California Independent System Operator
Balancing Authority Summary Information
California Independent System Operator is ranked #7 out of 65 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | California Independent System Operator |
|---|---|
| States | Arizona California Nevada |
| Last Update | Apr 2026 |
| Annual Generation | 176.8 TWh |
| Power Plants | 2,075 |
| Utilities | 965 |
| Ranked #7 out of 65 in terms of net annual generation | |
| Ranked #10 out of 54 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 38.5% Solar | 28.7% Water | 12.1% Wind | 10.2% Nuclear | 10.1% |
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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 |
|---|---|---|---|---|---|---|
| Summer Solar C2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2024 | Solar |
| Summer Solar D2 | AES Distributed Energy | Lancaster, CA | 2 GWh | Jun 2014 | Dec 2024 | Solar |
| Summer North Solar | AES Distributed Energy | Lancaster, CA | 10 GWh | Nov 2014 | Dec 2024 | Solar |
| Expressway Solar A | AES Distributed Energy | Victorville, CA | 5 GWh | Apr 2014 | Dec 2024 | Solar |
| Expressway Solar B | AES Distributed Energy | Victorville, CA | 4 GWh | Apr 2014 | Dec 2024 | Solar |
| Expressway Solar C2 | AES Distributed Energy | Victorville, CA | 3 GWh | Oct 2014 | Dec 2024 | Solar |
| Shasta Solar Farm | Ignite Solar Holdings LLC | Fall River Mills, CA | 6 GWh | Feb 2014 | Dec 2024 | Solar |
| Redcrest Solar Farm | AES Distributed Energy | Edison, CA | 25 GWh | Sep 2015 | Dec 2024 | Solar |
| CSU Long Beach Lots 7 & 14 | MN8 Energy LLC | Long Beach, CA | 7 GWh | Nov 2017 | Dec 2024 | Solar |
| Stanford Campus Solar | MN8 Energy LLC | Stanford, CA | 6 GWh | Feb 2017 | Dec 2024 | Solar |
| UC Riverside Lots 30 & 32 | MN8 Energy LLC | Riverside, CA | 7 GWh | Nov 2017 | Dec 2024 | Solar |
| ASTI | Perpetual Energy Systems | Cloverdale, CA | 1 GWh | Jan 2009 | Dec 2024 | Solar |
| Beringer | Perpetual Energy Systems | Saint Helena, CA | 1 GWh | Dec 2008 | Dec 2024 | Solar |
| Valley Center 1 | MN8 Energy LLC | Valley Center, CA | 4 GWh | Nov 2013 | Dec 2024 | Solar |
| Valley Center 2 | MN8 Energy LLC | Valley Center, CA | 11 GWh | Nov 2013 | Dec 2024 | Solar |
| Ramona 1 | MN8 Energy LLC | Ramona, CA | 3 GWh | Nov 2013 | Dec 2024 | Solar |
| Ramona 2 | MN8 Energy LLC | Ramona, CA | 9 GWh | Nov 2013 | Dec 2024 | Solar |
| Santa Fe Springs Rooftop Solar BLDG M | Golden Springs Development Company LLC | Santa Fe Springs, CA | 2 GWh | Feb 2015 | Dec 2024 | Solar |
| Santa Fe Springs Rooftop Solar BLDG H | Golden Springs Development Company LLC | Santa Fe Springs, CA | 2 GWh | Feb 2015 | Dec 2024 | Solar |
| MCAGCC Cogen Plant | DOD USMC Marine Air Ground Combat | Twentynine Palms, CA | 69 GWh | Jan 2003 | Dec 2024 | Natural Gas |
| 2081 Terzian Solar Project | Solarenewal LLC | Reedley, CA | 2 GWh | Jan 2014 | Dec 2024 | Solar |
| 2127 Harris Solar Project | Solarenewal LLC | Live Oak, CA | 1 GWh | Mar 2014 | Dec 2024 | Solar |
| 2097 Helton Solar Project | Solarenewal LLC | Merced, CA | 2 GWh | Mar 2014 | Dec 2024 | Solar |
| Cloverdale Solar I | Altus Power America Management, LLC | Cloverdale, CA | 2 GWh | May 2014 | Dec 2024 | Solar |
| Laguna Water Reclamation Facility | City of Santa Rosa | Santa Rosa, CA | 11 GWh | Feb 2013 | Dec 2024 | Other Biomass Gas : 85.8% Natural Gas : 14.2% |
| Las Virgenes Municipal Water District | Tesla Inc. | Calabasas, CA | 2 GWh | Jan 2014 | Dec 2024 | Solar |
| White River Solar 2 | Consolidated Edison Development Inc. | Alpaugh, CA | 48 GWh | Aug 2014 | Dec 2024 | Solar |
| Henrietta Solar Project | Southern Power Co | Lemoore, CA | 218 GWh | Jul 2016 | Dec 2024 | Solar |
| RE Camelot LLC | Onward Energy | Mojave, CA | 125 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Adams East, LLC | Onward Energy | Fresno, CA | 39 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Kansas Solar, LLC | Onward Energy | Lemoore, CA | 36 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Old River One, LLC | Onward Energy | Bakersfield, CA | 36 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Columbia Two, LLC | Onward Energy | Mojave, CA | 40 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Kent South, LLC | Onward Energy | Lemoore, CA | 44 GWh | Nov 2014 | Dec 2024 | Solar |
| Woodmere Solar Farm | AES Distributed Energy | Edison, CA | 24 GWh | Nov 2015 | Dec 2024 | Solar |
| Hayworth Solar | AES Distributed Energy | Edison, CA | 46 GWh | Nov 2015 | Dec 2024 | Solar |
| UC Merced Solar Hybrid | MN8 Energy LLC | Merced, CA | 7 GWh | Nov 2018 | Dec 2024 | Solar |
| Cottonwood Solar, LLC (Goose Lake) | Onward Energy | Lost Hills, CA | 32 GWh | Apr 2015 | Dec 2024 | Solar |
| Cottonwood Solar, LLC (City of Corcoran) | Onward Energy | Corcoran, CA | 23 GWh | Apr 2015 | Dec 2024 | Solar |
| Division 1 | Tesla Inc. | Lancaster, CA | 3 GWh | May 2014 | Dec 2024 | Solar |
| Division 2 | Tesla Inc. | Lancaster, CA | 541 MWh | May 2014 | Dec 2024 | Solar |
| Division 3 | Tesla Inc. | Lancaster, CA | 458 MWh | May 2014 | Dec 2024 | Solar |
| Kettering Solar 1 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Dec 2024 | Solar |
| Kettering Solar 2 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Dec 2024 | Solar |
| CSD 2- Freedom High | CleanCapital Holdings | Oakley, CA | 1 GWh | Jul 2013 | Dec 2024 | Solar |
| CSD 2 - Heritage High | CleanCapital Holdings | Brentwood, CA | 2 GWh | Aug 2013 | Dec 2024 | Solar |
| EAFB - North Base | CleanCapital Holdings | Edwards Air Force Bas, CA | 3 GWh | Jan 2012 | Dec 2024 | Solar |
| EAFB - South Base | CleanCapital Holdings | Edwards Air Force Bas, CA | 2 GWh | Jan 2012 | Dec 2024 | Solar |
| SDCCD - Miramar | CleanCapital Holdings | San Diego, CA | 2 GWh | Jan 2011 | Dec 2024 | Solar |
| SDCWA - Twin Oaks | CleanCapital Holdings | San Marcos, CA | 1 GWh | Apr 2011 | Dec 2024 | Solar |
| RE Mustang LLC | MN8 Energy LLC | Lemoore, CA | 221 GWh | Jul 2016 | Dec 2024 | Solar |
| Pacific Ethanol Madera Solar Array | Seaboard Energy California, LLC | Madera, CA | 2 GWh | Jul 2018 | Dec 2024 | Solar |
| Lancaster Solar 1 | Boralex US Operations LLC | Lancaster, CA | 2 GWh | Oct 2014 | Dec 2024 | Solar |
| Lancaster Solar 2 | Boralex US Operations LLC | Lancaster, CA | 3 GWh | Oct 2014 | Dec 2024 | Solar |
| Hesperia | SunEdison LLC | Hesperia, CA | 3 GWh | Jul 2014 | Dec 2024 | Solar |
| CID Solar, LLC | Onward Energy | Corcoran, CA | 45 GWh | Nov 2014 | Dec 2024 | Solar |
| Farmersville | Arevon Energy, Inc. | Farmersville, CA | 7 GWh | Jun 2014 | Dec 2024 | Solar |
| Porterville 6 and 7 | Arevon Energy, Inc. | Porterville, CA | 3 GWh | Jun 2014 | Dec 2024 | Solar |
| Rising Tree Wind Farm II | Rising Tree Wind Farm II LLC | Mojave, CA | 59 GWh | Dec 2014 | Dec 2024 | Wind |
| Rising Tree Wind Farm III | Rising Tree Wind Farm III LLC | Mojave, CA | 261 GWh | May 2015 | Dec 2024 | Wind |
| National Raisin | National Raisin | Fowler, CA | 5 GWh | May 2015 | Dec 2024 | Solar |
| Maxim | Bloom Energy | San Jose, CA | 6 GWh | Jul 2014 | Dec 2024 | Natural Gas |
| Bayshore Solar C, LLC | AES Distributed Energy | Lancaster, CA | 41 GWh | Nov 2017 | Dec 2024 | Solar |
| Longboat Solar, LLC | Duke Energy Renewables Services | Barstow, CA | 42 GWh | Nov 2016 | Dec 2024 | Solar |
| Bayshore Solar B, LLC | AES Distributed Energy | Lancaster, CA | 45 GWh | Nov 2017 | Dec 2024 | Solar |
| Corcoran | Terraform Arcadia | Corcoran, CA | 2 GWh | Dec 2013 | Dec 2024 | Solar |
| E&B Resources | Terraform Arcadia | Bakersfield, CA | 2 GWh | Nov 2013 | Dec 2024 | Solar |
| CA Dept of Public Health at Richmond | California PV Energy LLC | Richmond, CA | 4 GWh | Dec 2016 | Dec 2024 | Solar |
| Redwood 4 Solar Farm | 54 KR 8me LLC | Edison, CA | 40 GWh | Nov 2017 | Dec 2024 | Solar |
| RCWD PV Project | MN8 Energy LLC | Murrieta, CA | 8 GWh | May 2016 | Dec 2024 | Solar |
| Valley Center | Heelstone Energy Holdings, LLC | Valley Center, CA | 5 GWh | Nov 2016 | Dec 2024 | Solar |
| Munro Valley Solar | Ecos Energy LLC | Olancha, CA | 11 GWh | Sep 2016 | Dec 2024 | Solar |
| RE Garland A | Southern Power Co | Rosamond, CA | 58 GWh | Aug 2016 | Dec 2024 | Solar |
| Santa Rita Jail Fuel Cell | SRJFC, LLC | Dublin, CA | 9 GWh | Nov 2016 | Dec 2024 | Natural Gas |
| Portal Ridge Solar C, LLC | Portal Ridge Solar, LLC | Lancaster, CA | 25 GWh | Jan 2017 | Dec 2024 | Solar |
| Portal Ridge Solar B, LLC | Portal Ridge Solar, LLC | Lancaster, CA | 47 GWh | Jan 2017 | Dec 2024 | Solar |
| NLP Granger | Heelstone Energy Holdings, LLC | Valley Center, CA | 5 GWh | Aug 2016 | Dec 2024 | Solar |
| Solar Blythe 2 | NRG Solar Blythe II LLC | Blythe, CA | 38 GWh | Mar 2017 | Dec 2024 | Solar |
| Central Antelope Dry Ranch B LLC | Central Antelope Dry Ranch B, LLC | Lancaster, CA | 7 GWh | Aug 2017 | Dec 2024 | Solar |
| Summer Solar LLC | AES Distributed Energy | Lancaster, CA | 49 GWh | Jun 2016 | Dec 2024 | Solar |
| Antelope Big Sky Ranch | AES Distributed Energy | Lancaster, CA | 54 GWh | Jul 2016 | Dec 2024 | Solar |
| San Joaquin Solar | GASNA 6P, LLC | Helm, CA | 25 GWh | Sep 2018 | Dec 2024 | Solar |
| Westside Solar Power PV1 | Westside Assets LLC | Lemoore, CA | 5 GWh | Apr 2016 | Dec 2024 | Solar |
| Weymouth Solar Plant | Metropolitan Water District of S CA | La Verne, CA | 5 GWh | May 2016 | Dec 2024 | Solar |
| Silicon Valley Clean Water | Silicon Valley Clean Water | Redwood City, CA | 7 GWh | Feb 2015 | Dec 2024 | Other Biomass Gas : 71.4% Natural Gas : 28.6% |
| Algonquin SKIC 10 Solar, LLC | Algonquin Power Co | Taft, CA | 15 GWh | Dec 2016 | Dec 2024 | Solar |
| RE Garland | Southern Power Co | Rosamond, CA | 483 GWh | Oct 2016 | Dec 2024 | Solar |
| PVN Milliken, LLC | PVN Milliken, LLC | Ontario, CA | 5 GWh | May 2017 | Dec 2024 | Solar |
| Genentech-Oceanside Hybrid | Tesla Inc. | Oceanside, CA | 4 GWh | Mar 2016 | Dec 2024 | Solar |
| Intel Santa Clara | Bloom Energy | Santa Clara, CA | 8 GWh | Dec 2014 | Dec 2024 | Natural Gas |
| Equinix San Jose | Bloom Energy | San Jose, CA | 16 GWh | Oct 2015 | Dec 2024 | Natural Gas |
| Zero Waste Energy Development Co LLC | Zero Waste Energy Development Company LLC | San Jose, CA | 2 GWh | Jan 2015 | Dec 2024 | Other Biomass Gas |
| Whitethorn Solar LLC | Whitethorn Solar LLC | Livermore, CA | 4 GWh | Jan 2016 | Dec 2024 | Solar |
| SunAnza | Arizona Electric Pwr Coop Inc | Anza, CA | 8 GWh | Aug 2017 | Dec 2024 | Solar |
| Antelope DSR 2 | AES Distributed Energy | Lancaster, CA | 12 GWh | Nov 2016 | Dec 2024 | Solar |
| Cloverdale Solar Center | Adapture Renewables, Inc. | Cloverdale, CA | 2 GWh | Apr 2019 | Dec 2024 | Solar |
| Genentech Vacaville Meter #1 | Tesla Inc. | Vacaville, CA | 11 GWh | Apr 2017 | Dec 2024 | Solar |
| Freeway Springs | Golden Springs Development Company LLC | Santa Fe Springs, CA | 3 GWh | Sep 2016 | Dec 2024 | Solar |
| Solar Star California, XLIV, LLC | MN8 Energy LLC | Pearblossom, CA | 18 GWh | Nov 2016 | Dec 2024 | Solar |
| Dulles | Golden Springs Development Company LLC | Jurupa Valley, CA | 2 GWh | Aug 2016 | Dec 2024 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #26 | Arizona Public Service Company | 24.6 TWh | 92 |
| #54 | Arlington Valley, LLC | 3.3 TWh | 1 |
| #37 | Balancing Authority of Northern California | 14.1 TWh | 87 |
| #48 | Imperial Irrigation District | 6.3 TWh | 66 |
| #30 | Los Angeles Department of Water and Power | 18.4 TWh | 124 |
| #22 | Nevada Power Company | 36.8 TWh | 139 |
| #64 | New Harquahala Generating Company, LLC | 32.9 GWh | 1 |
| #19 | Salt River Project Agricultural Improvement and Power District | 60.0 TWh | 48 |
| #57 | Turlock Irrigation District | 2.0 TWh | 11 |
| #39 | Western Area Power Administration - Desert Southwest Region | 10.3 TWh | 33 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #3 | Electric Reliability Council of Texas, Inc. | 488.2 TWh | 1,313 |
| #5 | Southwest Power Pool | 302.9 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #7 | California Independent System Operator | 176.8 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 163.1 TWh | 204 |
| #10 | Florida Power & Light Co. | 150.9 TWh | 187 |
| #12 | New York Independent System Operator | 134.4 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |
| #15 | ISO New England | 111.1 TWh | 1,577 |
| #16 | Bonneville Power Administration | 88.3 TWh | 163 |