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	Oct 2026
Annual Generation	168.7 TWh
Power Plants	2,170
Utilities	1,001
Ranked #7 out of 64 in terms of net annual generation
Ranked #14 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 32% Solar \| 30.9% Water \| 12.2% Wind \| 11.8% Nuclear \| 11.2% Coal \| 0%

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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
Calabasas Gas to Energy Facility	Los Angeles County Sanitation	Agoura, CA	32 GWh	Jun 2010	Dec 2025	Landfill Gas
Cabrillo College	Forefront Power, LLC	Aptos, CA	4 GWh	Nov 2023	Dec 2025	Solar
Cabazon Wind Partners	Shell Wind Energy Inc.	Cabazon, CA	108 GWh	Sep 2002	Dec 2025	Wind
CA-Ventura County CCD-Ventura College	Forefront Power, LLC	Ventura, CA	145 MWh	Nov 2025	Dec 2025	Solar
CA-Ventura Co CCD-Oxnard College Canopy	Forefront Power, LLC	Ventura, CA	3 GWh	Nov 2022	Dec 2025	Solar
CA - Ventura Co CCD - Moorpark College	Forefront Power, LLC	Moorpark, CA	5 GWh	Jul 2023	Dec 2025	Solar
CA- US Foods- Livermore	EDPRNA DG CA Livermore LLC	Livermore, CA	2 GWh	Jul 2024	Dec 2025	Solar
CA OXNARD 2600 Sakioka Dr	Catalyze Oxnard 2600 Sakioka Drive Microgrid, LLC	Oxnard, CA	3 GWh	Jun 2025	Dec 2025	Solar
CA Manteca 730 Spreckels Ave	Catalyze Manteca 730 Spreckels Avenue Microgrid LLC	Manteca, CA	100 MWh	Aug 2024	Dec 2025	Solar
CA - Madera USD - Madera South HS	Forefront Power, LLC	Madera, CA	2 GWh	Aug 2023	Dec 2025	Solar
CA Jurupa Valley 3251 De Forest Circle	Catalyze Mira Loma 3251 De Forest Circle Microgrid LLC	Jurupa Valley, CA	8 GWh	Mar 2024	Dec 2025	Solar
CA Institute for Women	Ecoplexus, Inc	Chino, CA	2 GWh	Jan 2020	Dec 2025	Solar
CA - Fresno County - Juvenile Hall	Forefront Power, LLC	Fresno, CA	7 GWh	Feb 2022	Dec 2025	Solar
CA - Fresno, City of - SE Surface WTP	Forefront Power, LLC	Fresno, CA	7 GWh	Dec 2024	Dec 2025	Solar
CA Flats Solar 150, LLC	Arevon Energy, Inc.	Shandon, CA	282 GWh	Jan 2019	Jul 2026	Solar
CA Flats Solar 130, LLC	California Flats Solar 130, LLC	Shandon, CA	258 GWh	Oct 2017	Jul 2026	Solar
CA-DGS RFP-Salinas Valley State Prison	Forefront Power, LLC	Soledad, CA	8 GWh	Oct 2023	Dec 2025	Solar
CA - DGS RFP - RJ Donovan State Prison	Forefront Power, LLC	San Diego, CA	2 GWh	Dec 2023	Dec 2025	Solar
CA-DGS RFP-Pleasant Valley State Prison	Forefront Power, LLC	Coalinga, CA	4 GWh	Dec 2023	Dec 2025	Solar
CA-DGS- RFP-Correctional Training Fac	Forefront Power, LLC	Soledad, CA	4 GWh	Feb 2024	Dec 2025	Solar
CA-DGS-California Men's Colony	Forefront Power, LLC	San Luis Obispo, CA	5 GWh	Apr 2023	Dec 2025	Solar
CA-DGS-California Correctional Inst	Forefront Power, LLC	Tehachapi, CA	4 GWh	Mar 2024	Dec 2025	Solar
CA Dept of Public Health at Richmond	California PV Energy LLC	Richmond, CA	4 GWh	Dec 2016	Dec 2025	Solar
CA - Amazon - SMF6	Forefront Power, LLC	Sacramento, CA	361 MWh	Sep 2025	Dec 2025	Solar
C&H Sugar Plant	C&H Sugar Company Inc	Crockett, CA	36 GWh	Sep 1957	Jul 2026	Purchased Steam
Byron Highway Solar	RPCA Solar 3, LLC	Byron, CA	12 GWh	Oct 2022	Dec 2025	Solar
Butte College Main Campus Solar	Butte-Glenn Community College District	Oroville, CA	7 GWh	Jun 2011	Dec 2025	Solar
Butt Valley	Pacific Gas & Electric Co.	Belden, CA	145 GWh	Nov 1958	Dec 2025	Water
Burney Forest Products	Burney Forest Products, A Joint Venture	Burney, CA	103 GWh	Sep 1989	Dec 2025	Wood/Wood Waste Solids : 69.9% Natural Gas : 30.1%
Burney Creek	Snow Mountain Hydro LLC	Burney, CA	9 GWh	Feb 1990	Dec 2025	Water
Building G	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Aug 2016	Dec 2025	Solar
Building F	Golden Springs Development Company LLC	Santa Fe Springs, CA	1 GWh	Oct 2016	Dec 2025	Solar
Buidling L	Golden Springs Development Company LLC	Santa Fe Springs, CA	1 GWh	Oct 2016	Dec 2025	Solar
Buena Vista Energy LLC	Leeward Asset Management, LLC	Byron, CA	96 GWh	Nov 2006	Dec 2025	Wind
Bucks Creek	Pacific Gas & Electric Co.	Storrie, CA	192 GWh	Feb 1928	Dec 2025	Water
Brookfield Tehachapi 1	Coram California Development, L.P.	Mojave, CA	164 GWh	Feb 2012	Dec 2025	Wind
Broadway 4 - Target Shafter	MN8 Energy LLC	Shafter, CA	3 GWh	Aug 2018	Dec 2025	Solar
Broadway 3 - UCSB Lot 38	MN8 Energy LLC	Santa Barbara, CA	3 GWh	Nov 2016	Dec 2025	Solar
Broadway 3 - UC Merced 1	MN8 Energy LLC	Merced, CA	929 MWh	Sep 2009	Dec 2025	Solar
Broadway 2 - UC Riverside	MN8 Energy LLC	Riverside, CA	4 GWh	Aug 2014	Dec 2025	Solar
Broadridge Cogen	Broadridge Customer Communications	El Dorado Hills, CA	9 GWh	Apr 2008	Dec 2025	Natural Gas : 83.4% Solar : 16.6%
Brea Expansion Plant	Brea Power II	Brea, CA	243 GWh	Oct 2012	Jul 2026	Landfill Gas
Bowman	Nevada Irrigation District	Nevada City, CA	14 GWh	Aug 1986	Dec 2025	Water
Bowerman Power LFG, LLC	Bowerman Power LFG, LLC	Irvine, CA	151 GWh	Mar 2016	Dec 2025	Landfill Gas
Border Hybrid Energy Center	CalPeak Power, LLC	San Diego, CA	9 GWh	Oct 2001	Dec 2025	Natural Gas
Borden Solar Farm	41MB 8me, LLC	Madera, CA	82 GWh	May 2020	Jul 2026	Solar
Bodega Avenue Solar LLC	Bodega Avenue Solar LLC	Petaluma, CA	4 GWh	Dec 2020	Dec 2025	Solar
Bob Wiley Detention Center	SoCore Energy LLC	Visalia, CA	3 GWh	Aug 2020	Dec 2025	Solar
Blythe Solar IV, LLC	Blythe Solar IV, LLC	Blythe, CA	334 GWh	Oct 2020	Jul 2026	Solar
Blythe Solar III, LLC Hybrid	Blythe Solar III, LLC	Blythe, CA	343 GWh	Apr 2020	Jul 2026	Solar
Blythe Solar II, LLC	Blythe Solar II, LLC	Blythe, CA	325 GWh	Jun 2016	Jul 2026	Solar
Blythe Solar 110, LLC	Blythe Solar 110, LLC	Blythe, CA	284 GWh	Feb 2016	Dec 2025	Solar
Blythe Mesa Solar II	Intersect USA, LLC	Blythe, CA	569 GWh	Nov 2022	Jul 2026	Solar
Blythe Energy Inc	AltaGas Blythe Operations Inc	Blythe, CA	407 GWh	Nov 2003	Jul 2026	Natural Gas
Blue Moon Farms	Bravo REC Management LLC	Tipton, CA	2 GWh	Jul 2024	Dec 2025	Solar
Blackwell Solar Park	RWE Clean Energy	Lost Hills, CA	39 GWh	Dec 2018	Dec 2025	Solar
Blacksand Generating Facility	Bridge Energy LLC	Brea, CA	31 GWh	May 2000	Dec 2025	Natural Gas
Blackjack Solar	South County Packing	King City, CA	9 GWh	Nov 2020	Dec 2025	Solar
Black Butte	City of Santa Clara - (CA)	Orland, CA	9 GWh	Aug 1988	Dec 2025	Water
Bishop Ranch - BR 8-Q	Executive Parkway BR8-Q Solar Project 2020 LLC	San Ramon, CA	871 MWh	Mar 2025	Dec 2025	Solar
Bishop Ranch - BR 8-P	Distributed Solar Development, LLC	San Ramon, CA	1 GWh	Oct 2024	Dec 2025	Solar
Bishop Ranch - BR 8-O	Executive Parkway BR8-O Solar Project 2020 LLC	San Ramon, CA	1 GWh	Feb 2025	Dec 2025	Solar
Bishop Ranch - BR 2600	Camino Ramon BR 2600 Solar Project 2020, LLC	San Ramon, CA	764 MWh	Jun 2025	Dec 2025	Solar
Bishop Ranch - BR 15-DD	Alcosta Boulevard BR 15-DD Solar Project 2020, LLC	San Ramon, CA	62 MWh	Feb 2025	May 2025	Solar
Bishop Ranch - BR 15-CC	Alcosta Boulevard BR 15-CC Solar Project 2020, LLC	San Ramon, CA	950 MWh	Feb 2025	Dec 2025	Solar
Bishop Ranch - BR 15-AA	Alcosta Boulevard BR 15-AA Solar Project 2020 LLC	San Ramon, CA	766 MWh	Mar 2025	Dec 2025	Solar
Bishop Ranch - BR 1-Y	Distributed Solar Development, LLC	San Ramon, CA	2 GWh	Feb 2022	Dec 2025	Solar
Bishop Ranch BR 1-X	Bollinger Canyon Road BR 1-X Solar Project 2020	San Ramon, CA	2 GWh	Feb 2022	Dec 2025	Solar
Bishop Creek 6	Southern California Edison Co	Bishop, CA	9 GWh	Feb 1913	Dec 2025	Water
Bishop Creek 5	Southern California Edison Co	Bishop, CA	11 GWh	May 1919	Dec 2025	Water
Bishop Creek 4	Southern California Edison Co	Bishop, CA	36 GWh	Aug 1905	Dec 2025	Water
Bishop Creek 3	Southern California Edison Co	Bishop, CA	24 GWh	May 1913	Dec 2025	Water
Bishop Creek 2	Southern California Edison Co	Bishop, CA	13 GWh	Oct 1908	Dec 2025	Water
Biola University Hybrid	Biola University	La Mirada, CA	13 GWh	Mar 1990	Jul 2026	Natural Gas
Bio-Rad	Vista Solar, Inc.	Hercules, CA	3 GWh	Sep 2021	Dec 2025	Solar
BigBeau Solar, LLC	Big Beau Solar, LLC	Rosamond, CA	323 GWh	Jan 2022	Jul 2026	Solar
Big Creek Water Works	Big Creek Water Works Ltd	Hyampom, CA	6 GWh	Dec 1986	May 2026	Water
Big Creek 8	Southern California Edison Co	Auberry, CA	152 GWh	Jul 1921	Dec 2025	Water
Big Creek 4	Southern California Edison Co	North Fork, CA	404 GWh	May 1951	Jul 2026	Water
Big Creek 3	Southern California Edison Co	Auberry, CA	760 GWh	Aug 1923	Jul 2026	Water
Big Creek 2A	Southern California Edison Co	Auberry, CA	325 GWh	Jul 1928	Jul 2026	Water
Big Creek 2	Southern California Edison Co	Auberry, CA	377 GWh	Nov 1913	Dec 2025	Water
Big Creek 1	Southern California Edison Co	Big Creek, CA	409 GWh	Oct 1913	Dec 2025	Water
Bidwell Ditch Project	Mega Renewables	Hat Creek, CA	12 GWh	Feb 1987	Dec 2025	Water
Berry Placerita Cogen	Shadow Wolf Energy	Santa Clarita, CA	4 GWh	Feb 1990	Jul 2026	Natural Gas
Berry NMW Cogens	Berry Petroleum Co	Bakersfield, CA	76 GWh	Oct 2017	Dec 2025	Natural Gas
Berry Cogen Tanne Hills 18	Berry Petroleum Co	Maricopa, CA	138 GWh	Nov 1986	Jul 2026	Natural Gas
Berry Cogen	Berry Petroleum Co	Taft, CA	9 GWh	Nov 1986	May 2026	Natural Gas
Berrenda Mesa Water District	The Greater Light USA LLC	Lost Hills, CA	15 GWh	Jun 2023	Nov 2025	Solar
Beringer	SunStrong Management, LLC	Saint Helena, CA	2 GWh	Dec 2008	Dec 2025	Solar
Bellefield Solar and Energy Storage Farm	50LW 8me LLC	Mojave, CA	639 GWh	Nov 2025	Jul 2026	Solar
Belden	Pacific Gas & Electric Co.	Belden, CA	430 GWh	Aug 1969	Jul 2026	Water
Beardsley	Oakdale&South San Joaquin Irrigation D.	None, CA	56 GWh	Apr 1957	Dec 2025	Water
Bear Valley Power Plant	Bear Valley Electric Service	Big Bear Lake, CA	2 GWh	Dec 2004	Dec 2025	Natural Gas
Bear Valley	City of Escondido - (CA)	Escondido, CA	3 GWh	May 1986	Aug 2025	Water
Bear Mountain Limited	WCAC Operating Company	Bakersfield, CA	38 GWh	Mar 1995	Jul 2026	Natural Gas
Bear Creek Solar (Orinda)	Solar Star Bear Creek, LLC	Orinda, CA	7 GWh	Mar 2025	Dec 2025	Solar
Bear Creek Solar (Lodi)	Ecos Energy LLC	Lodi, CA	4 GWh	Jan 2014	Nov 2025	Solar
Bear Creek (CA)	Central Rivers Power US, LLC	Shingletown, CA	7 GWh	Dec 1989	Dec 2025	Water
BCE Seal Beach	BCE Seal Beach	Seal Beach, CA	12 GWh	Oct 2025	Jul 2026	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#25	Arizona Public Service Company	25.8 TWh	102
#55	Arlington Valley, LLC	3.2 TWh	1
#38	Balancing Authority of Northern California	13.9 TWh	91
#49	Imperial Irrigation District	6.2 TWh	66
#29	Los Angeles Department of Water and Power	19.3 TWh	132
#22	Nevada Power Company	38.6 TWh	143
#51	PUD No. 1 of Douglas County	4.4 TWh	5
#19	Salt River Project Agricultural Improvement and Power District	60.5 TWh	51
#57	Turlock Irrigation District	1.9 TWh	11
#39	Western Area Power Administration - Desert Southwest Region	10.6 TWh	36

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	506.3 TWh	1,487
#5	Southwest Power Pool	314.5 TWh	876
#6	Southern Company Services, Inc. - Trans	259.3 TWh	423
#7	California Independent System Operator	168.7 TWh	2,170
#9	Tennessee Valley Authority	166.2 TWh	209
#10	Florida Power & Light Co.	153.0 TWh	188
#12	New York Independent System Operator	134.1 TWh	1,334
#13	Duke Energy Carolinas	113.4 TWh	578
#15	ISO New England	112.2 TWh	1,667
#16	Bonneville Power Administration	91.1 TWh	170