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
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| 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 |
| Agua Caliente Solar Project | Agua Caliente Solar | Dateland, AZ | 507 GWh | Apr 2012 | Jul 2026 | Solar |
| Wheeler Ridge | Agilitas Energy, Inc. | Bakersfield, CA | 13 GWh | Aug 2023 | Dec 2025 | Solar |
| Crystal Farms Local Solar | Agilitas Energy, Inc. | San Joaquin, CA | 9 GWh | Oct 2023 | Dec 2025 | Solar |
| Fresno Community Solar | Agilitas Energy, Inc. | Fresno, CA | 17 GWh | May 2024 | Dec 2025 | Solar |
| Community Solar Utica 1, LLC | AETS OpCo Holdings LLC | Kettleman, CA | 2 GWh | Feb 2025 | Dec 2025 | Solar |
| AES Huntington Beach LLC | AES Huntington Beach LLC | Huntington Beach, CA | 5 GWh | May 1958 | Jun 2026 | Natural Gas |
| AES Huntington Beach Energy Project | AES Huntington Beach Energy, LLC | Huntington Beach, CA | 2 TWh | Jan 2020 | Jul 2026 | Natural Gas |
| San Pablo Raceway | AES Distributed Energy | Lancaster, CA | 197 GWh | Jul 2019 | Jul 2026 | Solar |
| Summer Solar LLC | AES Distributed Energy | Lancaster, CA | 56 GWh | Jun 2016 | Dec 2025 | Solar |
| Bayshore Solar C, LLC | AES Distributed Energy | Lancaster, CA | 41 GWh | Nov 2017 | Dec 2025 | Solar |
| Antelope Expansion 3A | AES Distributed Energy | Lancaster, CA | 40 GWh | May 2021 | Dec 2025 | Solar |
| Marin Clean Energy Solar One | AES Distributed Energy | Richmond, CA | 21 GWh | Nov 2017 | Dec 2025 | Solar |
| Bayshore Solar A, LLC | AES Distributed Energy | Lancaster, CA | 44 GWh | Nov 2017 | Dec 2025 | Solar |
| Antelope Expansion 1B | AES Distributed Energy | Lancaster, CA | 47 GWh | Oct 2022 | Dec 2025 | Solar |
| Antelope Big Sky Ranch | AES Distributed Energy | Lancaster, CA | 50 GWh | Jul 2016 | Dec 2025 | Solar |
| Delano Land 1 | AES Distributed Energy | Delano, CA | 892 MWh | Nov 2017 | Dec 2025 | 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 |
| Green Beanworks B PV | AES Distributed Energy | Lancaster, CA | 6 GWh | Nov 2018 | Dec 2025 | Solar |
| Antelope DSR 2 | AES Distributed Energy | Lancaster, CA | 14 GWh | Nov 2016 | Dec 2025 | Solar |
| Antelope DSR 3 | AES Distributed Energy | Lancaster, CA | 55 GWh | Aug 2019 | Dec 2025 | Solar |
| SFDK Solar | AES Distributed Energy | Vallejo, CA | 10 GWh | Nov 2019 | Dec 2025 | Solar |
| Antelope Expansion 2 | AES Distributed Energy | Lancaster, CA | 214 GWh | Nov 2018 | Jul 2026 | Solar |
| Antelope Expansion 3B | AES Distributed Energy | Lancaster, CA | 13 GWh | May 2021 | Dec 2025 | Solar |
| Green Beanworks D PV | AES Distributed Energy | Palmdale, CA | 6 GWh | Jul 2018 | Dec 2025 | Solar |
| Green Beanworks C PV | AES Distributed Energy | Palmdale, CA | 8 GWh | Jul 2018 | Dec 2025 | Solar |
| Bayshore Solar B, LLC | AES Distributed Energy | Lancaster, CA | 42 GWh | Nov 2017 | Dec 2025 | Solar |
| Bakersfield Industrial PV 1 | AES Distributed Energy | Bakersfield, CA | 1 GWh | Nov 2017 | Oct 2025 | Solar |
| Bakersfield PV 1 | AES Distributed Energy | Bakersfield, CA | 6 GWh | Nov 2017 | Dec 2025 | Solar |
| Manteca Land PV | AES Distributed Energy | Manteca, CA | 2 GWh | Nov 2017 | Dec 2025 | Solar |
| Summer Solar D2 | AES Distributed Energy | Lancaster, CA | 2 GWh | Jun 2014 | Dec 2025 | Solar |
| Western Antelope Dry Ranch | AES Distributed Energy | Lancaster, CA | 26 GWh | Nov 2016 | Dec 2025 | Solar |
| Lemoore 1 | AES Distributed Energy | Lemoore, CA | 1 GWh | Jan 2016 | Sep 2025 | Solar |
| North Bay Solar 1 | AES Distributed Energy | Fairfield, CA | 2 GWh | Jul 2013 | Dec 2025 | Solar |
| Lancaster Dry Farm Ranch B | AES Distributed Energy | Lancaster, CA | 10 GWh | Oct 2014 | Dec 2025 | Solar |
| Rodeo Solar C2 | AES Distributed Energy | Lancaster, CA | 4 GWh | Apr 2014 | Dec 2025 | Solar |
| Mountain View IV | AES Distributed Energy | North Palm Springs, CA | 173 GWh | Jan 2012 | Dec 2025 | Wind |
| Rodeo Solar D2 | AES Distributed Energy | Lancaster, CA | 3 GWh | Apr 2014 | Dec 2025 | Solar |
| Summer Solar A2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2025 | Solar |
| Summer Solar B2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2025 | Solar |
| Summer Solar C2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2025 | Solar |
| Expressway Solar C2 | AES Distributed Energy | Victorville, CA | 3 GWh | Oct 2014 | Dec 2025 | Solar |
| Summer North Solar | AES Distributed Energy | Lancaster, CA | 13 GWh | Nov 2014 | Dec 2025 | Solar |
| Expressway Solar A | AES Distributed Energy | Victorville, CA | 5 GWh | Apr 2014 | Dec 2025 | Solar |
| Expressway Solar B | AES Distributed Energy | Victorville, CA | 4 GWh | Apr 2014 | Dec 2025 | Solar |
| Western Antelope Blue Sky B | AES Distributed Energy | Lancaster, CA | 52 GWh | Nov 2016 | Dec 2025 | Solar |
| North Lancaster Ranch | AES Distributed Energy | Lancaster, CA | 39 GWh | Nov 2016 | Dec 2025 | Solar |
| Central Antelope Dry Ranch C | AES Distributed Energy | Lancaster, CA | 39 GWh | Apr 2016 | Dec 2025 | Solar |
| Elevation Solar C | AES Distributed Energy | Lancaster, CA | 105 GWh | Nov 2016 | Jul 2026 | Solar |
| Redcrest Solar Farm | AES Distributed Energy | Edison, CA | 34 GWh | Sep 2015 | Dec 2025 | Solar |
| Adera Solar | AES Distributed Energy | Chowchilla, CA | 33 GWh | Nov 2015 | Dec 2025 | Solar |
| Tahquitz High School | AES Distributed Energy | Hemet, CA | 2 GWh | Aug 2012 | Dec 2025 | Solar |
| Mountain View I & II | AES Distributed Energy | North Palm Springs, CA | 248 GWh | May 2001 | Jul 2026 | Wind |
| Western Antelope Blue Sky Ranch A | AES Distributed Energy | Lancaster, CA | 43 GWh | Oct 2014 | Dec 2025 | Solar |
| Sierra Solar Greenworks | AES Distributed Energy | Lancaster, CA | 41 GWh | Oct 2015 | Dec 2025 | Solar |
| SEPV Palmdale East | AES Distributed Energy | Palmdale, CA | 24 GWh | Jul 2015 | Dec 2025 | Solar |
| Victor Mesa Linda E2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2025 | Solar |
| Victor Mesa Linda D2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2025 | Solar |
| Victor Mesa Linda C2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2025 | Solar |
| Victor Mesa Linda B2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2025 | Solar |
| Lancaster Little Rock | AES Distributed Energy | Landers, CA | 3 GWh | Nov 2014 | Dec 2025 | Solar |
| Dinuba Wastewater Treatment Plant | AES Distributed Energy | Dinuba, CA | 1 GWh | Oct 2011 | Dec 2025 | Solar |
| West Valley High School Solar | AES Distributed Energy | Hemet, CA | 1 GWh | Aug 2012 | Dec 2025 | Solar |
| Hayworth Solar | AES Distributed Energy | Edison, CA | 47 GWh | Nov 2015 | Dec 2025 | Solar |
| Victor Dry Farm Ranch B | AES Distributed Energy | Victorville, CA | 10 GWh | May 2015 | Dec 2025 | Solar |
| Otoe Solar Power Generation Station 1 LL | AES Distributed Energy | Apple Valley, CA | 3 GWh | Nov 2013 | Dec 2025 | Solar |
| Powhatan Solar Power Generation Station | AES Distributed Energy | Apple Valley, CA | 4 GWh | Nov 2013 | Dec 2025 | Solar |
| Navajo Solar Power Generation Station 1 | AES Distributed Energy | Apple Valley, CA | 4 GWh | Nov 2013 | Dec 2025 | Solar |
| SEPV Mojave West | AES Distributed Energy | Mojave, CA | 53 GWh | May 2016 | Dec 2025 | Solar |
| Lancaster WAD B | AES Distributed Energy | Lancaster, CA | 7 GWh | Mar 2017 | Dec 2025 | Solar |
| Citizen B | AES Distributed Energy | Mendota, CA | 9 GWh | Nov 2015 | Dec 2025 | Solar |
| Aspiration G | AES Distributed Energy | Cantua Creek, CA | 21 GWh | Aug 2017 | Dec 2025 | Solar |
| SEPV 18 | AES Distributed Energy | Palmdale, CA | 4 GWh | Dec 2015 | Dec 2025 | Solar |
| Industry Solar Power Generation Station | AES Distributed Energy | Adelanto, CA | 4 GWh | Nov 2013 | Dec 2025 | Solar |
| Victor Dry Farm Ranch A | AES Distributed Energy | Victorville, CA | 10 GWh | May 2015 | Dec 2025 | Solar |
| Woodmere Solar Farm | AES Distributed Energy | Edison, CA | 29 GWh | Nov 2015 | Dec 2025 | Solar |
| Rexford Solar Farm | AES Clean Energy | Ducor, CA | 704 GWh | Jan 2025 | Jul 2026 | Solar |
| Raceway Solar & Storage | AES Clean Energy | Lancaster, CA | 352 GWh | Apr 2024 | Jul 2026 | Solar |
| McFarland B Solar and Storage | AES Clean Energy | Dateland, AZ | 790 GWh | Nov 2024 | Jul 2026 | Solar |
| Baldy Mesa 2_Silver Peak Hybrid | AES Clean Energy | Adelanto, CA | 113 GWh | Nov 2024 | Jul 2026 | Solar |
| Baldy Mesa Solar & Storage | AES Clean Energy | Adelanto, CA | 299 GWh | Apr 2024 | Jul 2026 | Solar |
| McFarland A Solar and Storage | AES Clean Energy | Dateland, AZ | 537 GWh | Nov 2023 | Jul 2026 | Solar |
| Estrella Solar & Storage | AES Clean Energy | Lancaster, CA | 155 GWh | Nov 2023 | Jul 2026 | Solar |
| AES Alamitos LLC | AES Alamitos LLC | Long Beach, CA | 13 GWh | Aug 1956 | Jun 2026 | Natural Gas |
| AES Alamitos Energy Center | AES Alamitos Energy, LLC | Long Beach, CA | 1 TWh | Jan 2020 | Jul 2026 | Natural Gas |
| Aera San Ardo Cogen Facility | Aera Energy LLC-San Ardo | San Ardo, CA | 20 GWh | Jun 1989 | Dec 2025 | Natural Gas |
| Coalinga Cogeneration Facility | Aera Energy LLC-Coalinga | Coalinga, CA | 42 GWh | May 1988 | Dec 2025 | Natural Gas |
| South Belridge Cogeneration Facility | AERA Energy LLC | McKittrick, CA | 475 GWh | Nov 1985 | Jul 2026 | Natural Gas |
| Lost Hills Cogeneration Plant | AERA Energy LLC | Lost Hills, CA | 8 GWh | Sep 1985 | Dec 2025 | Natural Gas |
| Adelanto Solar, LLC | Adelanto Solar, LLC | Adelanto, CA | 59 GWh | Aug 2015 | Dec 2025 | Solar |
| Adelanto Solar II, LLC | Adelanto Solar II, LLC | Adelanto, CA | 18 GWh | Jun 2015 | Dec 2025 | Solar |
| Cloverdale Solar Center | Adapture Renewables, Inc. | Cloverdale, CA | 2 GWh | Apr 2019 | Dec 2025 | Solar |
| Abel Road Bioenergy | ACC Renewable Resources | Williams, CA | 23 GWh | Jun 2022 | Dec 2025 | Agricultural By-Products |
| ABEC Bidart-Old River LLC | ABEC Bidart-Old River LLC | Bakersfield, CA | 16 GWh | Nov 2013 | Dec 2025 | Other Biomass Gas |
| ABEC #4 dba CE&S Dairy | ABEC #4 LLC | Bakersfield, CA | 7 GWh | Jan 2018 | Dec 2025 | Other Biomass Gas |
| ABEC #3 dba Lakeview Dairy | ABEC #3 LLC | Bakersfield, CA | 5 GWh | Jan 2018 | Dec 2025 | Other Biomass Gas |
| ABEC #2 dba West-Star Dairy | ABEC #2 LLC | Buttonwillow, CA | 8 GWh | Jan 2018 | Dec 2025 | Other Biomass Gas |
| Aratina Solar Center 1B | 91MC 8me LLC | Boron, CA | 4 GWh | - | Jul 2026 | Solar : 93.6% Electricity used for energy storage : 6.4% |
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 |