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% |
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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 |
|---|---|---|---|---|---|---|
| SCE-Snowline-Duncan Road (South) | SunEdison LLC | Phelan, CA | 2 GWh | Sep 2014 | Dec 2025 | Solar |
| White River Solar 2 | RWE Clean Energy | Alpaugh, CA | 49 GWh | Aug 2014 | Dec 2025 | Solar |
| Broadway 2 - UC Riverside | MN8 Energy LLC | Riverside, CA | 4 GWh | Aug 2014 | Dec 2025 | Solar |
| AV Solar Ranch One | AV Solar Ranch 1 LLC | Lancaster, CA | 555 GWh | Jul 2014 | Jul 2026 | Solar |
| Sunshine Gas Producers | Sunshine Gas Producers LLC | Sylmar, CA | 132 GWh | Jul 2014 | Jul 2026 | Landfill Gas |
| Hesperia | SunEdison LLC | Hesperia, CA | 3 GWh | Jul 2014 | Dec 2025 | Solar |
| California PV Energy at ISD WWTP | California PV Energy LLC | Oakley, CA | 2 GWh | Jul 2014 | Dec 2025 | Solar |
| Hanford 1 and 2 | Arevon Energy, Inc. | Hanford, CA | 5 GWh | Jul 2014 | Dec 2025 | Solar |
| Anaheim Solar Energy Plant | Anaheim Public Utilities | Anaheim, CA | 2 GWh | Jul 2014 | Dec 2025 | Solar |
| Maxim | Bloom Energy | San Jose, CA | 7 GWh | Jul 2014 | Dec 2025 | Natural Gas |
| Summer Solar D2 | AES Distributed Energy | Lancaster, CA | 2 GWh | Jun 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 |
| Golden Acorn Casino | Foundation HA Energy Generation, LLC | Campo, CA | 4 GWh | Jun 2014 | Jul 2026 | Wind |
| DSH (CA) - Coalinga State Hospital | Team-Solar, Inc. | Coalinga, CA | 4 GWh | Jun 2014 | Dec 2025 | Solar |
| CDCR (CA) - Pleasant Valley State Prison | Team-Solar, Inc. | Coalinga, CA | 3 GWh | Jun 2014 | Dec 2025 | Solar |
| Orion Solar II | Orion Solar II, LLC | Arvin, CA | 16 GWh | May 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 |
| Cloverdale Solar I | Altus Power America Management, LLC | Cloverdale, CA | 1 GWh | May 2014 | 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 |
| Kettering Solar 1 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Nov 2025 | Solar |
| Kettering Solar 2 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Nov 2025 | Solar |
| Enerparc CA1 LLC | CleanCapital Holdings | Hollister, CA | 3 GWh | May 2014 | Dec 2025 | Solar |
| San Francisco Bay Coffee | JBR, Inc. | Lincoln, CA | 1 GWh | May 2014 | Dec 2025 | Solar |
| Adobe Solar | Southern Power Co | Arvin, CA | 36 GWh | Apr 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 |
| 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 |
| Ameresco San Joaquin | Ameresco San Joaquin, LLC | Linden, CA | 25 GWh | Mar 2014 | Dec 2025 | Landfill Gas |
| Vintner Solar | Ecos Energy LLC | Templeton, CA | 4 GWh | Mar 2014 | Dec 2025 | Solar |
| Kettleman Solar Project | Ecos Energy LLC | Lodi, CA | 3 GWh | Mar 2014 | Dec 2025 | Solar |
| Orion Solar I | Orion Solar I LLC | Arvin, CA | 27 GWh | Mar 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 |
| Solar Star 1 | Solar Star California XIX, LLC | Rosamond, CA | 880 GWh | Feb 2014 | Jul 2026 | Solar |
| Solar Star 2 | Solar Star California XX, LLC | Rosamond, CA | 764 GWh | Feb 2014 | Jul 2026 | Solar |
| Shasta Solar Farm | Ignite Solar Holdings LLC | Fall River Mills, CA | 6 GWh | Feb 2014 | Dec 2025 | Solar |
| SCC - San Jose | Bloom Energy | San Jose, CA | 8 GWh | Feb 2014 | Dec 2025 | Natural Gas |
| Exeter Solar | Altus Power America Management, LLC | Exeter, CA | 6 GWh | Jan 2014 | Dec 2025 | Solar |
| Ameresco Forward | Ameresco Forward, LLC | Manteca, CA | 32 GWh | Jan 2014 | Dec 2025 | Landfill Gas |
| Bear Creek Solar (Lodi) | Ecos Energy LLC | Lodi, CA | 4 GWh | Jan 2014 | Nov 2025 | Solar |
| Westlands Solar PV Farm | Boralex US Operations LLC | Huron, CA | 39 GWh | Jan 2014 | Dec 2025 | Solar |
| 2081 Terzian Solar Project | Solarenewal LLC | Reedley, CA | 1 GWh | Jan 2014 | Dec 2025 | Solar |
| Las Virgenes Municipal Water District | Tesla Inc. | Calabasas, CA | 1 GWh | Jan 2014 | Dec 2025 | Solar |
| Escondido Energy Center | Wellhead Services, Inc | Escondido, CA | 3 GWh | Dec 2013 | Dec 2025 | Natural Gas |
| Ivanhoe Solar | Altus Power America Management, LLC | Visalia, CA | 5 GWh | Dec 2013 | Dec 2025 | Solar |
| Lindsay Solar | Altus Power America Management, LLC | Lindsay, CA | 7 GWh | Dec 2013 | Dec 2025 | Solar |
| Porterville Solar | Altus Power America Management, LLC | Porterville, CA | 6 GWh | Dec 2013 | Dec 2025 | Solar |
| Alta Wind X | Alta Wind X, LLC | Mojave, CA | 361 GWh | Dec 2013 | Dec 2025 | Wind |
| Alta Wind XI | Alta Wind XI, LLC | Mojave, CA | 251 GWh | Dec 2013 | Dec 2025 | Wind |
| Rutan | CD US Solar MT 2 LLC | Palmdale, CA | 3 GWh | Dec 2013 | Dec 2025 | Solar |
| RE Rosamond One LLC | MN8 Energy LLC | Rosamond, CA | 51 GWh | Dec 2013 | Dec 2025 | Solar |
| RE Rosamond Two LLC | MN8 Energy LLC | Rosamond, CA | 49 GWh | Dec 2013 | Dec 2025 | Solar |
| RE Columbia 3 LLC | MN8 Energy LLC | Mojave, CA | 23 GWh | Dec 2013 | Dec 2025 | Solar |
| Cascade Solar | Cascade Solar LLC | Joshua Tree, CA | 51 GWh | Dec 2013 | Dec 2025 | Solar |
| Tulare 1 and 2 | Arevon Energy, Inc. | Tulare, CA | 5 GWh | Dec 2013 | Dec 2025 | Solar |
| Pixar - Emeryville | Bloom Energy | Emeryville, CA | 7 GWh | Dec 2013 | Dec 2025 | Natural Gas |
| Corcoran | Terraform Arcadia | Corcoran, CA | 2 GWh | Dec 2013 | Dec 2025 | Solar |
| Ivanpah 2 | NRG Energy Services | Nipton, CA | 234 GWh | Nov 2013 | Jul 2026 | Solar : 98.0% Natural Gas : 2.0% |
| Ivanpah 1 | NRG Energy Services | Nipton, CA | 192 GWh | Nov 2013 | Jul 2026 | Solar : 96.3% Natural Gas : 3.7% |
| Ivanpah 3 | NRG Energy Services | Nipton, CA | 185 GWh | Nov 2013 | Jul 2026 | Solar : 97.7% Natural Gas : 2.3% |
| RE Victor Phelan Solar One LLC | MN8 Energy LLC | Adelanto, CA | 45 GWh | Nov 2013 | Dec 2025 | Solar |
| Kingsburg Solar | Altus Power America Management, LLC | Kingsburg, CA | 6 GWh | Nov 2013 | Dec 2025 | Solar |
| RE Rio Grande Solar LLC | MN8 Energy LLC | Mojave, CA | 10 GWh | Nov 2013 | Dec 2025 | Solar |
| Desert Hot Springs Solar | RWE Clean Energy | Desert Hot Springs, CA | 3 GWh | Nov 2013 | Dec 2025 | Solar |
| Sonora 1 | CleanCapital Holdings | Jamestown, CA | 858 MWh | Nov 2013 | Dec 2025 | Solar |
| Oltmans SCE at Champagne | California PV Energy LLC | Ontario, CA | 2 GWh | Nov 2013 | Dec 2025 | Solar |
| Oltmans SCE at Jurupa | California PV Energy LLC | Ontario, CA | 2 GWh | Nov 2013 | Dec 2025 | Solar |
| Industry Solar Power Generation Station | AES Distributed Energy | Adelanto, CA | 4 GWh | Nov 2013 | Dec 2025 | Solar |
| Navajo Solar Power Generation Station 1 | AES Distributed Energy | Apple Valley, CA | 4 GWh | Nov 2013 | Dec 2025 | Solar |
| Powhatan Solar Power Generation Station | AES Distributed Energy | Apple Valley, CA | 4 GWh | Nov 2013 | Dec 2025 | Solar |
| Otoe Solar Power Generation Station 1 LL | AES Distributed Energy | Apple Valley, CA | 3 GWh | Nov 2013 | Dec 2025 | Solar |
| ABEC Bidart-Old River LLC | ABEC Bidart-Old River LLC | Bakersfield, CA | 16 GWh | Nov 2013 | Dec 2025 | Other Biomass Gas |
| 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 |
| E&B Resources | Terraform Arcadia | Bakersfield, CA | 2 GWh | Nov 2013 | Dec 2025 | Solar |
| CDCR (CA) - Solano State Prison | SunE Solano SP Owner, LLC | Vacaville, CA | 2 GWh | Nov 2013 | Dec 2025 | Solar |
| CDCR (CA) - Corcoran State Prison | SunE Corcoran SP Owner, LLC | Corcoran, CA | 7 GWh | Nov 2013 | Dec 2025 | Solar |
| CDCR (CA) - Wasco State Prison | SunE Wasco SP Owner, LLC | Wasco, CA | 3 GWh | Nov 2013 | Dec 2025 | Solar |
| Imperial Valley Solar, LLC | Imperial Valley Solar, LLC | Calexico, CA | 442 GWh | Oct 2013 | Dec 2025 | Solar |
| Genesis Solar Energy Project | Genesis Solar LLC | Blythe, CA | 589 GWh | Oct 2013 | Jul 2026 | Solar |
| Imperial Solar Energy Center South | CSOLAR IV South LLC | Calexico, CA | 251 GWh | Oct 2013 | Dec 2025 | Solar |
| Desert Sunlight 300, LLC | NextEra Energy Desert Sunlight 300, LLC | Desert Center, CA | 620 GWh | Oct 2013 | Dec 2025 | Solar |
| Desert Sunlight 250, LLC | NextEra Energy Desert Sunlight 250, LLC | Desert Center, CA | 517 GWh | Oct 2013 | Dec 2025 | Solar |
| Ma | CD US Solar MT 2 LLC | Lancaster, CA | 2 GWh | Sep 2013 | Dec 2025 | Solar |
| Horn | CD US Solar MT 2 LLC | Lancaster, CA | 4 GWh | Sep 2013 | Dec 2025 | Solar |
| Campo Verde Solar | Southern Power Co | El Centro, CA | 293 GWh | Sep 2013 | Dec 2025 | Solar |
| University of California Santa Cruz | University of California Santa Cruz | Santa Cruz, CA | 34 GWh | Aug 2013 | Dec 2025 | Natural Gas : 91.4% Solar : 8.6% |
| Arrache 8083 | CD US Solar MT 2 LLC | Palmdale, CA | 3 GWh | Aug 2013 | Dec 2025 | Solar |
| CSD 2 - Heritage High | CleanCapital Holdings | Brentwood, CA | 2 GWh | Aug 2013 | Dec 2025 | Solar |
| Kellogg's - San Jose | Bloom Energy | San Jose, CA | 9 GWh | Aug 2013 | Dec 2025 | Natural Gas |
| Russell City Energy Center | Russell City Energy Company LLC | Hayward, CA | 2 TWh | Jul 2013 | Jul 2026 | Natural Gas |
| Guernsey Solar Station | Pacific Gas & Electric Co. | Hanford, CA | 22 GWh | Jul 2013 | 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 |