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 |
|---|---|---|---|---|---|---|
| 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 |
| CID Solar, LLC | Onward Energy | Corcoran, CA | 45 GWh | Nov 2014 | Dec 2024 | Solar |
| Lone Valley Solar Park II LLC | Lone Valley Solar Park II LLC | Lucerne Valley, CA | 50 GWh | Nov 2014 | 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 |
| 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 |
| SCV Water - Gladbach Water Treatment Plant Phases I and II | SCV Water | Santa Clara, CA | 5 GWh | Nov 2014 | Dec 2024 | Solar |
| Regulus Solar Project | Regulus Solar, LLC | Bakersfield, CA | 154 GWh | Oct 2014 | Dec 2024 | Solar |
| Desert Green Solar Farm LLC | Invenergy Services LLC | Boulevard, CA | 10 GWh | Oct 2014 | Dec 2024 | Solar |
| Solar Gen 2 Solar Facility | Southern Power Co | Calipatria, CA | 364 GWh | Oct 2014 | Dec 2024 | Solar |
| Western Antelope Blue Sky Ranch A | AES Distributed Energy | Lancaster, CA | 45 GWh | Oct 2014 | Dec 2024 | Solar |
| Lancaster Dry Farm Ranch B | AES Distributed Energy | Lancaster, CA | 8 GWh | Oct 2014 | Dec 2024 | Solar |
| Expressway Solar C2 | AES Distributed Energy | Victorville, CA | 3 GWh | Oct 2014 | 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 |
| 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 |
| 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 |
| Anheuser-Busch #2 | Foundation HA Energy Generation, LLC | Fairfield, CA | 4 GWh | Oct 2014 | Sep 2025 | Wind |
| SCE-Snowline-White Road (South) | SunEdison LLC | Phelan, CA | 3 GWh | Oct 2014 | Dec 2024 | Solar |
| SCE-Snowline-White Road (North) | SunEdison LLC | Phelan, CA | 3 GWh | Oct 2014 | Nov 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 |
| TA-Acacia, LLC | Onward Energy | Lancaster, CA | 52 GWh | Oct 2014 | 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 |
| White River Solar 2 | Consolidated Edison Development Inc. | Alpaugh, CA | 48 GWh | Aug 2014 | Dec 2024 | Solar |
| Broadway 2 - UC Riverside | MN8 Energy LLC | Riverside, CA | 2 GWh | Aug 2014 | Dec 2024 | Solar |
| AV Solar Ranch One | AV Solar Ranch 1 LLC | Lancaster, CA | 570 GWh | Jul 2014 | Sep 2025 | Solar |
| Sunshine Gas Producers | Sunshine Gas Producers LLC | Sylmar, CA | 121 GWh | Jul 2014 | Sep 2025 | Landfill Gas |
| Hesperia | SunEdison LLC | Hesperia, CA | 3 GWh | Jul 2014 | Dec 2024 | Solar |
| California PV Energy at ISD WWTP | California PV Energy LLC | Oakley, CA | 2 GWh | Jul 2014 | Dec 2024 | Solar |
| Hanford 1 and 2 | Arevon Energy, Inc. | Hanford, CA | 5 GWh | Jul 2014 | Dec 2024 | Solar |
| Anaheim Solar Energy Plant | Anaheim Public Utilities | Anaheim, CA | 3 GWh | Jul 2014 | Dec 2024 | Solar |
| Maxim | Bloom Energy | San Jose, CA | 6 GWh | Jul 2014 | Dec 2024 | Natural Gas |
| Summer Solar D2 | AES Distributed Energy | Lancaster, CA | 2 GWh | Jun 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 |
| Golden Acorn Casino | Foundation HA Energy Generation, LLC | Campo, CA | 4 GWh | Jun 2014 | Sep 2025 | Wind |
| DSH (CA) - Coalinga State Hospital | Team-Solar, Inc. | Coalinga, CA | 5 GWh | Jun 2014 | Dec 2024 | Solar |
| CDCR (CA) - Pleasant Valley State Prison | Team-Solar, Inc. | Coalinga, CA | 3 GWh | Jun 2014 | Dec 2024 | Solar |
| Yahoo! - HQ | Bloom Energy | Sunnyvale, CA | 3 GWh | Jun 2014 | Jul 2024 | Natural Gas |
| Orion Solar II | Orion Solar II, LLC | Arvin, CA | 19 GWh | May 2014 | Dec 2024 | Solar |
| Summer Solar A2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2024 | Solar |
| Summer Solar B2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2024 | Solar |
| Summer Solar C2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2024 | Solar |
| Cloverdale Solar I | Altus Power America Management, LLC | Cloverdale, CA | 2 GWh | May 2014 | 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 |
| Enerparc CA1 LLC | Enerparc CA 1, LLC | Hollister, CA | 2 GWh | May 2014 | Dec 2023 | Solar |
| Starbucks - Evolution Fresh | Bloom Energy | Rancho Cucamonga, CA | 4 GWh | May 2014 | Jun 2024 | Natural Gas |
| Adobe Solar | Southern Power Co | Arvin, CA | 40 GWh | Apr 2014 | Dec 2024 | Solar |
| Rodeo Solar C2 | AES Distributed Energy | Lancaster, CA | 3 GWh | Apr 2014 | Dec 2024 | Solar |
| Rodeo Solar D2 | AES Distributed Energy | Lancaster, CA | 3 GWh | Apr 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 |
| Ameresco San Joaquin | Ameresco San Joaquin, LLC | Linden, CA | 31 GWh | Mar 2014 | Dec 2024 | Landfill Gas |
| Vintner Solar | Ecos Energy LLC | Templeton, CA | 4 GWh | Mar 2014 | Dec 2024 | Solar |
| Kettleman Solar Project | Ecos Energy LLC | Lodi, CA | 3 GWh | Mar 2014 | Dec 2024 | Solar |
| Orion Solar I | Orion Solar I LLC | Arvin, CA | 28 GWh | Mar 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 |
| Solar Star 1 | Solar Star California XIX, LLC | Rosamond, CA | 898 GWh | Feb 2014 | Sep 2025 | Solar |
| Solar Star 2 | Solar Star California XX, LLC | Rosamond, CA | 714 GWh | Feb 2014 | Sep 2025 | Solar |
| Shasta Solar Farm | Ignite Solar Holdings LLC | Fall River Mills, CA | 6 GWh | Feb 2014 | Dec 2024 | Solar |
| SCC - San Jose | Bloom Energy | San Jose, CA | 8 GWh | Feb 2014 | Dec 2024 | Natural Gas |
| Exeter Solar | Altus Power America Management, LLC | Exeter, CA | 5 GWh | Jan 2014 | Dec 2024 | Solar |
| Ameresco Forward | Ameresco Forward, LLC | Manteca, CA | 32 GWh | Jan 2014 | Dec 2024 | Landfill Gas |
| Bear Creek Solar (CA) | Ecos Energy LLC | Lodi, CA | 4 GWh | Jan 2014 | Dec 2024 | Solar |
| Westlands Solar PV Farm | Boralex US Operations LLC | Huron, CA | 34 GWh | Jan 2014 | Dec 2024 | Solar |
| 2081 Terzian Solar Project | Solarenewal LLC | Reedley, CA | 2 GWh | Jan 2014 | Dec 2024 | Solar |
| Las Virgenes Municipal Water District | Tesla Inc. | Calabasas, CA | 2 GWh | Jan 2014 | Dec 2024 | Solar |
| Escondido Energy Center | Wellhead Services, Inc | Escondido, CA | 9 GWh | Dec 2013 | Dec 2024 | Natural Gas |
| Ivanhoe Solar | Altus Power America Management, LLC | Visalia, CA | 6 GWh | Dec 2013 | Dec 2024 | Solar |
| Lindsay Solar | Altus Power America Management, LLC | Lindsay, CA | 6 GWh | Dec 2013 | Dec 2024 | Solar |
| Porterville Solar | Altus Power America Management, LLC | Porterville, CA | 6 GWh | Dec 2013 | Dec 2024 | Solar |
| Alta Wind X | Alta Wind X, LLC | Mojave, CA | 379 GWh | Dec 2013 | Dec 2024 | Wind |
| Alta Wind XI | Alta Wind XI, LLC | Mojave, CA | 269 GWh | Dec 2013 | Dec 2024 | Wind |
| Rutan | CD US Solar MT 2 LLC | Palmdale, CA | 4 GWh | Dec 2013 | Dec 2024 | Solar |
| RE Rosamond One LLC | MN8 Energy LLC | Rosamond, CA | 52 GWh | Dec 2013 | Dec 2024 | Solar |
| RE Rosamond Two LLC | MN8 Energy LLC | Rosamond, CA | 48 GWh | Dec 2013 | Dec 2024 | Solar |
| RE Columbia 3 LLC | MN8 Energy LLC | Mojave, CA | 24 GWh | Dec 2013 | Dec 2024 | Solar |
| Cascade Solar | Cascade Solar LLC | Joshua Tree, CA | 51 GWh | Dec 2013 | Dec 2024 | Solar |
| Tulare 1 and 2 | Arevon Energy, Inc. | Tulare, CA | 5 GWh | Dec 2013 | Dec 2024 | Solar |
| Pixar - Emeryville | Bloom Energy | Emeryville, CA | 8 GWh | Dec 2013 | Dec 2024 | Natural Gas |
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 |