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% |
Map of California Independent System Operator
Register Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for California Independent System Operator.
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 |
|---|---|---|---|---|---|---|
| NextEra Westside PV | Westside Solar, LLC | Five Points, CA | 26 GWh | Feb 2017 | Dec 2025 | Solar |
| Stanford Campus Solar | MN8 Energy LLC | Stanford, CA | 6 GWh | Feb 2017 | Dec 2025 | Solar |
| Portal Ridge Solar B, LLC | Portal Ridge Solar, LLC | Lancaster, CA | 53 GWh | Jan 2017 | Dec 2025 | Solar |
| Portal Ridge Solar C, LLC | Portal Ridge Solar, LLC | Lancaster, CA | 29 GWh | Jan 2017 | Dec 2025 | Solar |
| Lindberg Field Solar 2 | Lindberg Field Solar 2, LLC | San Diego, CA | 2 GWh | Jan 2017 | Dec 2025 | Solar |
| Chaffey College Rancho Cucamonga Campus | Chaffey Community College District | Rancho Cucamonga, CA | 7 GWh | Jan 2017 | Dec 2025 | Solar |
| FLEX Gibraltar | Bloom Energy | Milpitas, CA | 8 GWh | Jan 2017 | Dec 2025 | Natural Gas |
| Wildwood Solar II | Deriva Energy | Wasco, CA | 39 GWh | Dec 2016 | Dec 2025 | Solar |
| Oro Loma | RWE Clean Energy | Oro Loma, CA | 49 GWh | Dec 2016 | Dec 2025 | Solar |
| CED Avenal | RWE Clean Energy | Avenal, CA | 16 GWh | Dec 2016 | Dec 2025 | Solar |
| Algonquin SKIC 10 Solar, LLC | Algonquin Power Co | Taft, CA | 16 GWh | Dec 2016 | Dec 2025 | Solar |
| CA Dept of Public Health at Richmond | California PV Energy LLC | Richmond, CA | 4 GWh | Dec 2016 | Dec 2025 | Solar |
| Western Antelope Dry Ranch | AES Distributed Energy | Lancaster, CA | 26 GWh | Nov 2016 | Dec 2025 | Solar |
| Rio Bravo Solar 1 LLC | Deriva Energy | McKittrick, CA | 52 GWh | Nov 2016 | Dec 2025 | Solar |
| Rio Bravo Solar II LLC | Deriva Energy | McKittrick, CA | 52 GWh | Nov 2016 | 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 |
| 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 |
| CED Ducor 1 | RWE Clean Energy | Ducor, CA | 52 GWh | Nov 2016 | Dec 2025 | Solar |
| CED Ducor 2 | RWE Clean Energy | Ducor, CA | 52 GWh | Nov 2016 | Dec 2025 | Solar |
| CED Ducor 3 | RWE Clean Energy | Ducor, CA | 38 GWh | Nov 2016 | Dec 2025 | Solar |
| CED Ducor 4 | RWE Clean Energy | Ducor, CA | 52 GWh | Nov 2016 | Dec 2025 | Solar |
| AVS Lancaster 1 | Tesla Inc. | Lancaster, CA | 6 GWh | Nov 2016 | Dec 2025 | Solar |
| US-TOPCO (Soccer Center) | Tesla Inc. | Lancaster, CA | 4 GWh | Nov 2016 | 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 |
| Antelope DSR 2 | AES Distributed Energy | Lancaster, CA | 14 GWh | Nov 2016 | Dec 2025 | 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 |
| Santa Rita Jail Fuel Cell | SRJFC, LLC | Dublin, CA | 8 GWh | Nov 2016 | Dec 2025 | Natural Gas |
| Longboat Solar, LLC | Deriva Energy | Barstow, CA | 54 GWh | Nov 2016 | Dec 2025 | Solar |
| Valley Center | Heelstone Energy Holdings, LLC | Valley Center, CA | 4 GWh | Nov 2016 | Dec 2025 | 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 |
| Solar Star California, XLIV, LLC | MN8 Energy LLC | Pearblossom, CA | 23 GWh | Nov 2016 | Dec 2025 | Solar |
| CSUF State College | MN8 Energy LLC | Fullerton, CA | 2 GWh | Nov 2016 | Dec 2025 | Solar |
| CSUF Nutwood Solar | MN8 Energy LLC | Fullerton, CA | 3 GWh | Nov 2016 | Dec 2025 | Solar |
| Fremont - Kato Rd | Tesla Inc. | Fremont, CA | 2 GWh | Nov 2016 | Dec 2025 | Solar |
| Broadway 3 - UCSB Lot 38 | MN8 Energy LLC | Santa Barbara, CA | 3 GWh | Nov 2016 | Dec 2025 | Solar |
| University of San Diego | Bloom Energy 2009 PPA | San Diego, CA | 8 GWh | Nov 2016 | Dec 2025 | Natural Gas |
| AT&T - Hayward | Bloom Energy | Hayward, CA | 8 GWh | Oct 2016 | Dec 2025 | Natural Gas |
| Pio Pico Energy Center | Pio Pico Energy Center LLC | San Diego, CA | 47 GWh | Oct 2016 | Dec 2025 | Natural Gas |
| Building F | Golden Springs Development Company LLC | Santa Fe Springs, CA | 1 GWh | Oct 2016 | Dec 2025 | Solar |
| Buidling L | Golden Springs Development Company LLC | Santa Fe Springs, CA | 1 GWh | Oct 2016 | Dec 2025 | Solar |
| RE Garland | Southern Power Co | Rosamond, CA | 510 GWh | Oct 2016 | Dec 2025 | Solar |
| Freeway Springs | Golden Springs Development Company LLC | Santa Fe Springs, CA | 3 GWh | Sep 2016 | Dec 2025 | Solar |
| Munro Valley Solar | Ecos Energy LLC | Olancha, CA | 9 GWh | Sep 2016 | Dec 2025 | Solar |
| Verwey-Hanford Dairy Digester #1 | AlsoEnergy | Hanford, CA | 3 GWh | Sep 2016 | Dec 2025 | Other Biomass Gas |
| DirecTV - Los Angeles | Bloom Energy | Los Angeles, CA | 8 GWh | Sep 2016 | Dec 2025 | Natural Gas |
| AT&T - Hawthorne | Bloom Energy | Hawthorne, CA | 8 GWh | Sep 2016 | Dec 2025 | Natural Gas |
| Five Points Solar Park | Boralex US Operations LLC | Five Points, CA | 81 GWh | Aug 2016 | Dec 2025 | Solar |
| Tropico Solar PV Plant | Arevon Energy, Inc. | Delano, CA | 32 GWh | Aug 2016 | Dec 2025 | Solar |
| Nicolis Solar PV Plant | Arevon Energy, Inc. | Delano, CA | 46 GWh | Aug 2016 | Dec 2025 | Solar |
| Copper Mountain Solar 4, LLC | RWE Clean Energy | Boulder City, NV | 248 GWh | Aug 2016 | Dec 2025 | Solar |
| Building G | Golden Springs Development Company LLC | Santa Fe Springs, CA | 2 GWh | Aug 2016 | Dec 2025 | Solar |
| Dulles | Golden Springs Development Company LLC | Jurupa Valley, CA | 2 GWh | Aug 2016 | Dec 2025 | Solar |
| RE Garland A | Southern Power Co | Rosamond, CA | 57 GWh | Aug 2016 | Dec 2025 | Solar |
| NLP Granger | Heelstone Energy Holdings, LLC | Valley Center, CA | 5 GWh | Aug 2016 | Dec 2025 | Solar |
| AT&T Anaheim | Bloom Energy | Anaheim, CA | 7 GWh | Aug 2016 | Dec 2025 | Natural Gas |
| Henrietta Solar Project | Southern Power Co | Lemoore, CA | 170 GWh | Jul 2016 | Dec 2025 | Solar |
| RE Mustang LLC | MN8 Energy LLC | Lemoore, CA | 221 GWh | Jul 2016 | Dec 2025 | Solar |
| Riverside RWQCP Fuel Cell | Riverside Fuel Cell, LLC | Riverside, CA | 7 GWh | Jul 2016 | Dec 2025 | Other Biomass Gas : 72.9% Natural Gas : 27.1% |
| SunE Rochester | SunE Solar XVI Lessor, LLC | Rancho Cucamonga, CA | 946 MWh | Jul 2016 | Dec 2025 | Solar |
| Antelope Big Sky Ranch | AES Distributed Energy | Lancaster, CA | 50 GWh | Jul 2016 | Dec 2025 | Solar |
| Soboba Community Solar Project | Soboba Band of Luiseno Indians | San Jacinto, CA | 4 GWh | Jul 2016 | Dec 2025 | Solar |
| RE Tranquillity | Southern Power Co | Cantua Creek, CA | 485 GWh | Jun 2016 | Dec 2025 | Solar |
| Blythe Solar II, LLC | Blythe Solar II, LLC | Blythe, CA | 325 GWh | Jun 2016 | Jul 2026 | Solar |
| Summer Solar LLC | AES Distributed Energy | Lancaster, CA | 56 GWh | Jun 2016 | Dec 2025 | Solar |
| SEPV Mojave West | AES Distributed Energy | Mojave, CA | 53 GWh | May 2016 | Dec 2025 | Solar |
| Frontier Solar LLC | Boralex US Operations LLC | Newman, CA | 48 GWh | May 2016 | Dec 2025 | Solar |
| Weymouth Solar Plant | Metropolitan Water District of S CA | La Verne, CA | 3 GWh | May 2016 | Dec 2025 | Solar |
| RCWD PV Project | MN8 Energy LLC | Murrieta, CA | 8 GWh | May 2016 | Dec 2025 | Solar |
| AT&T Holger | Bloom Energy | San Jose, CA | 1 GWh | May 2016 | Dec 2025 | Natural Gas |
| Cottonwood Solar, LLC Cottonwood Carport | Onward Energy | Novato, CA | 1 GWh | Apr 2016 | Dec 2025 | Solar |
| Central Antelope Dry Ranch C | AES Distributed Energy | Lancaster, CA | 39 GWh | Apr 2016 | Dec 2025 | Solar |
| Westside Solar Power PV1 | Westside Assets LLC | Lemoore, CA | 5 GWh | Apr 2016 | Dec 2024 | Solar |
| Lockheed Martin Palmdale Solar PV | Lockheed Martin Corporation | Palmdale, CA | 53 GWh | Apr 2016 | Dec 2025 | Solar |
| Delta Electronics Fremont | Delta Electronics (Americas) Ltd | Fremont, CA | 701 MWh | Mar 2016 | Dec 2025 | Solar |
| Imperial Solar Energy Center West | CSOLAR IV West LLC | Seeley, CA | 357 GWh | Mar 2016 | Dec 2025 | Solar |
| Bowerman Power LFG, LLC | Bowerman Power LFG, LLC | Irvine, CA | 151 GWh | Mar 2016 | Dec 2025 | Landfill Gas |
| Kingbird A Solar LLC | Arevon Energy, Inc. | Rosamond, CA | 38 GWh | Mar 2016 | Dec 2025 | Solar |
| Potrero Hills Energy Producers | Potrero Hills Energy Producers, LLC | Suisun City, CA | 56 GWh | Mar 2016 | Dec 2025 | Landfill Gas |
| Kingbird B Solar, LLC | Arevon Energy, Inc. | Rosamond, CA | 55 GWh | Mar 2016 | Dec 2025 | Solar |
| Genentech-Oceanside Hybrid | Tesla Inc. | Oceanside, CA | 6 GWh | Mar 2016 | Dec 2025 | Solar |
| Castor Solar | ZGlobal Inc | Dustin Acres, CA | 766 MWh | Mar 2016 | Dec 2025 | Solar |
| SunE- E Philadelphia Ontario | SunEdison LLC | Ontario, CA | 2 GWh | Feb 2016 | Dec 2025 | Solar |
| Blythe Solar 110, LLC | Blythe Solar 110, LLC | Blythe, CA | 284 GWh | Feb 2016 | Dec 2025 | Solar |
| CalTech - Pasadena (PPA) | Bloom Energy 2009 PPA | Pasadena, CA | 7 GWh | Feb 2016 | Dec 2025 | Natural Gas |
| AT&T - San Diego Trade Street | Bloom Energy | San Diego, CA | 4 GWh | Feb 2016 | Dec 2025 | Natural Gas |
| Corcoran Solar 3 | RWE Clean Energy | Corcoran, CA | 48 GWh | Jan 2016 | Dec 2025 | Solar |
| Lemoore 1 | AES Distributed Energy | Lemoore, CA | 1 GWh | Jan 2016 | Sep 2025 | Solar |
| Whitethorn Solar LLC | Whitethorn Solar LLC | Livermore, CA | 5 GWh | Jan 2016 | Dec 2025 | Solar |
| Solar Oasis LLC | Solar Oasis, LLC | Palmdale, CA | 53 GWh | Dec 2015 | Dec 2025 | Solar |
| SEPV 18 | AES Distributed Energy | Palmdale, CA | 4 GWh | Dec 2015 | Dec 2025 | Solar |
| Stateline Solar | Southern Power Co | Nipton, CA | 640 GWh | Nov 2015 | Dec 2025 | Solar |
| Woodmere Solar Farm | AES Distributed Energy | Edison, CA | 29 GWh | Nov 2015 | Dec 2025 | Solar |
| Hayworth Solar | AES Distributed Energy | Edison, CA | 47 GWh | Nov 2015 | Dec 2025 | Solar |
| Maricopa West Solar PV, LLC | Onward Energy | Taft, CA | 50 GWh | Nov 2015 | 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 |