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 | Nov 2025 |
| Annual Generation | 188.0 TWh |
| Power Plants | 2,075 |
| Utilities | 965 |
| Ranked #7 out of 65 in terms of net annual generation | |
| Ranked #7 out of 53 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 43.1% Solar | 26.4% Water | 11.1% Wind | 10.6% Nuclear | 9.4% |
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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 |
|---|---|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| Lone Valley Solar Park II LLC | Lone Valley Solar Park II LLC | Lucerne Valley, CA | 50 GWh | Nov 2014 | Dec 2024 | Solar |
| Rio Bravo Solar 1 LLC | Duke Energy Renewables Services | McKittrick, CA | 52 GWh | Nov 2016 | Dec 2024 | Solar |
| Rio Bravo Solar II LLC | Duke Energy Renewables Services | McKittrick, CA | 51 GWh | Nov 2016 | Dec 2024 | Solar |
| Wildwood Solar II | Duke Energy Renewables Services | Wasco, CA | 39 GWh | Dec 2016 | Dec 2024 | Solar |
| Lancaster Little Rock | AES Distributed Energy | Landers, CA | 3 GWh | Nov 2014 | Dec 2024 | Solar |
| Merced Solar LLC | Ecos Energy LLC | Merced, CA | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Mission Solar LLC | Ecos Energy LLC | Merced, CA | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Hollister Solar LLC | Ecos Energy LLC | Hollister, CA | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Victor Mesa Linda B2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2024 | Solar |
| Victor Mesa Linda C2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2024 | Solar |
| Victor Mesa Linda D2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2024 | Solar |
| Victor Mesa Linda E2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2024 | Solar |
| SEPV Palmdale East | AES Distributed Energy | Palmdale, CA | 25 GWh | Jul 2015 | Dec 2024 | Solar |
| Life Technologies - Pleasanton | Bloom Energy | Pleasanton, CA | 8 GWh | Feb 2013 | Dec 2024 | Natural Gas |
| Kellogg's - San Jose | Bloom Energy | San Jose, CA | 7 GWh | Aug 2013 | Dec 2024 | Natural Gas |
| California PV Energy at ISD WWTP | California PV Energy LLC | Oakley, CA | 2 GWh | Jul 2014 | Dec 2024 | Solar |
| Waste Mangement Redwood LFGTE | WM Renewable Energy LLC | Novato, CA | 13 GWh | Apr 2017 | Dec 2024 | Landfill Gas |
| Hanford 1 and 2 | Arevon Energy, Inc. | Hanford, CA | 5 GWh | Jul 2014 | Dec 2024 | Solar |
| Pumpjack Solar I | Duke Energy Renewables Services | McKittrick, CA | 46 GWh | Dec 2014 | Dec 2024 | Solar |
| City of Soledad Water Reclamation | Foundation HA Energy Generation, LLC | Soledad, CA | 4 GWh | Oct 2014 | Dec 2024 | Wind |
| Taylor Farms | Foundation HA Energy Generation, LLC | Gonzales, CA | 4 GWh | Oct 2014 | Dec 2024 | Wind |
| Catalina Solar 2, LLC | Onward Energy | Rosamond, CA | 53 GWh | Jul 2015 | Dec 2024 | Solar |
| Quinto Solar PV Project | Arevon Energy, Inc. | Gustine, CA | 257 GWh | Oct 2015 | Dec 2024 | Solar |
| SCE-Snowline-Duncan Road (North) | SunEdison LLC | Phelan, CA | 2 GWh | Sep 2014 | Dec 2024 | Solar |
| SCE-Snowline-Duncan Road (South) | SunEdison LLC | Phelan, CA | 2 GWh | Sep 2014 | Dec 2024 | Solar |
| Wildwood Solar I, LLC | Duke Energy Renewables Services | Wasco, CA | 42 GWh | Jan 2015 | Dec 2024 | Solar |
| City of Tulare Water Facility | City of Tulare Water Pollution Control | Tulare, CA | 21 GWh | Dec 1990 | Dec 2024 | Natural Gas : 62.5% Other Biomass Gas : 21.5% Solar : 16.0% |
| Diamond Valley Solar Project | Ecos Energy LLC | Winchester, CA | 2 GWh | Dec 2014 | Dec 2024 | Solar |
| Shafter Solar LLC | Shafter Solar LLC | Bakersfield, CA | 46 GWh | Apr 2015 | Dec 2024 | Solar |
| Madelyn Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | 3 GWh | Nov 2014 | Dec 2024 | Solar |
| Rudy Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Mitchell Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Algonquin SKIC20 Solar LLC | Algonquin Power Co | Taft, CA | 41 GWh | Apr 2015 | Dec 2024 | Solar |
| Corcoran Solar 2 | Consolidated Edison Development Inc. | Corcoran, CA | 46 GWh | Apr 2015 | Dec 2024 | Solar |
| Atwell Island West Solar | Consolidated Edison Development Inc. | Alpaugh, CA | 45 GWh | Apr 2015 | Dec 2024 | Solar |
| Anaheim Solar Energy Plant | Anaheim Public Utilities | Anaheim, CA | 3 GWh | Jul 2014 | Dec 2024 | Solar |
| SCE-Snowline-White Road (South) | SunEdison LLC | Phelan, CA | 3 GWh | Oct 2014 | Dec 2024 | Solar |
| SCE-Snowline-White Rd (Central) | SunEdison LLC | Phelan, CA | 3 GWh | Oct 2014 | Dec 2024 | Solar |
| Baker Creek Hydroelectric | Baker Station Associates, LP | Bridgeville, CA | 4 GWh | Oct 2014 | Dec 2024 | Water |
| Sierra Solar Greenworks | AES Distributed Energy | Lancaster, CA | 39 GWh | Oct 2015 | Dec 2024 | Solar |
| Adelanto Solar II, LLC | Adelanto Solar II, LLC | Adelanto, CA | 14 GWh | Jun 2015 | Dec 2024 | Solar |
| Adelanto Solar, LLC | Adelanto Solar, LLC | Adelanto, CA | 53 GWh | Aug 2015 | Dec 2024 | Solar |
| TA-Acacia, LLC | Onward Energy | Lancaster, CA | 52 GWh | Oct 2014 | Dec 2024 | Solar |
| Q Plant | Qualcomm Incorporated | San Diego, CA | 66 MWh | Jun 2013 | Dec 2024 | Natural Gas |
| Bowerman Power LFG, LLC | Bowerman Power LFG, LLC | Irvine, CA | 154 GWh | Mar 2016 | Dec 2024 | Landfill Gas |
| Alamo Solar | Onward Energy | Oro Grande, CA | 48 GWh | Apr 2015 | Dec 2024 | Solar |
| Apple Campus 2 PV | Apple, Inc | Cupertino, CA | 17 GWh | May 2017 | Dec 2024 | Solar |
| Giffen Solar Park | Giffen Solar Park, LLC | Cantua Creek, CA | 19 GWh | May 2017 | Dec 2024 | Solar |
| Five Points Solar Park | Boralex US Operations LLC | Five Points, CA | 93 GWh | Aug 2016 | Dec 2024 | Solar |
| Blackwell Solar Park | Consolidated Edison Development Inc. | Lost Hills, CA | 31 GWh | Dec 2018 | Dec 2024 | Solar |
| Solar Oasis LLC | Solar Oasis, LLC | Palmdale, CA | 51 GWh | Dec 2015 | Dec 2024 | Solar |
| Coronus Adelanto West 1 | Clean Focus Yield, LLC | Adelanto, CA | 3 GWh | Dec 2014 | Dec 2024 | Solar |
| Coronus Adelanto West 2 | Clean Focus Yield, LLC | Adelanto, CA | 3 GWh | Dec 2014 | Dec 2024 | Solar |
| Park Meridian #1 | Altus Power America Management, LLC | Riverside, CA | 2 GWh | Feb 2015 | Dec 2024 | Solar |
| Rancho Cucamonga Dist #1 | Altus Power America Management, LLC | Rancho Cucamonga, CA | 3 GWh | Mar 2015 | Dec 2024 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #26 | Arizona Public Service Company | 23.9 TWh | 92 |
| #54 | Arlington Valley, LLC | 3.4 TWh | 1 |
| #36 | Balancing Authority of Northern California | 14.7 TWh | 87 |
| #47 | Imperial Irrigation District | 6.3 TWh | 66 |
| #29 | Los Angeles Department of Water and Power | 18.9 TWh | 124 |
| #22 | Nevada Power Company | 37.2 TWh | 139 |
| #60 | New Harquahala Generating Company, LLC | 764.0 GWh | 1 |
| #19 | Salt River Project Agricultural Improvement and Power District | 60.0 TWh | 48 |
| #56 | Turlock Irrigation District | 2.1 TWh | 11 |
| #39 | Western Area Power Administration - Desert Southwest Region | 9.8 TWh | 33 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #4 | Electric Reliability Council of Texas, Inc. | 485.0 TWh | 1,313 |
| #5 | Southwest Power Pool | 299.9 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #7 | California Independent System Operator | 188.0 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 161.6 TWh | 204 |
| #10 | Florida Power & Light Co. | 148.9 TWh | 187 |
| #12 | New York Independent System Operator | 131.6 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |
| #15 | ISO New England | 105.5 TWh | 1,577 |
| #16 | Bonneville Power Administration | 80.5 TWh | 163 |