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
Big Creek 2A	Southern California Edison Co	Auberry, CA	537 GWh	Jul 1928	Aug 2024	Water
Bishop Creek 2	Southern California Edison Co	Bishop, CA	36 GWh	Oct 1908	Dec 2023	Water
Bishop Creek 3	Southern California Edison Co	Bishop, CA	26 GWh	May 1913	Dec 2023	Water
Bishop Creek 4	Southern California Edison Co	Bishop, CA	50 GWh	Aug 1905	Dec 2023	Water
Bishop Creek 5	Southern California Edison Co	Bishop, CA	14 GWh	May 1919	Dec 2023	Water
Bishop Creek 6	Southern California Edison Co	Bishop, CA	10 GWh	Feb 1913	Dec 2023	Water
Santa Ana 3	Southern California Edison Co	Highlands, CA	424 MWh	Aug 1999	Dec 2023	Water
Kaweah 2	Southern California Edison Co	Three Rivers, CA	693 MWh	Aug 1929	Dec 2023	Water
Kern River 3	Southern California Edison Co	Kernville, CA	185 GWh	Feb 1921	Dec 2023	Water
Kern River 1	Southern California Edison Co	Bakersfield, CA	167 GWh	Apr 1907	Dec 2023	Water
Lundy	Southern California Edison Co	Lee Vining, CA	11 GWh	Nov 1911	Dec 2023	Water
Mammoth Pool	Southern California Edison Co	North Fork, CA	562 GWh	Feb 1960	Aug 2024	Water
Poole	Southern California Edison Co	Lee Vining, CA	36 GWh	Apr 1924	Dec 2023	Water
Portal	Southern California Edison Co	Lakeshore, CA	21 GWh	Nov 1956	Dec 2023	Water
Rush Creek	Southern California Edison Co	June lake, CA	40 GWh	Sep 1916	Dec 2023	Water
Mountainview Generating Station	Southern California Edison Co	Redlands, CA	3 TWh	Nov 2005	Aug 2024	Natural Gas
Santa Ana 1	Southern California Edison Co	Highlands, CA	6 MWh	Dec 1898	Aug 2023	Water
Solar Photovoltaic Project #13	Southern California Edison Co	Redlands, CA	2 GWh	Jan 2015	Apr 2023	Solar
Grapeland Hybrid	Southern California Edison Co	Rancho Cucamonga, CA	4 GWh	Aug 2007	Dec 2023	Natural Gas
McGrath Peaker	Southern California Edison Co	Oxnard, CA	11 GWh	Oct 2012	Dec 2023	Natural Gas
Solar Photovoltaic Project #18	Southern California Edison Co	Fontana, CA	1 GWh	Oct 2012	Mar 2023	Solar
Solar Photovoltaic Project #17	Southern California Edison Co	Fontana, CA	3 GWh	Dec 2014	Apr 2023	Solar
Cal State Univ San Bernardino FC01	Southern California Edison Co	San Bernardino, CA	8 GWh	Aug 2013	Dec 2022	Natural Gas
Solar Photovoltaic Project #16	Southern California Edison Co	Redlands, CA	1 GWh	Jan 2015	Mar 2023	Solar
Solar Photovoltaic Project #15	Southern California Edison Co	Fontana, CA	1 GWh	Dec 2012	Apr 2023	Solar
Solar Photovoltaic Project #33	Southern California Edison Co	Ontario, CA	1 GWh	Dec 2014	Apr 2023	Solar
Solar Photovoltaic Project #32	Southern California Edison Co	Ontario, CA	1 GWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #23	Southern California Edison Co	Fontana, CA	1 GWh	Dec 2012	Apr 2023	Solar
Solar Photovoltaic Project #42	Southern California Edison Co	Tulare, CA	7 GWh	Oct 2012	Dec 2023	Solar
Solar Photovoltaic Project #03	Southern California Edison Co	Rialto, CA	453 MWh	Feb 2011	Apr 2023	Solar
Solar Photovoltaic Project #05	Southern California Edison Co	Redlands, CA	1 GWh	Oct 2012	Apr 2023	Solar
Solar Photovoltaic Project #06	Southern California Edison Co	Ontario, CA	687 MWh	Jul 2011	Mar 2023	Solar
Solar Photovoltaic Project #11	Southern California Edison Co	Redlands, CA	3 GWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #10	Southern California Edison Co	Fontana, CA	764 MWh	Dec 2012	Mar 2023	Solar
Solar Photovoltaic Project #09	Southern California Edison Co	Ontario, CA	581 MWh	Jul 2011	Mar 2023	Solar
Solar Photovoltaic Project #08	Southern California Edison Co	Ontario, CA	742 MWh	Jul 2011	Mar 2023	Solar
Solar Photovoltaic Project #07	Southern California Edison Co	Redlands, CA	2 GWh	Oct 2012	Apr 2023	Solar
Mira Loma Peaker	Southern California Edison Co	Ontario, CA	11 GWh	Aug 2007	Dec 2023	Natural Gas
Solar Photovoltaic Project #48	Southern California Edison Co	Redlands, CA	3 GWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #28	Southern California Edison Co	San Bernardino, CA	2 GWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #02	Southern California Edison Co	Chino, CA	483 MWh	Nov 2009	Apr 2023	Solar
Solar Photovoltaic Project #27	Southern California Edison Co	Rialto, CA	845 MWh	Jan 2015	Apr 2023	Solar
Mill Creek 3	Southern California Edison Co	Mill Creek, CA	11 GWh	Feb 1903	Dec 2023	Water
Center Hybrid	Southern California Edison Co	Norwalk, CA	4 GWh	Aug 2007	Dec 2023	Natural Gas
Solar Photovoltaic Project #26	Southern California Edison Co	Rialto, CA	5 GWh	Jan 2015	Apr 2023	Solar
Pebbly Beach Generating Station Hybrid	Southern California Edison Co	Avalon, CA	29 GWh	Jun 1958	Aug 2024	Distillate Fuel Oil : 94.4% Gaseous Propane : 5.6%
Barre Peaker	Southern California Edison Co	Stanton, CA	22 GWh	Aug 2007	Nov 2023	Natural Gas
RE Garland A	Southern Power Co	Rosamond, CA	48 GWh	Aug 2016	Dec 2023	Solar
Campo Verde Solar	Southern Power Co	El Centro, CA	329 GWh	Sep 2013	Dec 2023	Solar
Adobe Solar	Southern Power Co	Arvin, CA	39 GWh	Apr 2014	Dec 2023	Solar
Henrietta Solar Project	Southern Power Co	Lemoore, CA	234 GWh	Jul 2016	Dec 2023	Solar
North Star Solar	Southern Power Co	Mendota, CA	136 GWh	May 2015	Dec 2023	Solar
Lost Hills/Blackwell	Southern Power Co	Lost Hills, CA	77 GWh	Mar 2015	Dec 2023	Solar
Stateline Solar	Southern Power Co	Nipton, CA	619 GWh	Nov 2015	Dec 2023	Solar
Gaskell West 1 Solar Facility	Southern Power Co	Lancaster, CA	26 GWh	Feb 2018	Dec 2023	Solar
RE Garland	Southern Power Co	Rosamond, CA	384 GWh	Oct 2016	Dec 2023	Solar
Solar Gen 2 Solar Facility	Southern Power Co	Calipatria, CA	377 GWh	Oct 2014	Dec 2023	Solar
RE Tranquillity	Southern Power Co	Cantua Creek, CA	450 GWh	Jun 2016	Dec 2023	Solar
Morelos del Sol	Southern Power Co	Lost Hills, CA	30 GWh	Oct 2015	Dec 2023	Solar
Atwell Island	SPS Atwell Island LLC	Alpaugh, CA	33 GWh	Feb 2013	Dec 2023	Solar
Santa Rita Jail Fuel Cell	SRJFC, LLC	Dublin, CA	11 GWh	Nov 2016	Dec 2023	Natural Gas
San Antonio West Solar Rooftop	SS San Antonio West LLC	Chino, CA	2 GWh	Jul 2012	Dec 2023	Solar
Vallecitos Water District	SSA Solar of CA 5, LLC	San Marcos, CA	3 GWh	Aug 2021	Dec 2023	Solar
Stage Gulch Solar	Stage Gulch Solar, LLC	Petaluma, CA	2 GWh	Mar 2018	Dec 2023	Solar
Lake Elsinore Canopies - Lakeside HS	Standard Solar	Lake Elsinore, CA	2 GWh	Feb 2022	Dec 2023	Solar
City of Rosamond (CA)	Standard Solar	Rosamond, CA	1 GWh	Apr 2023	Dec 2023	Solar
Stenner Creek Solar	Stenner Creek Solar LLC	San Luis Obispo, CA	700 MWh	Apr 2018	Dec 2023	Solar
Still Water Power	Still Water Power LLC	Hanford, CA	634 MWh	Apr 2020	Dec 2023	Other Biomass Gas
Strauss Wind Farm	Strauss Wind LLC	Lompoc, CA	180 GWh	Nov 2023	Aug 2024	Wind
Sun Streams 2	Sun Streams 2, LLC	Hassayampa, AZ	309 GWh	May 2021	Aug 2024	Solar
CDCR (CA) - Corcoran State Prison	SunE Corcoran SP Owner, LLC	Corcoran, CA	9 GWh	Nov 2013	Dec 2023	Solar
Chuckawalla Valley State Prison	SunE CPA CDC1 LLC	Blythe, CA	1 GWh	May 2006	Dec 2023	Solar
SunEdison Ironwood State Prison	SunE CPA CDC2 LLC	Blythe, CA	1 GWh	Apr 2008	Dec 2023	Solar
City of Madera WWTP	SunE GIL1, LLC	Madera, CA	2 GWh	Aug 2009	Sep 2023	Solar
SunEdison Anheuser Busch Fairfield	SunE M5 Holdings LLC	Fairfield, CA	747 MWh	Nov 2008	Dec 2023	Solar
SunEdison Walmart Apple Valley DC	SunE M5 Holdings LLC	Apple Valley, CA	969 MWh	Feb 2009	Dec 2023	Solar
North Kern State Prison Phase II	SunE P11L Holdings, LLC	Delano, CA	7 GWh	Aug 2012	Dec 2023	Solar
CDCR (CA) - Solano State Prison	SunE Solano SP Owner, LLC	Vacaville, CA	2 GWh	Nov 2013	Dec 2023	Solar
SunE Rochester	SunE Solar XVI Lessor, LLC	Rancho Cucamonga, CA	1 GWh	Jul 2016	Oct 2023	Solar
SunEdison Procter & Gamble Oxnard	SunE U6 Holdings LLC	Oxnard, CA	1 GWh	Sep 2009	Dec 2023	Solar
Mariani Packing Vacaville Solar	SunE U6 Holdings LLC	Vacaville, CA	891 MWh	Oct 2008	Dec 2023	Solar
CDCR (CA) - Wasco State Prison	SunE Wasco SP Owner, LLC	Wasco, CA	4 GWh	Nov 2013	Dec 2023	Solar
Kohls San Bernardino Solar Facility	SunE WF3 KHL A Holdings, LLC	San Bernardino, CA	1 GWh	Oct 2007	Dec 2023	Solar
Staples La Mirada, CA	SunE WF3-ST Holdings, LLC	La Mirada, CA	2 GWh	Feb 2009	Dec 2023	Solar
SunEdison Walgreens Moreno Valley	SunE WG113 Moreno Valley LLC	Moreno Valley, CA	1 GWh	Aug 2007	Dec 2023	Solar
Walgreens Woodland Distribution Center	SunE WG45 Woodland LLC	Woodland, CA	775 MWh	Jul 2007	Dec 2023	Solar
SunE- E Philadelphia Ontario	SunEdison LLC	Ontario, CA	1 GWh	Feb 2016	Dec 2023	Solar
SCE-Snowline-White Road (South)	SunEdison LLC	Phelan, CA	3 GWh	Oct 2014	Dec 2023	Solar
SCE-Snowline-White Road (North)	SunEdison LLC	Phelan, CA	3 GWh	Oct 2014	Dec 2023	Solar
SCE-Snowline-Duncan Road (North)	SunEdison LLC	Phelan, CA	3 GWh	Sep 2014	Dec 2023	Solar
SCE-Snowline-White Rd (Central)	SunEdison LLC	Phelan, CA	4 GWh	Oct 2014	Dec 2023	Solar
SCE-Snowline-Duncan Road (South)	SunEdison LLC	Phelan, CA	2 GWh	Sep 2014	Dec 2023	Solar
Hesperia	SunEdison LLC	Hesperia, CA	3 GWh	Jul 2014	Dec 2023	Solar
Sunny Cow Solar, LLC	Sunny Cow Solar, LLC	Bakersfield, CA	847 MWh	Sep 2023	Dec 2023	Solar
Sunnyvale City of WPCP	Sunnyvale City of WPCP	Sunnyvale, CA	10 GWh	Oct 1997	Dec 2023	Natural Gas : 40.7% Landfill Gas : 30.6% Other Biomass Gas : 28.7%
Sunray 2	Sunray Energy 2, LLC	Daggett, CA	57 GWh	Nov 1984	Dec 2023	Solar
Sunray 3	Sunray Energy 3 LLC	Daggett, CA	33 GWh	Nov 1985	Dec 2023	Solar
Sunrise Power LLC	Sunrise Power Co LLC	Fellows, CA	3 TWh	May 2001	Aug 2024	Natural Gas
Sunshine Gas Producers	Sunshine Gas Producers LLC	Sylmar, CA	116 GWh	Jul 2014	Aug 2024	Landfill Gas
Sycamore Cogeneration	Sycamore Cogeneration Co	Bakersfield, CA	376 GWh	Nov 1987	Aug 2024	Natural Gas

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