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
Solar Gen 2 Solar Facility	Southern Power Co	Calipatria, CA	377 GWh	Oct 2014	Dec 2023	Solar
Morelos del Sol	Southern Power Co	Lost Hills, CA	30 GWh	Oct 2015	Dec 2023	Solar
Campo Verde Solar	Southern Power Co	El Centro, CA	329 GWh	Sep 2013	Dec 2023	Solar
RE Garland	Southern Power Co	Rosamond, CA	384 GWh	Oct 2016	Dec 2023	Solar
North Star Solar	Southern Power Co	Mendota, CA	136 GWh	May 2015	Dec 2023	Solar
Gaskell West 1 Solar Facility	Southern Power Co	Lancaster, CA	26 GWh	Feb 2018	Dec 2023	Solar
Lost Hills/Blackwell	Southern Power Co	Lost Hills, CA	77 GWh	Mar 2015	Dec 2023	Solar
Henrietta Solar Project	Southern Power Co	Lemoore, CA	234 GWh	Jul 2016	Dec 2023	Solar
Adobe Solar	Southern Power Co	Arvin, CA	39 GWh	Apr 2014	Dec 2023	Solar
Solar Photovoltaic Project #06	Southern California Edison Co	Ontario, CA	687 MWh	Jul 2011	Mar 2023	Solar
Bishop Creek 2	Southern California Edison Co	Bishop, CA	36 GWh	Oct 1908	Dec 2023	Water
Cal State Univ San Bernardino FC01	Southern California Edison Co	San Bernardino, CA	8 GWh	Aug 2013	Dec 2022	Natural Gas
Big Creek 2A	Southern California Edison Co	Auberry, CA	537 GWh	Jul 1928	Aug 2024	Water
Kaweah 2	Southern California Edison Co	Three Rivers, CA	693 MWh	Aug 1929	Dec 2023	Water
Solar Photovoltaic Project #22	Southern California Edison Co	Redlands, CA	330 MWh	Jul 2011	Mar 2023	Solar
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
Solar Photovoltaic Project #07	Southern California Edison Co	Redlands, CA	2 GWh	Oct 2012	Apr 2023	Solar
Bishop Creek 3	Southern California Edison Co	Bishop, CA	26 GWh	May 1913	Dec 2023	Water
Solar Photovoltaic Project #05	Southern California Edison Co	Redlands, CA	1 GWh	Oct 2012	Apr 2023	Solar
Solar Photovoltaic Project #26	Southern California Edison Co	Rialto, CA	5 GWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #27	Southern California Edison Co	Rialto, CA	845 MWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #28	Southern California Edison Co	San Bernardino, CA	2 GWh	Jan 2015	Apr 2023	Solar
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
Solar Photovoltaic Project #33	Southern California Edison Co	Ontario, CA	1 GWh	Dec 2014	Apr 2023	Solar
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
Solar Photovoltaic Project #23	Southern California Edison Co	Fontana, CA	1 GWh	Dec 2012	Apr 2023	Solar
Solar Photovoltaic Project #18	Southern California Edison Co	Fontana, CA	1 GWh	Oct 2012	Mar 2023	Solar
Solar Photovoltaic Project #08	Southern California Edison Co	Ontario, CA	742 MWh	Jul 2011	Mar 2023	Solar
Solar Photovoltaic Project #09	Southern California Edison Co	Ontario, CA	581 MWh	Jul 2011	Mar 2023	Solar
Solar Photovoltaic Project #17	Southern California Edison Co	Fontana, CA	3 GWh	Dec 2014	Apr 2023	Solar
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
Fontana	Southern California Edison Co	Rialto, CA	6 GWh	Nov 1917	Dec 2023	Water
Bishop Creek 6	Southern California Edison Co	Bishop, CA	10 GWh	Feb 1913	Dec 2023	Water
Solar Photovoltaic Project #13	Southern California Edison Co	Redlands, CA	2 GWh	Jan 2015	Apr 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 #02	Southern California Edison Co	Chino, CA	483 MWh	Nov 2009	Apr 2023	Solar
Solar Photovoltaic Project #42	Southern California Edison Co	Tulare, CA	7 GWh	Oct 2012	Dec 2023	Solar
Solar Photovoltaic Project #48	Southern California Edison Co	Redlands, CA	3 GWh	Jan 2015	Apr 2023	Solar
Center Hybrid	Southern California Edison Co	Norwalk, CA	4 GWh	Aug 2007	Dec 2023	Natural Gas
Barre Peaker	Southern California Edison Co	Stanton, CA	22 GWh	Aug 2007	Nov 2023	Natural Gas
Mira Loma Peaker	Southern California Edison Co	Ontario, CA	11 GWh	Aug 2007	Dec 2023	Natural Gas
Santa Ana 3	Southern California Edison Co	Highlands, CA	424 MWh	Aug 1999	Dec 2023	Water
Santa Ana 1	Southern California Edison Co	Highlands, CA	6 MWh	Dec 1898	Aug 2023	Water
Grapeland Hybrid	Southern California Edison Co	Rancho Cucamonga, CA	4 GWh	Aug 2007	Dec 2023	Natural Gas
Mountainview Generating Station	Southern California Edison Co	Redlands, CA	3 TWh	Nov 2005	Aug 2024	Natural Gas
Solar Photovoltaic Project #03	Southern California Edison Co	Rialto, CA	453 MWh	Feb 2011	Apr 2023	Solar
Rush Creek	Southern California Edison Co	June lake, CA	40 GWh	Sep 1916	Dec 2023	Water
Big Creek 1	Southern California Edison Co	Big Creek, CA	394 GWh	Oct 1913	Dec 2023	Water
McGrath Peaker	Southern California Edison Co	Oxnard, CA	11 GWh	Oct 2012	Dec 2023	Natural Gas
J S Eastwood	Southern California Edison Co	Shaver Lake, CA	4 GWh	Nov 1987	Aug 2024	Water
Big Creek 2	Southern California Edison Co	Auberry, CA	296 GWh	Nov 1913	Dec 2023	Water
Big Creek 3	Southern California Edison Co	Auberry, CA	783 GWh	Aug 1923	Aug 2024	Water
Portal	Southern California Edison Co	Lakeshore, CA	21 GWh	Nov 1956	Dec 2023	Water
Big Creek 4	Southern California Edison Co	North Fork, CA	453 GWh	May 1951	Aug 2024	Water
Big Creek 8	Southern California Edison Co	Auberry, CA	153 GWh	Jul 1921	Dec 2023	Water
Poole	Southern California Edison Co	Lee Vining, CA	36 GWh	Apr 1924	Dec 2023	Water
Mill Creek 3	Southern California Edison Co	Mill Creek, CA	11 GWh	Feb 1903	Dec 2023	Water
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%
Solar Photovoltaic Project #32	Southern California Edison Co	Ontario, CA	1 GWh	Jan 2015	Apr 2023	Solar
Sacramento Municipal Util Dist	South Sutter Water District	Sacramento, CA	24 GWh	Jan 1985	Aug 2023	Water
Robert O Schulz Solar Farm	South San Joaquin Irr District	Oakdale, CA	2 GWh	Apr 2008	Dec 2023	Solar
Woodleaf	South Feather Water and Power Agency	Forbestown, CA	232 GWh	Oct 1963	Dec 2023	Water
Kelly Ridge	South Feather Water and Power Agency	Oroville, CA	65 GWh	Aug 1963	Dec 2023	Water
Sly Creek	South Feather Water and Power Agency	Forbestown, CA	41 GWh	Jun 1983	Dec 2023	Water
Forbestown	South Feather Water and Power Agency	Forbestown, CA	155 GWh	Sep 1963	Dec 2023	Water
Blackjack Solar	South County Packing	King City, CA	7 GWh	Nov 2020	Dec 2023	Solar
Soscol Ferry Solar	Soscol Ferry Solar	Napa, CA	4 GWh	Nov 2020	Dec 2023	Solar
Santa Rosa Junior College Petaluma Solar	Sonoma County Junior College District	Petaluma, CA	2 GWh	Jun 2018	Dec 2023	Solar
Putah Creek Solar Farm	Solvida Energy Group/Blue Oak Energy	Winters, CA	5 GWh	Nov 2014	Dec 2022	Solar
2097 Helton Solar Project	Solarenewal LLC	Merced, CA	3 GWh	Mar 2014	Dec 2023	Solar
2127 Harris Solar Project	Solarenewal LLC	Live Oak, CA	2 GWh	Mar 2014	Dec 2023	Solar
2081 Terzian Solar Project	Solarenewal LLC	Reedley, CA	2 GWh	Jan 2014	Dec 2023	Solar
Orange Coast College PH2 Solar Project	Solar Star Coastal Pirate, LLC	Costa Mesa, CA	5 GWh	Apr 2022	Dec 2023	Solar : 88.9% Electricity used for energy storage : 11.1%
UC Davis South Campus	Solar Star California XXXII, LLC	Davis, CA	23 GWh	Feb 2015	Dec 2023	Solar
Tequesquite Landfill Solar PV Project	Solar Star California XXXI, LLC	Riverside, CA	13 GWh	Sep 2015	Dec 2023	Solar
Solar Star 2	Solar Star California XX, LLC	Rosamond, CA	701 GWh	Feb 2014	Aug 2024	Solar
Solar Star 1	Solar Star California XIX, LLC	Rosamond, CA	869 GWh	Feb 2014	Aug 2024	Solar
County of San Diego COC Hybrid	Solar Star California LXXVIII, LLC	San Diego, CA	3 GWh	Jun 2020	Dec 2023	Solar : 95.9% Electricity used for energy storage : 4.1%
Solar Oasis LLC	Solar Oasis, LLC	Palmdale, CA	51 GWh	Dec 2015	Dec 2023	Solar
Monticello Dam	Solano Irrigation District	Winters, CA	32 GWh	May 1983	Dec 2023	Water
Solano County Cogen Plant	Solano County	Fairfield, CA	8 GWh	May 1989	Dec 2023	Natural Gas
Soboba Community Solar Project	Soboba Band of Luiseno Indians	San Jacinto, CA	3 GWh	Jul 2016	Dec 2023	Solar
Ponderosa Bailey Creek	Snow Mountain Hydro LLC	Manton, CA	3 GWh	Feb 1990	Dec 2023	Water
Burney Creek	Snow Mountain Hydro LLC	Burney, CA	6 GWh	Feb 1990	Dec 2023	Water
Cove Hydroelectric	Snow Mountain Hydro LLC	Burney, CA	14 GWh	Jan 1990	Dec 2023	Water
Lost Creek I	Snow Mountain Hydro LLC	Burney, CA	5 GWh	Nov 1989	Dec 2023	Water
Niagara Bottling - Rialto	SkyHigh 2 Solar	Rialto, CA	8 GWh	Nov 2021	Dec 2023	Solar
California State Univ at Channel Islands	SkyHigh 2 Solar	Camarillo, CA	8 GWh	Nov 2021	Dec 2023	Solar
El Dorado County	SkyHigh 2 Solar	Placerville, CA	4 GWh	Feb 2021	Dec 2023	Solar
CSU San Jose State University	SkyHigh 2 Solar	San Jose, CA	4 GWh	Nov 2021	Dec 2023	Solar
EMWD - San Jacinto RES BCT	SkyHigh 2 Solar	San Jacinto, CA	3 GWh	Apr 2022	Nov 2023	Solar
EMWD - Sun City RWRF	SkyHigh 2 Solar	Menifee, CA	4 GWh	Jun 2021	Dec 2023	Solar
EMWD - San Jacinto RWRF NEM	SkyHigh 2 Solar	San Jacinto, CA	9 GWh	Jun 2021	Dec 2023	Solar
Firestone Walker Brewery - Phase 1	SkyHigh 2 Solar	Paso Robles, CA	4 GWh	Oct 2020	Dec 2023	Solar
EMWD - Moreno Valley RWRF	SkyHigh 2 Solar	Moreno Valley, CA	5 GWh	Jun 2021	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