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 |
|---|---|---|---|---|---|---|
| Otoe Solar Power Generation Station 1 LL | AES Distributed Energy | Apple Valley, CA | 3 GWh | Nov 2013 | Dec 2025 | Solar |
| Westlands Solar PV Farm | Boralex US Operations LLC | Huron, CA | 39 GWh | Jan 2014 | Dec 2025 | Solar |
| Transamerica Pyramid | Transamerica Pyramid Properties LLC | San Francisco, CA | 4 MWh | Jun 2007 | Dec 2025 | Natural Gas |
| Santa Rita Jail Hybrid | County of Alameda GSA - (CA) | Dublin, CA | 10 GWh | Aug 2001 | Dec 2025 | Natural Gas : 77.7% Solar : 22.3% |
| Western Antelope Blue Sky Ranch A | AES Distributed Energy | Lancaster, CA | 43 GWh | Oct 2014 | Dec 2025 | Solar |
| Western Antelope Dry Ranch | AES Distributed Energy | Lancaster, CA | 26 GWh | Nov 2016 | Dec 2025 | Solar |
| Monterey Regional Water Pollution Contro | Tesla Inc. | Marina, CA | 1 GWh | Nov 2010 | Dec 2025 | Solar |
| Lancaster Baptist Church | Tesla Inc. | Lancaster, CA | 1 GWh | Nov 2011 | Dec 2025 | Solar |
| Tulare 1 and 2 | Arevon Energy, Inc. | Tulare, CA | 5 GWh | Dec 2013 | Dec 2025 | Solar |
| Stateline Solar | Southern Power Co | Nipton, CA | 640 GWh | Nov 2015 | Dec 2025 | Solar |
| Mira Loma | Costco Wholesale | Mira Loma, CA | 2 GWh | Oct 2011 | Dec 2025 | Solar |
| ABEC Bidart-Old River LLC | ABEC Bidart-Old River LLC | Bakersfield, CA | 16 GWh | Nov 2013 | Dec 2025 | Other Biomass Gas |
| Lost Hills/Blackwell | Southern Power Co | Lost Hills, CA | 59 GWh | Mar 2015 | Dec 2025 | Solar |
| North Star Solar | Southern Power Co | Mendota, CA | 133 GWh | May 2015 | Dec 2025 | Solar |
| Orion Solar I | Orion Solar I LLC | Arvin, CA | 27 GWh | Mar 2014 | Dec 2025 | Solar |
| Orion Solar II | Orion Solar II, LLC | Arvin, CA | 16 GWh | May 2014 | Dec 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 |
| 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 |
| Summer Solar D2 | AES Distributed Energy | Lancaster, CA | 2 GWh | Jun 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 |
| Expressway Solar C2 | AES Distributed Energy | Victorville, CA | 3 GWh | Oct 2014 | Dec 2025 | Solar |
| Shasta Solar Farm | Ignite Solar Holdings LLC | Fall River Mills, CA | 6 GWh | Feb 2014 | Dec 2025 | Solar |
| Redcrest Solar Farm | AES Distributed Energy | Edison, CA | 34 GWh | Sep 2015 | Dec 2025 | Solar |
| ASTI | SunStrong Management, LLC | Cloverdale, CA | 1 GWh | Jan 2009 | Dec 2025 | Solar |
| Beringer | SunStrong Management, LLC | Saint Helena, CA | 2 GWh | Dec 2008 | Dec 2025 | Solar |
| Valley Center 1 | MN8 Energy LLC | Valley Center, CA | 4 GWh | Nov 2013 | Dec 2025 | Solar |
| Valley Center 2 | MN8 Energy LLC | Valley Center, CA | 8 GWh | Nov 2013 | Dec 2025 | Solar |
| Ramona 1 | MN8 Energy LLC | Ramona, CA | 3 GWh | Nov 2013 | Dec 2025 | Solar |
| Ramona 2 | MN8 Energy LLC | Ramona, CA | 9 GWh | Nov 2013 | Dec 2025 | Solar |
| Santa Fe Springs Rooftop Solar BLDG M | Golden Springs Development Company LLC | Santa Fe Springs, CA | 3 GWh | Feb 2015 | Dec 2025 | Solar |
| Santa Fe Springs Rooftop Solar BLDG H | Golden Springs Development Company LLC | Santa Fe Springs, CA | 2 GWh | Feb 2015 | Dec 2025 | Solar |
| MCAGCC Cogen Plant | DOD USMC Marine Air Ground Combat | Twentynine Palms, CA | 68 GWh | Jan 2003 | Dec 2025 | Natural Gas |
| 2081 Terzian Solar Project | Solarenewal LLC | Reedley, CA | 1 GWh | Jan 2014 | Dec 2025 | Solar |
| 2127 Harris Solar Project | Solarenewal LLC | Live Oak, CA | 885 MWh | Mar 2014 | Dec 2025 | Solar |
| 2097 Helton Solar Project | Solarenewal LLC | Merced, CA | 1 GWh | Mar 2014 | Dec 2025 | Solar |
| Cloverdale Solar I | Altus Power America Management, LLC | Cloverdale, CA | 1 GWh | May 2014 | Dec 2025 | Solar |
| Laguna Water Reclamation Facility | City of Santa Rosa - (CA) | Santa Rosa, CA | 9 GWh | Feb 2013 | Dec 2025 | Other Biomass Gas : 83.6% Natural Gas : 16.4% |
| Las Virgenes Municipal Water District | Tesla Inc. | Calabasas, CA | 1 GWh | Jan 2014 | Dec 2025 | Solar |
| White River Solar 2 | RWE Clean Energy | Alpaugh, CA | 49 GWh | Aug 2014 | Dec 2025 | Solar |
| Henrietta Solar Project | Southern Power Co | Lemoore, CA | 170 GWh | Jul 2016 | Dec 2025 | Solar |
| RE Camelot LLC | Onward Energy | Mojave, CA | 121 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Adams East, LLC | Onward Energy | Fresno, CA | 41 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Kansas Solar, LLC | Onward Energy | Lemoore, CA | 24 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Old River One, LLC | Onward Energy | Bakersfield, CA | 38 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Columbia Two, LLC | Onward Energy | Mojave, CA | 41 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Kent South, LLC | Onward Energy | Lemoore, CA | 36 GWh | Nov 2014 | 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 |
| Cottonwood Solar, LLC (Goose Lake) | Onward Energy | Lost Hills, CA | 30 GWh | Apr 2015 | Dec 2025 | Solar |
| Cottonwood Solar, LLC (City of Corcoran) | Onward Energy | Corcoran, CA | 21 GWh | Apr 2015 | Dec 2025 | Solar |
| Division 1 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Dec 2025 | Solar |
| Division 2 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Dec 2025 | Solar |
| Division 3 | Tesla Inc. | Lancaster, CA | 1 GWh | May 2014 | Dec 2025 | Solar |
| Enerparc CA1 LLC | CleanCapital Holdings | Hollister, CA | 3 GWh | May 2014 | Dec 2025 | Solar |
| CSD 2- Freedom High | CleanCapital Holdings | Oakley, CA | 1 GWh | Jul 2013 | Dec 2025 | Solar |
| CSD 2 - Heritage High | CleanCapital Holdings | Brentwood, CA | 2 GWh | Aug 2013 | Dec 2025 | Solar |
| EAFB - North Base | CleanCapital Holdings | Edwards Air Force Bas, CA | 3 GWh | Jan 2012 | Dec 2025 | Solar |
| EAFB - South Base | CleanCapital Holdings | Edwards Air Force Bas, CA | 2 GWh | Jan 2012 | Dec 2025 | Solar |
| SDCCD - Miramar | CleanCapital Holdings | San Diego, CA | 1 GWh | Jan 2011 | Dec 2025 | Solar |
| SDCWA - Twin Oaks | CleanCapital Holdings | San Marcos, CA | 2 GWh | Apr 2011 | Dec 2025 | Solar |
| RE Mustang LLC | MN8 Energy LLC | Lemoore, CA | 221 GWh | Jul 2016 | Dec 2025 | Solar |
| Lancaster Solar 1 | Boralex US Operations LLC | Lancaster, CA | 2 GWh | Oct 2014 | Dec 2025 | Solar |
| Lancaster Solar 2 | Boralex US Operations LLC | Lancaster, CA | 2 GWh | Oct 2014 | Dec 2025 | Solar |
| Hesperia | SunEdison LLC | Hesperia, CA | 3 GWh | Jul 2014 | Dec 2025 | Solar |
| CID Solar, LLC | Onward Energy | Corcoran, CA | 41 GWh | Nov 2014 | Dec 2025 | Solar |
| Farmersville | Arevon Energy, Inc. | Farmersville, CA | 6 GWh | Jun 2014 | Dec 2025 | Solar |
| Porterville 6 and 7 | Arevon Energy, Inc. | Porterville, CA | 4 GWh | Jun 2014 | Dec 2025 | Solar |
| Rising Tree Wind Farm II | Rising Tree Wind Farm II LLC | Mojave, CA | 54 GWh | Dec 2014 | Dec 2025 | Wind |
| Rising Tree Wind Farm III | Rising Tree Wind Farm III LLC | Mojave, CA | 260 GWh | May 2015 | Dec 2025 | Wind |
| Lone Valley Solar Park II LLC | Lone Valley Solar Park II LLC | Lucerne Valley, CA | 53 GWh | Nov 2014 | 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 |
| Wildwood Solar II | Deriva Energy | Wasco, CA | 39 GWh | Dec 2016 | Dec 2025 | Solar |
| Lancaster Little Rock | AES Distributed Energy | Landers, CA | 3 GWh | Nov 2014 | Dec 2025 | Solar |
| Merced Solar LLC | Ecos Energy LLC | Merced, CA | 4 GWh | Nov 2014 | Dec 2025 | Solar |
| Mission Solar LLC | Ecos Energy LLC | Merced, CA | 4 GWh | Nov 2014 | Dec 2025 | Solar |
| Hollister Solar LLC | Ecos Energy LLC | Hollister, CA | 4 GWh | Nov 2014 | Dec 2025 | Solar |
| Victor Mesa Linda B2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2025 | Solar |
| Green Beanworks C PV | AES Distributed Energy | Palmdale, CA | 8 GWh | Jul 2018 | 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 |
| NextEra Westside PV | Westside Solar, LLC | Five Points, CA | 26 GWh | Feb 2017 | Dec 2025 | Solar |
| Lindberg Field Solar 2 | Lindberg Field Solar 2, LLC | San Diego, CA | 2 GWh | Jan 2017 | Dec 2025 | Solar |
| Ramona Solar Energy | San Diego Gas & Electric Co | Ramona, CA | 2 GWh | Mar 2017 | Dec 2025 | Solar |
| SCDA Solar 1 | SCDA Solar 1, LLC | Sacramento, CA | 14 GWh | Sep 2017 | Dec 2025 | Solar |
| Marin Clean Energy Solar One | AES Distributed Energy | Richmond, CA | 21 GWh | Nov 2017 | Dec 2025 | Solar |
| Foundation CDCR LAC | Foundation CA Fund VIII Manager, LLC | Lancaster, CA | 4 GWh | Nov 2017 | Dec 2025 | Wind |
| Foundation Scheid Vineyards | Foundation CA Fund VIII Manager, LLC | Greenfield, CA | 4 GWh | Aug 2017 | Dec 2025 | Wind |
| Manteca Land PV | AES Distributed Energy | Manteca, CA | 2 GWh | Nov 2017 | Dec 2025 | Solar |
| Delano Land 1 | AES Distributed Energy | Delano, CA | 892 MWh | Nov 2017 | Dec 2025 | Solar |
| Bakersfield PV 1 | AES Distributed Energy | Bakersfield, CA | 6 GWh | Nov 2017 | Dec 2025 | Solar |
| AT&T Holger | Bloom Energy | San Jose, CA | 1 GWh | May 2016 | Dec 2025 | Natural Gas |
| AT&T Anaheim | Bloom Energy | Anaheim, CA | 7 GWh | Aug 2016 | Dec 2025 | Natural Gas |
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 |