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	192.0 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 \| 45.4% Solar \| 23.1% Water \| 12% Wind \| 10.1% Nuclear \| 9.1%

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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
Sycamore Energy LLC	Sycamore Energy LLC	Santee, CA	23 GWh	Mar 2004	Dec 2023	Landfill Gas
TA-High Desert LLC	TA-High Desert LLC	Lancaster, CA	45 GWh	Feb 2013	Dec 2023	Solar
CDCR (CA) - Pleasant Valley State Prison	Team-Solar, Inc.	Coalinga, CA	2 GWh	Jun 2014	Dec 2023	Solar
DSH (CA) - Coalinga State Hospital	Team-Solar, Inc.	Coalinga, CA	4 GWh	Jun 2014	Dec 2023	Solar
Temescal Canyon RV, LLC	Temescal Canyon RV, LLC	Corona, CA	2 GWh	Apr 2011	Dec 2023	Solar
Edwards Sanborn S4	Terra-Gen Operating Co-Hybrid	Mojave, CA	72 GWh	Oct 2022	Sep 2024	Solar
Edwards Sanborn S3	Terra-Gen Operating Co-Hybrid	Mojave, CA	80 GWh	Feb 2022	Sep 2024	Solar
Edwards Sanborn E2	Terra-Gen Operating Co-Hybrid	Mojave, CA	296 GWh	Nov 2021	Sep 2024	Solar
Edwards Sanborn E1A	Terra-Gen Operating Co-Hybrid	Mojave, CA	326 GWh	Jul 2022	Sep 2024	Solar
Edwards Sanborn E3	Terra-Gen Operating Co-Hybrid	Mojave, CA	50 GWh	Nov 2021	Sep 2024	Solar
Edwards Sanborn S1	Terra-Gen Operating Co-Hybrid	Mojave, CA	93 GWh	Feb 2022	Sep 2024	Solar
Edwards Sanborn E1B	Terra-Gen Operating Co-Hybrid	Mojave, CA	334 GWh	Oct 2022	Sep 2024	Solar
Edwards Sanborn E5	Terra-Gen Operating Co-Hybrid	Mojave, CA	132 GWh	Nov 2022	Sep 2024	Solar
Edwards Sanborn E4	Terra-Gen Operating Co-Hybrid	Mojave, CA	285 GWh	Nov 2022	Sep 2024	Solar
Lockhart Solar PV II	Terra-Gen Operating Co-Solar	Hinkley, CA	187 GWh	Jun 2023	Sep 2024	Solar
Lockhart ESS, LLC	Terra-Gen Operating Co-Solar	Hinkley, CA	4 GWh	-	Sep 2024	Electricity used for energy storage
SEGS IX	Terra-Gen Operating Co-Solar	Hinkley, CA	112 GWh	Aug 1990	Sep 2024	Solar
Lockhart Solar PV, LLC	Terra-Gen Operating Co-Solar	Hinkley, CA	224 GWh	Nov 1989	Sep 2024	Solar
Cameron Ridge LLC	Terra-Gen Operating Co-Wind	Mojave, CA	125 GWh	Nov 1984	Dec 2023	Wind
Ridgetop Energy LLC	Terra-Gen Operating Co-Wind	Mojave, CA	31 GWh	Dec 1983	Dec 2023	Wind
Voyager Wind IV	Terra-Gen Operating Co-Wind	Mojave, CA	70 GWh	Nov 2018	Dec 2023	Wind
Oasis Wind	Terra-Gen Operating Co-Wind	Mojave, CA	205 GWh	Nov 2004	Dec 2023	Wind
Voyager Wind III	Terra-Gen Operating Co-Wind	Mojave, CA	144 GWh	Nov 2018	Sep 2024	Wind
Ridgetop	Terra-Gen Operating Co-Wind	Mojave, CA	120 GWh	Mar 1994	Dec 2023	Wind
Voyager Wind I	Terra-Gen Operating Co-Wind	Mojave, CA	374 GWh	Nov 2019	Sep 2024	Wind
Terra-Gen VG Wind LLC	Terra-Gen Operating Co-Wind	Tehachapi, CA	5 GWh	Dec 1983	Dec 2023	Wind
Garnet Wind Energy Center	Terra-Gen Operating Co-Wind	North Palm Springs, CA	15 GWh	May 2009	Dec 2023	Wind
Voyager Wind II	Terra-Gen Operating Co-Wind	Mojave, CA	477 GWh	Nov 2018	Sep 2024	Wind
TPC Windfarms LLC	Terra-Gen Operating Co-Wind	Mojave, CA	39 GWh	Nov 1986	Dec 2023	Wind
Painted Hills Wind Park	Terra-Gen Operating Co-Wind	Whitewater, CA	175 GWh	Oct 1985	Sep 2024	Wind
San Gorgonio Westwinds II LLC	Terra-Gen Operating Co-Wind	North Palm Springs, CA	112 GWh	May 1999	Dec 2023	Wind
Oak Creek Energy Systems I	Terra-Gen Operating Co-Wind	Mojave, CA	38 GWh	May 1982	Dec 2023	Wind
East Winds Project	Terra-Gen Operating Co-Wind	Palm Springs, CA	5 GWh	Nov 1983	Dec 2023	Wind
Mojave 16/17/18	Terra-Gen Operating Co-Wind	Mojave, CA	54 GWh	Nov 1989	Dec 2023	Wind
Difwind Farms Ltd VI	Terra-Gen Operating Co-Wind	Mojave, CA	15 GWh	Dec 1986	Dec 2023	Wind
Mojave 3/4/5	Terra-Gen Operating Co-Wind	Mojave, CA	83 GWh	Nov 1990	Dec 2023	Wind
Oasis Alta	Terra-Gen Operating Co-Wind	Mojave, CA	45 GWh	Mar 2021	Dec 2023	Wind
Point Wind	Terra-Gen Operating Co-Wind	Tehachapi, CA	237 GWh	Feb 2021	Sep 2024	Wind
Coachella Hills Wind	Terra-Gen Operating Co-Wind	Palm Springs, CA	213 GWh	Feb 2021	Sep 2024	Wind
Morgan Lancaster 1	Terraform Arcadia	Lancaster, CA	688 MWh	Aug 2015	Dec 2023	Solar
Corcoran	Terraform Arcadia	Corcoran, CA	2 GWh	Dec 2013	Dec 2023	Solar
E&B Resources	Terraform Arcadia	Bakersfield, CA	2 GWh	Nov 2013	Dec 2023	Solar
US-TOPCO (Soccer Center)	Tesla Inc.	Lancaster, CA	7 GWh	Nov 2016	Dec 2023	Solar
Monterey Regional Water Pollution Control Agency	Tesla Inc.	Marina, CA	1 GWh	Nov 2010	Dec 2023	Solar
Lancaster Baptist Church	Tesla Inc.	Lancaster, CA	957 MWh	Nov 2011	Dec 2023	Solar
AVS Lancaster 1	Tesla Inc.	Lancaster, CA	8 GWh	Nov 2016	Dec 2023	Solar
Kettering Solar 1	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Dec 2023	Solar
Kettering Solar 2	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Dec 2023	Solar
Division 3	Tesla Inc.	Lancaster, CA	1 GWh	May 2014	Dec 2023	Solar
Genentech Vacaville Meter #1	Tesla Inc.	Vacaville, CA	12 GWh	Apr 2017	Dec 2023	Solar
Las Virgenes Municipal Water District	Tesla Inc.	Calabasas, CA	2 GWh	Jan 2014	Dec 2023	Solar
Division 1	Tesla Inc.	Lancaster, CA	3 GWh	May 2014	Dec 2023	Solar
Genentech-Oceanside Hybrid	Tesla Inc.	Oceanside, CA	5 GWh	Mar 2016	Dec 2023	Solar
Division 2	Tesla Inc.	Lancaster, CA	1 GWh	May 2014	Nov 2023	Solar
Walnut Unified School District Walnut HS Hybrid	Tesla Inc.	Walnut, CA	2 GWh	Jan 2020	Dec 2023	Solar
Clovis High School	Tesla Inc.	Clovis, CA	1 GWh	Mar 2018	Dec 2023	Solar
Clovis East High School	Tesla Inc.	Clovis, CA	1 GWh	Mar 2018	Dec 2023	Solar
Clovis North High School	Tesla Inc.	Fresno, CA	1 GWh	Nov 2017	Dec 2023	Solar
Fremont - Kato Rd	Tesla Inc.	Fremont, CA	2 GWh	Nov 2016	Dec 2023	Solar
Fremont CA AutoFactory	Tesla Inc.	Fremont, CA	532 MWh	Feb 2022	Dec 2023	Solar
Marathon Bay Area Cogen	Tesoro Marketing & Refining Co. LLC (Martinez)	Martinez, CA	662 GWh	Jan 1987	Sep 2024	Natural Gas
University of the Pacific	The Greater Light USA LLC	Stockton, CA	6 GWh	Apr 2022	Dec 2023	Solar
THUMS	THUMS Long Beach Company	Long Beach, CA	346 GWh	Dec 2002	Sep 2024	Natural Gas
Titan Solar 1 (CA)	Titan Solar 1, LLC	Borrego Springs, CA	146 GWh	Nov 2020	Sep 2024	Solar
Topaz Solar Farm	Topaz Solar Farms LLC	Santa Margarita, CA	1 TWh	Mar 2013	Sep 2024	Solar
Cold Canyon 1	Toro Energy of California SLO	San Luis Obispo, CA	10 GWh	Jun 2013	Dec 2023	Landfill Gas
Torrance Refining Company, LLC	Torrance Refining Company, LLC	Torrance, CA	51 GWh	Aug 1983	Sep 2024	Other Gas : 83.2% Waste Heat : 16.8%
Tranquillity ID	Tranquillity Solar 1, LLC	Tranquillity, CA	3 GWh	Feb 2018	Dec 2023	Solar
Transamerica Pyramid	Transamerica Pyramid Properties LLC	San Francisco, CA	525 MWh	Jun 2007	Dec 2023	Natural Gas
Sand Bar Power Plant	Tri-Dam Power Authority	Stanislaus Ntl. Fores, CA	124 GWh	Apr 1986	Dec 2023	Water
Trona Solar III	Trona Solar III LLC	Trona, CA	5 GWh	Mar 2023	Dec 2023	Solar
Luciana	Tulare Solar Center, LLC	Richgrove, CA	128 GWh	Mar 2022	Sep 2024	Solar
Frankenheimer Power Plant	Turlock Irrigation District	Oakdale, CA	3 GWh	Feb 1983	Oct 2023	Water
US Borax	U S Borax Inc	Boron, CA	279 GWh	Jun 1984	Sep 2024	Natural Gas
UCI Facilities Management Central Plant	University of California Irvine	Irvine, CA	112 GWh	Jun 2007	Sep 2024	Natural Gas
Univ of California San Diego Solar	University of California San Diego	La Jolla, CA	4 GWh	Nov 2008	Dec 2023	Solar
University of California San Diego Hybrid	University of California San Diego	La Jolla, CA	222 GWh	Jun 2001	Sep 2024	Natural Gas
University of California Santa Cruz	University of California Santa Cruz	Santa Cruz, CA	36 GWh	Aug 2013	Dec 2023	Natural Gas : 90.8% Solar : 9.2%
Parnassus Central Utility Plant	University of California-San Francisco	San Francisco, CA	69 GWh	Dec 1995	Sep 2024	Natural Gas
Energy Center	University of Redlands	Redlands, CA	5 GWh	Jan 2007	Dec 2023	Natural Gas
Murphys	Utica Water & Power Authority	Murphys, CA	18 GWh	Feb 1954	Dec 2023	Water
Angels	Utica Water & Power Authority	Angels Camp, CA	7 GWh	Dec 1939	Dec 2023	Water
Valero Refinery Cogeneration Unit 1	Valero Refining Co California	Benicia, CA	182 GWh	Sep 2002	Sep 2024	Natural Gas : 80.1% Other Gas : 19.9%
9150 Hermosa Solar GM	Valta Energy	Rancho Cucamonga, CA	3 GWh	Nov 2022	Dec 2023	Solar
Vasco Winds	Vasco Winds, LLC	Livermore, CA	216 GWh	Nov 2011	Dec 2023	Wind
Vega Solar	Vega Solar, LLC	Los Banos, CA	48 GWh	Feb 2015	Dec 2023	Solar
Venable Solar 1	Venable Solar, LLC	Blythe, CA	3 GWh	Mar 2015	Dec 2023	Solar
Venable Solar 2	Venable Solar, LLC	Blythe, CA	3 GWh	Mar 2015	Dec 2023	Solar
Ventura Solar	Ventura Solar LLC	Fillmore, CA	6 GWh	Aug 2021	Dec 2023	Solar
Victor Valley CC CPV Solar	Victor Valley Community College District	Victorville, CA	3 GWh	May 2010	Dec 2022	Solar
Victory Pass	Victory Pass I, LLC	Desert Center, CA	353 GWh	-	Sep 2024	Solar
Bio-Rad	Vista Solar, Inc.	Hercules, CA	3 GWh	Sep 2021	Dec 2023	Solar
Shelter Creek Condominiums Solar	Vista Solar, Inc.	San Bruno, CA	3 GWh	Jan 2020	Dec 2023	Solar
Wadham Energy LP	Wadham Energy Ltd Partners	Williams, CA	74 GWh	Feb 1989	Dec 2023	Agricultural By-Products : 99.5% Natural Gas : 0.5%
Walnut Creek Energy Park	Walnut Creek LLC	Industry, CA	337 GWh	Mar 2013	Sep 2024	Natural Gas
Watkins Manufacturing Co.	Watkins Manufacturing Corporation	San Diego, CA	5 GWh	Oct 2001	Sep 2024	Natural Gas
Live Oak Limited	WCAC Operating Company	Bakersfield, CA	23 GWh	Feb 1992	Sep 2024	Natural Gas
Bear Mountain Limited	WCAC Operating Company	Bakersfield, CA	42 GWh	Mar 1995	Sep 2024	Natural Gas
High Sierra Limited	WCAC Operating Company	Bakersfield, CA	23 GWh	Feb 1989	Dec 2023	Natural Gas
Badger Creek Limited	WCAC Operating Company	Bakersfield, CA	21 GWh	Mar 1991	Sep 2024	Natural Gas

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#28	Arizona Public Service Company	22.0 TWh	75
#53	Arlington Valley, LLC	3.6 TWh	1
#36	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	16.0 TWh	120
#22	Nevada Power Company	37.8 TWh	136
#56	New Harquahala Generating Company, LLC	2.9 TWh	1
#18	Salt River Project Agricultural Improvement and Power District	58.9 TWh	45
#57	Turlock Irrigation District	2.3 TWh	11
#41	Western Area Power Administration - Desert Southwest Region	8.5 TWh	30

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	462.2 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	248.1 TWh	393
#7	California Independent System Operator	192.0 TWh	1,943
#9	Tennessee Valley Authority	157.6 TWh	170
#10	Florida Power & Light Co.	147.6 TWh	159
#12	New York Independent System Operator	129.8 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556
#15	ISO New England	103.1 TWh	1,487
#16	Bonneville Power Administration	80.0 TWh	158