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 |
|---|---|---|---|---|---|---|
| Visalia - (CA) | CleanCapital Holdings | Visalia, CA | 3 GWh | May 2025 | Dec 2025 | Solar |
| Legoland CA Phase I | Onyx Asset Services Group | Carlsbad, CA | 1 GWh | May 2025 | Dec 2025 | Solar |
| Northern Orchard Solar PV, LLC | RWE Clean Energy | Taft, CA | 416 GWh | Jun 2025 | Jul 2026 | Solar |
| Bishop Ranch - BR 2600 | Camino Ramon BR 2600 Solar Project 2020, LLC | San Ramon, CA | 764 MWh | Jun 2025 | Dec 2025 | Solar |
| CA OXNARD 2600 Sakioka Dr | Catalyze Oxnard 2600 Sakioka Drive Microgrid, LLC | Oxnard, CA | 3 GWh | Jun 2025 | Dec 2025 | Solar |
| Thermo Fisher Pleasanton | TotalEnergies Renewables USA LLC | Pleasanton, CA | 1 GWh | Jun 2025 | Dec 2025 | Solar |
| CPA 2132 E Dominguez | Prologis Logistics Services Incorporated | Carson, CA | 913 MWh | Jul 2025 | Dec 2025 | Solar |
| CPA Wilmington 1 | Prologis Logistics Services Incorporated | Carson, CA | 1 GWh | Jul 2025 | Dec 2025 | Solar |
| Rosamond South 1 | Golden Fields Solar IV, LLC | Rosamond, CA | 415 GWh | Jul 2025 | Jul 2026 | Solar |
| Luna Valley | Luna Valley Solar I, LLC | Mendota, CA | 369 GWh | Jul 2025 | Jul 2026 | Solar |
| Kern Co Sheriff | TotalEnergies Renewables USA LLC | Bakersfield, CA | 56 MWh | Jul 2025 | Dec 2025 | Solar |
| Verizon Comms Garage Top Solar Project | Verizon Communications | San Jose, CA | 348 MWh | Aug 2025 | Jun 2025 | Solar |
| Foster Clean Power B | Foster Clean Power B LLC | Arcata, CA | 901 MWh | Aug 2025 | Dec 2025 | Solar |
| CA - Amazon - SMF6 | Forefront Power, LLC | Sacramento, CA | 361 MWh | Sep 2025 | Dec 2025 | Solar |
| Foster Clean Power A | Foster Clean Power A, LLC | Arcata, CA | 846 MWh | Sep 2025 | Dec 2025 | Solar |
| Ellis Creek Solar | Ellis Creek Solar, LLC | Petaluma, CA | 1 GWh | Sep 2025 | Dec 2025 | Solar |
| Chatsworth Industrial Center 1-SLLAX601 | Prologis Logistics Services Incorporated | Chatsworth, CA | 132 MWh | Sep 2025 | Dec 2025 | Solar |
| Tracy 18 - SLCVA418 | Prologis Logistics Services Incorporated | Tracy, CA | 182 MWh | Sep 2025 | Dec 2025 | Solar |
| Sutter Home Winery Westside | REC SHW, LLC | Lodi, CA | 295 MWh | Sep 2025 | Dec 2025 | Solar |
| BCE Seal Beach | BCE Seal Beach | Seal Beach, CA | 12 GWh | Oct 2025 | Jul 2026 | Solar |
| Edwards Sanborn 1C | Terra-Gen Operating Co-Hybrid | Mojave, CA | 296 GWh | Oct 2025 | Jul 2026 | Solar |
| Amazon - SAN5 | Onyx Asset Services Group | San Diego, CA | 530 MWh | Oct 2025 | Dec 2025 | Solar |
| Bellefield Solar and Energy Storage Farm | 50LW 8me LLC | Mojave, CA | 639 GWh | Nov 2025 | Jul 2026 | Solar |
| CA-Ventura County CCD-Ventura College | Forefront Power, LLC | Ventura, CA | 145 MWh | Nov 2025 | Dec 2025 | Solar |
| SF Azalea, LLC | Idemitsu Renewables | Lost Hills, CA | 107 GWh | Nov 2025 | Jul 2026 | Solar |
| Five Points Pipeline | Maas Energy Works | Riverdale, CA | 22 MWh | Nov 2025 | 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 |