar 01	Kern Community College District	Bakersfield, CA	2 GWh	Oct 2010	Dec 2022	Solar
Sycamore Cogeneration	Sycamore Cogeneration Co	Bakersfield, CA	289 GWh	Nov 1987	Jan 2025	Natural Gas
Vulcan San Emidio Solar	Renew Solar VMC LLC	Bakersfield, CA	3 GWh	Feb 2023	Dec 2023	Solar
Wheeler Ridge	AFTW Holdings, LLC	Bakersfield, CA	2 GWh	Aug 2023	Dec 2023	Solar
Bakersfield Industrial PV 1	AES Distributed Energy	Bakersfield, CA	2 GWh	Nov 2017	Dec 2023	Solar
Bakersfield PV 1	AES Distributed Energy	Bakersfield, CA	7 GWh	Nov 2017	Dec 2023	Solar
Liberty HS Solar Project	MN8 Energy LLC	Bakersfield, CA	2 GWh	Nov 2018	Dec 2023	Solar
Frontier HS Solar Project	MN8 Energy LLC	Bakersfield, CA	3 GWh	Nov 2018	Dec 2023	Solar
Berry NMW Cogens	Berry Petroleum Co	Bakersfield, CA	72 GWh	Oct 2017	Dec 2023	Natural Gas
E&B Resources	Terraform Arcadia	Bakersfield, CA	2 GWh	Nov 2013	Dec 2023	Solar
ABEC #3 dba Lakeview Dairy	ABEC #3 LLC	Bakersfield, CA	8 GWh	Jan 2018	Dec 2023	Other Biomass Gas
Calibrant Bakersfield LLC	Bay4 Energy Services, LLC	Bakersfield, CA	2 GWh	Jan 2022	Dec 2023	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#27	Arizona Public Service Company	22.6 TWh	75
#55	Arlington Valley, LLC	3.3 TWh	1
#36	Balancing Authority of Northern California	15.1 TWh	83
#48	Imperial Irrigation District	5.7 TWh	65
#33	Los Angeles Department of Water and Power	17.3 TWh	120
#22	Nevada Power Company	37.9 TWh	136
#53	New Harquahala Generating Company, LLC	3.6 TWh	1
#18	Salt River Project Agricultural Improvement and Power District	57.5 TWh	45
#58	Turlock Irrigation District	2.1 TWh	11
#41	Western Area Power Administration - Desert Southwest Region	8.4 TWh	30

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	473.6 TWh	1,139
#5	Southwest Power Pool	296.3 TWh	762
#6	Southern Company Services, Inc. - Trans	252.5 TWh	393
#7	California Independent System Operator	189.4 TWh	1,943
#8	Tennessee Valley Authority	158.9 TWh	170
#10	Florida Power & Light Co.	148.4 TWh	159
#12	New York Independent System Operator	131.1 TWh	1,100
#13	Duke Energy Carolinas	111.3 TWh	556
#15	ISO New England	103.9 TWh	1,487
#16	Bonneville Power Administration	82.8 TWh	158