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
Wright Solar Park	Wright Solar Park LLC	Los Banos, CA	386 GWh	Nov 2019	Jul 2026	Solar
Borden Solar Farm	41MB 8me, LLC	Madera, CA	82 GWh	May 2020	Jul 2026	Solar
Sunshine Valley Solar	EDP Renewables North America LLC	Armagosa, NV	246 GWh	Nov 2019	Jul 2026	Solar
Little Bear Solar 1, LLC	Little Bear Solar 1, LLC (Longroad)	Mendota, CA	71 GWh	Nov 2020	Jul 2026	Solar
Desert Quartzite	Desert Quartzite LLC	Blythe, CA	846 GWh	Nov 2024	Jul 2026	Solar
North Rosamond Solar LLC	North Rosamond Solar, LLC	Rosamond, CA	361 GWh	May 2019	Jul 2026	Solar
Great Valley Solar Portfolio Holdings, L	RWE Clean Energy	Cantua Creek, CA	492 GWh	Nov 2017	Jul 2026	Solar
Elevation Solar C	AES Distributed Energy	Lancaster, CA	105 GWh	Nov 2016	Jul 2026	Solar
RE Astoria	RE Astoria LLC	Rosamond, CA	186 GWh	Nov 2016	Jul 2026	Solar
RE Astoria 2	RE Astoria 2 LLC	Rosamond, CA	188 GWh	Nov 2016	Jul 2026	Solar
CA Flats Solar 130, LLC	California Flats Solar 130, LLC	Shandon, CA	258 GWh	Oct 2017	Jul 2026	Solar
CA Flats Solar 150, LLC	Arevon Energy, Inc.	Shandon, CA	282 GWh	Jan 2019	Jul 2026	Solar
Cuyama Solar, LLC	Cuyama Solar, LLC	Cuyama, CA	63 GWh	Oct 2017	Jul 2026	Solar
Blythe Solar II, LLC	Blythe Solar II, LLC	Blythe, CA	325 GWh	Jun 2016	Jul 2026	Solar
Blythe Solar III, LLC Hybrid	Blythe Solar III, LLC	Blythe, CA	343 GWh	Apr 2020	Jul 2026	Solar
Blythe Solar IV, LLC	Blythe Solar IV, LLC	Blythe, CA	334 GWh	Oct 2020	Jul 2026	Solar
Solverde 1	AES Distributed Energy	Lancaster, CA	197 GWh	Nov 2016	Jul 2026	Solar
Antelope DSR 1	AES Distributed Energy	Lancaster, CA	116 GWh	Nov 2016	Jul 2026	Solar
Mesquite Solar 2, LLC	RWE Clean Energy	Tonopah, AZ	248 GWh	Nov 2016	Jul 2026	Solar
Mesquite Solar 3, LLC	RWE Clean Energy	Tonopah, AZ	437 GWh	Nov 2016	Jul 2026	Solar
Willow Spring Solar, LLC	Willow Spring Solar LLC	Rosamond, CA	220 GWh	Dec 2018	Jul 2026	Solar
White Wing Solar	Leeward Asset Management, LLC	Yuma, AZ	445 GWh	Sep 2024	Jul 2026	Solar
Golden Fields Solar I, LLC	MN8 Energy LLC	Rosamond, CA	136 GWh	Nov 2016	Jul 2026	Solar
Solar Star California, XLI, LLC	MN8 Energy LLC	Rosamond, CA	135 GWh	Nov 2016	Jul 2026	Solar
Voyager Wind I	Terra-Gen Operating Co-Wind	Mojave, CA	332 GWh	Nov 2019	Jul 2026	Wind
Stanton Energy Reliability Center Hybrid	Wellhead Services, Inc	Stanton, CA	2 GWh	Jun 2020	Jul 2026	Natural Gas
American Kings Solar, LLC	MN8 Energy LLC	Lemoore, CA	271 GWh	Nov 2020	Jul 2026	Solar
Sun Streams, LLC	EDP Renewables North America LLC	Arlington, AZ	336 GWh	Dec 2019	Jul 2026	Solar
Aratina Solar Center 1B	91MC 8me LLC	Boron, CA	4 GWh	-	Jul 2026	Solar : 93.6% Electricity used for energy storage : 6.4%
Mount Signal Solar Farm V	Imperial Valley Solar 3, LLC	Calexico, CA	633 GWh	Oct 2018	Jul 2026	Solar
Golden Hills North Wind Energy Center	Golden Hills Interconnection Wind, LLC	Livermore, CA	125 GWh	Oct 2017	Jul 2026	Wind
Antelope Expansion 2	AES Distributed Energy	Lancaster, CA	214 GWh	Nov 2018	Jul 2026	Solar
Mount Signal Solar Farm II	MN8 Energy LLC	Calexico, CA	358 GWh	Dec 2019	Jul 2026	Solar
RE Gaskell West 2 LLC	RE Gaskell West LLC	Rosamond, CA	123 GWh	Apr 2023	Jul 2026	Solar
Voyager Wind II	Terra-Gen Operating Co-Wind	Mojave, CA	419 GWh	Nov 2018	Jul 2026	Wind
Voyager Wind III	Terra-Gen Operating Co-Wind	Mojave, CA	117 GWh	Nov 2018	Jul 2026	Wind
Wistaria Ranch Solar	RWE Clean Energy	Calexico, CA	268 GWh	Nov 2018	Jul 2026	Solar
San Pablo Raceway	AES Distributed Energy	Lancaster, CA	197 GWh	Jul 2019	Jul 2026	Solar
Strauss Wind Farm	Strauss Wind LLC	Lompoc, CA	192 GWh	Nov 2023	Jul 2026	Wind
AES Alamitos Energy Center	AES Alamitos Energy, LLC	Long Beach, CA	1 TWh	Jan 2020	Jul 2026	Natural Gas
AES Huntington Beach Energy Project	AES Huntington Beach Energy, LLC	Huntington Beach, CA	2 TWh	Jan 2020	Jul 2026	Natural Gas
Desert Harvest, LLC	Desert Harvest, LLC	Desert Center, CA	230 GWh	Nov 2020	Jul 2026	Solar
Maverick Solar, LLC	Maverick Solar, LLC	Desert Center, CA	312 GWh	Nov 2020	Jul 2026	Solar
Valentine Solar, LLC	EDF Renewable Asset Holdings, Inc.	Rosamond, CA	267 GWh	Oct 2019	Jul 2026	Solar
Little Bear 4	Little Bear Solar 4, LLC (Longroad)	Mendota, CA	41 GWh	Nov 2020	Jul 2026	Solar
Little Bear 5	Little Bear Solar 5, LLC (Longroad)	Mendota, CA	106 GWh	Nov 2020	Jul 2026	Solar
Aquamarine	Aqua	Lemoore, CA	645 GWh	Aug 2021	Jul 2026	Solar
Drew Solar LLC	Drew Solar LLC	Calexico, CA	306 GWh	Oct 2022	Jul 2026	Solar
Athos Solar Project	SE Athos I, LLC	Desert Center, CA	675 GWh	May 2022	Jul 2026	Solar
Sun Streams 2	Sun Streams 2, LLC	Hassayampa, AZ	303 GWh	May 2021	Jul 2026	Solar
Point Wind	Terra-Gen Operating Co-Wind	Tehachapi, CA	218 GWh	Feb 2021	Jul 2026	Wind
Camino Solar Hybrid	Avangrid Power LLC	Rosamond, CA	134 GWh	Mar 2025	Jul 2026	Solar
Chevron - Lost Hills Hybrid	MN8 Energy LLC	Lost Hills, CA	63 GWh	Mar 2020	Jul 2026	Solar
Slate Hybrid	MN8 Energy LLC	Stratford, CA	690 GWh	Oct 2021	Jul 2026	Solar
Solar Blue	Westlands Solar Blue	Lemoore, CA	645 GWh	Nov 2023	Jul 2026	Solar
Chestnut	Chestnut Westside LLC	Lemoore, CA	360 GWh	Nov 2023	Jul 2026	Solar
Golden Field Solar III, LLC	Golden Fields Solar III, LLC	Rosamond, CA	535 GWh	Nov 2020	Jul 2026	Solar : 99.4%
Titan Solar 1 (CA)	Titan Solar 1, LLC	Borrego Springs, CA	157 GWh	Nov 2020	Jul 2026	Solar
Central 40	Central 40, LLC	Newman, CA	72 GWh	Jan 2021	Jul 2026	Solar
Desert Harvest II LLC	Desert Harvest II LLC	Desert Center, CA	193 GWh	Nov 2020	Jul 2026	Solar
Maverick Solar 4, LLC	Maverick Solar 4, LLC	Desert Center, CA	294 GWh	Nov 2020	Jul 2026	Solar
Maverick Solar 6, LLC	Maverick Solar 6, LLC	Desert Center, CA	233 GWh	Oct 2021	Jul 2026	Solar
Maverick Solar 7, LLC	Maverick Solar 7, LLC	Desert Center, CA	397 GWh	Nov 2021	Jul 2026	Solar
Fifth Standard Solar PV, LLC (Hybrid)	RWE Clean Energy	Huron, CA	338 GWh	Aug 2023	Jul 2026	Solar
Bellefield Solar and Energy Storage Farm	50LW 8me LLC	Mojave, CA	639 GWh	Nov 2025	Jul 2026	Solar
SE Athos II, LLC	SE Athos II, LLC	Desert Center, CA	516 GWh	Nov 2021	Jul 2026	Solar
Coachella Hills Wind	Terra-Gen Operating Co-Wind	Palm Springs, CA	202 GWh	Feb 2021	Jul 2026	Wind
Summit Winds	Greenbacker Renewable Energy Corporation	Livermore, CA	176 GWh	Jun 2021	Jul 2026	Wind
Arlington Energy Center II	Arlington Energy Center II	Blythe, CA	640 GWh	Feb 2022	Jul 2026	Solar
Resurgence Solar	Resurgence Solar	Boron, CA	241 GWh	Jul 2023	Jul 2026	Solar
Arlington Energy Center III	Arlington Energy Center III	Blythe, CA	330 GWh	Jul 2022	Jul 2026	Solar
Hudson - High Desert Hybrid	MN8 Energy LLC	Victorville, CA	289 GWh	Nov 2021	Jul 2026	Solar
Rabbitbrush Solar, LLC	Leeward Asset Management, LLC	Rosamond, CA	250 GWh	Sep 2022	Jul 2026	Solar
Rexford Solar Farm	AES Clean Energy	Ducor, CA	704 GWh	Jan 2025	Jul 2026	Solar
Daggett 2	Daggett Solar Power 2 LLC	Daggett, CA	486 GWh	Nov 2023	Jul 2026	Solar
Daggett 3	Daggett Solar Power 3 LLC	Daggett, CA	823 GWh	Jun 2023	Jul 2026	Solar
Chaparral Springs	Leeward Asset Management, LLC	Rosamond, CA	399 GWh	Mar 2025	Jul 2026	Solar
Edwards Sanborn E3	Terra-Gen Operating Co-Hybrid	Mojave, CA	57 GWh	Nov 2021	Jul 2026	Solar
Edwards Sanborn E1A	Terra-Gen Operating Co-Hybrid	Mojave, CA	313 GWh	Jul 2022	Jul 2026	Solar
Edwards Sanborn E2	Terra-Gen Operating Co-Hybrid	Mojave, CA	289 GWh	Nov 2021	Jul 2026	Solar
Scarlet Solar (CA)	EDP Renewables North America LLC	Fresno, CA	480 GWh	May 2024	Jul 2026	Solar
Luciana	Tulare Solar Center, LLC	Richgrove, CA	138 GWh	Mar 2022	Jul 2026	Solar
Edwards Sanborn S3	Terra-Gen Operating Co-Hybrid	Mojave, CA	80 GWh	Feb 2022	Jul 2026	Solar
Edwards Sanborn S1	Terra-Gen Operating Co-Hybrid	Mojave, CA	97 GWh	Feb 2022	Jul 2026	Solar
BigBeau Solar, LLC	Big Beau Solar, LLC	Rosamond, CA	323 GWh	Jan 2022	Jul 2026	Solar
Blythe Mesa Solar II	Intersect USA, LLC	Blythe, CA	569 GWh	Nov 2022	Jul 2026	Solar
Sandrini Solar 200	EDPR CA Solar Park LLC	Mettler, CA	484 GWh	Nov 2024	Jul 2026	Solar
Sandrini Solar 100	EDPR CA Solar Park II LLC	Mettler, CA	248 GWh	Nov 2024	Jul 2026	Solar
Edwards Sanborn E1B	Terra-Gen Operating Co-Hybrid	Mojave, CA	349 GWh	Oct 2022	Jul 2026	Solar
Edwards Sanborn E4	Terra-Gen Operating Co-Hybrid	Mojave, CA	331 GWh	Nov 2022	Jul 2026	Solar
Edwards Sanborn E5	Terra-Gen Operating Co-Hybrid	Mojave, CA	152 GWh	Nov 2022	Jul 2026	Solar
Edwards Sanborn S4	Terra-Gen Operating Co-Hybrid	Mojave, CA	94 GWh	Oct 2022	Jul 2026	Solar
Oberon Solar Project	Intersect USA, LLC	Desert Center, CA	559 GWh	Aug 2023	Jul 2026	Solar
Oberon II Solar Project	Intersect USA, LLC	Desert Center, CA	563 GWh	Aug 2023	Jul 2026	Solar
Victory Pass	Victory Pass I, LLC	Desert Center, CA	563 GWh	Feb 2024	Jul 2026	Solar
Arica Solar	Arica Solar, LLC	Desert Center, CA	725 GWh	Feb 2024	Jul 2026	Solar
Ocotillo Wells	Conductive Power	Borrego Springs, CA	101 GWh	Aug 2023	Jul 2026	Solar
Mesquite Solar 4, LLC	RWE Clean Energy	Tonopah, AZ	140 GWh	Dec 2023	Jul 2026	Solar
AM Wind Repower	AM Wind Repower LLC	Whitewater, CA	90 GWh	Feb 2025	Jul 2026	Wind
Proxima	Proxima Solar, LLC	Crows Landing, CA	467 GWh	Mar 2024	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