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 |
|---|---|---|---|---|---|---|
| Aratina Solar Center 1A | 64NB 8me LLC | Boron, CA | 6 GWh | - | Jul 2026 | Solar : 97.1% Electricity used for energy storage : 2.9% |
| Redwood 4 Solar Farm | 54 KR 8me LLC | Edison, CA | 19 GWh | Nov 2017 | Dec 2025 | Solar |
| Bellefield Solar and Energy Storage Farm | 50LW 8me LLC | Mojave, CA | 639 GWh | Nov 2025 | Jul 2026 | Solar |
| Borden Solar Farm | 41MB 8me, LLC | Madera, CA | 82 GWh | May 2020 | Jul 2026 | Solar |
| EQX010 Great Oaks Fuel Cell | 2016 ESA Project Company, LLC | San Jose, CA | 19 GWh | Aug 2019 | Dec 2025 | Natural Gas |
| Equinix Caspian Dr. Fuel Cell | 2016 ESA Project Company, LLC | Sunnyvale, CA | 39 GWh | Nov 2017 | Dec 2025 | Natural Gas |
| Equinix Great Oaks Blvd. Fuel Cell | 2016 ESA Project Company, LLC | San Jose, CA | 27 GWh | Nov 2017 | Dec 2025 | Natural Gas |
| JSR000 N Mathilda Fuel Cell | 2016 ESA Project Company, LLC | Sunnyvale, CA | 9 GWh | May 2019 | Dec 2025 | Natural Gas |
| TLR000 Hansen Fuel Cell | 2016 ESA Project Company, LLC | Salinas, CA | 20 GWh | Aug 2018 | Dec 2025 | Natural Gas |
| KSR028 Merced Fuel Cell | 2016 ESA Project Company, LLC | San Leandro, CA | 16 GWh | Mar 2018 | Dec 2025 | Natural Gas |
| GEN005 Antibody Fuel Cell | 2016 ESA Project Company, LLC | Oceanside, CA | 19 GWh | Mar 2019 | Dec 2025 | Natural Gas |
| SCU000 El Camino Real Fuel Cell | 2016 ESA Project Company, LLC | Santa Clara, CA | 12 GWh | Nov 2018 | Dec 2025 | Natural Gas |
| Mission College Blvd. Fuel Cell | 2016 ESA Project Company, LLC | Santa Clara, CA | 36 GWh | Nov 2017 | Dec 2025 | Natural Gas |
| Kaiser East La Palma Ave. Fuel Cell | 2016 ESA Project Company, LLC | Anaheim, CA | 18 GWh | Aug 2017 | Dec 2025 | Natural Gas |
| Kaiser Deer Valley Rd. Fuel Cell | 2016 ESA Project Company, LLC | Antioch, CA | 11 GWh | Mar 2017 | Dec 2025 | Natural Gas |
| Kaiser Owens Dr. Fuel Cell | 2016 ESA Project Company, LLC | Pleasanton, CA | 8 GWh | Aug 2017 | Dec 2025 | Natural Gas |
| CST001 McCarthy Fuel Cell | 2016 ESA Project Company, LLC | Milpitas, CA | 9 GWh | Dec 2018 | Dec 2025 | Natural Gas |
| AGT000 Stevens Creek Fuel Cell | 2016 ESA Project Company, LLC | Santa Clara, CA | 17 GWh | Aug 2018 | Dec 2025 | Natural Gas |
| Kaiser Napa Valley Corporate Dr Fuel Cel | 2016 ESA Project Company, LLC | Napa, CA | 39 GWh | May 2017 | Dec 2025 | Natural Gas |
| KSR053 Cantara Fuel Cell | 2016 ESA Project Company, LLC | Panorama City, CA | 12 GWh | Apr 2018 | Dec 2025 | Natural Gas |
| Equinix Lundy Ave. Fuel Cell | 2016 ESA Project Company, LLC | San Jose, CA | 31 GWh | Aug 2017 | Dec 2025 | Natural Gas |
| Equinix Douglas St. Fuel Cell | 2016 ESA Project Company, LLC | El Segundo, CA | 15 GWh | Aug 2017 | Dec 2025 | Natural Gas |
| Equinix Maple Ave. Fuel Cell | 2016 ESA Project Company, LLC | El Segundo, CA | 8 GWh | Aug 2017 | Dec 2025 | Natural Gas |
| EQX015 Great Oaks Fuel Cell | 2016 ESA Project Company, LLC | San Jose, CA | 31 GWh | Dec 2017 | Dec 2025 | Natural Gas |
| EQX011 Duane Fuel Cell | 2016 ESA Project Company, LLC | Santa Clara, CA | 31 GWh | Aug 2018 | Dec 2025 | Natural Gas |
| Costa View Farms | 127 CVF, LLC | Madera, CA | 11 GWh | May 2024 | Dec 2025 | 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 |