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 2024 |
| Annual Generation | 192.0 TWh |
| Power Plants | 1,943 |
| Utilities | 893 |
| 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 | 45.4% Solar | 23.1% Water | 12% Wind | 10.1% Nuclear | 9.1% |
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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 |
|---|---|---|---|---|---|---|
| Phoenix | Pacific Gas & Electric Co. | Sonora, CA | 7 GWh | Jan 1940 | Dec 2023 | Water |
| Angels | Utica Water & Power Authority | Angels Camp, CA | 7 GWh | Dec 1939 | Dec 2023 | Water |
| Humboldt Sawmill Company | Mendocino Forest Products | Scotia, CA | 121 GWh | Dec 1937 | Sep 2024 | Wood/Wood Waste Solids : 99.7% |
| Salt Springs | Pacific Gas & Electric Co. | Pioneer, CA | 201 GWh | May 1931 | Dec 2023 | Water |
| Tiger Creek | Pacific Gas & Electric Co. | Pioneer, CA | 246 GWh | May 1931 | Dec 2023 | Water |
| Merced Falls | Merced Irrigation District | Snelling, CA | 13 GWh | Jun 1930 | Oct 2023 | Water |
| Pardee | East Bay Municipal Util Dist | Valley Springs, CA | 182 GWh | Jun 1930 | Dec 2023 | Water |
| Kaweah 2 | Southern California Edison Co | Three Rivers, CA | 693 MWh | Aug 1929 | Dec 2023 | Water |
| Spaulding 3 | Pacific Gas & Electric Co. | Emigrant Gap, CA | 18 GWh | Jan 1929 | Dec 2023 | Water |
| Big Creek 2A | Southern California Edison Co | Auberry, CA | 537 GWh | Jul 1928 | Sep 2024 | Water |
| Spaulding 2 | Pacific Gas & Electric Co. | Emigrant Gap, CA | 7 GWh | Jun 1928 | Mar 2023 | Water |
| Spaulding 1 | Pacific Gas & Electric Co. | Emigrant Gap, CA | 37 GWh | Apr 1928 | Dec 2023 | Water |
| Bucks Creek | Pacific Gas & Electric Co. | Storrie, CA | 85 GWh | Feb 1928 | Sep 2023 | Water |
| Balch 1 | Pacific Gas & Electric Co. | Balch Camp, CA | 184 GWh | Jan 1927 | Dec 2023 | Water |
| Pit 3 | Pacific Gas & Electric Co. | Burney, CA | 345 GWh | Jun 1925 | Dec 2023 | Water |
| Poole | Southern California Edison Co | Lee Vining, CA | 36 GWh | Apr 1924 | Dec 2023 | Water |
| El Dorado | El Dorado Irrigation District | Pollock Pines, CA | 101 GWh | Dec 1923 | Dec 2023 | Water |
| Big Creek 3 | Southern California Edison Co | Auberry, CA | 746 GWh | Aug 1923 | Sep 2024 | Water |
| Pit 1 | Pacific Gas & Electric Co. | Burney, CA | 195 GWh | Aug 1922 | Dec 2023 | Water |
| Hat Creek 2 | Pacific Gas & Electric Co. | Burney, CA | 7 GWh | Aug 1921 | Dec 2023 | Water |
| Spring Gap | Pacific Gas & Electric Co. | Long Barn, CA | 31 GWh | Aug 1921 | Dec 2023 | Water |
| Hat Creek 1 | Pacific Gas & Electric Co. | Burney, CA | 23 GWh | Jul 1921 | Dec 2023 | Water |
| Big Creek 8 | Southern California Edison Co | Auberry, CA | 153 GWh | Jul 1921 | Dec 2023 | Water |
| Caribou 1 | Pacific Gas & Electric Co. | Belden, CA | 198 GWh | May 1921 | Dec 2023 | Water |
| Kern River 3 | Southern California Edison Co | Kernville, CA | 185 GWh | Feb 1921 | Dec 2023 | Water |
| Bishop Creek 5 | Southern California Edison Co | Bishop, CA | 14 GWh | May 1919 | Dec 2023 | Water |
| Fontana | Southern California Edison Co | Rialto, CA | 6 GWh | Nov 1917 | Dec 2023 | Water |
| San Joaquin 2 | Pacific Gas & Electric Co. | North Fork, CA | 2 GWh | Aug 1917 | Feb 2023 | Water |
| Wise | Pacific Gas & Electric Co. | Auburn, CA | 65 GWh | Feb 1917 | Dec 2023 | Water |
| Halsey | Pacific Gas & Electric Co. | Auburn, CA | 7 GWh | Nov 1916 | Dec 2022 | Water |
| Rush Creek | Southern California Edison Co | June lake, CA | 40 GWh | Sep 1916 | Dec 2023 | Water |
| Big Creek 2 | Southern California Edison Co | Auberry, CA | 296 GWh | Nov 1913 | Dec 2023 | Water |
| Drum 1 | Pacific Gas & Electric Co. | Alta, CA | 88 GWh | Oct 1913 | Dec 2023 | Water |
| Big Creek 1 | Southern California Edison Co | Big Creek, CA | 394 GWh | Oct 1913 | Dec 2023 | Water |
| Bishop Creek 3 | Southern California Edison Co | Bishop, CA | 26 GWh | May 1913 | Dec 2023 | Water |
| Bishop Creek 6 | Southern California Edison Co | Bishop, CA | 10 GWh | Feb 1913 | Dec 2023 | Water |
| Lundy | Southern California Edison Co | Lee Vining, CA | 11 GWh | Nov 1911 | Dec 2023 | Water |
| A G Wishon | Pacific Gas & Electric Co. | North Fork, CA | 16 GWh | Aug 1910 | Dec 2023 | Water |
| Bishop Creek 2 | Southern California Edison Co | Bishop, CA | 36 GWh | Oct 1908 | Dec 2023 | Water |
| Deer Creek PH | Pacific Gas & Electric Co. | Nevada City, CA | 12 GWh | Apr 1908 | Nov 2023 | Water |
| Kern River 1 | Southern California Edison Co | Bakersfield, CA | 167 GWh | Apr 1907 | Dec 2023 | Water |
| Cow Creek | Pacific Gas & Electric Co. | Millville, CA | 6 GWh | Dec 1906 | Mar 2023 | Water |
| Bishop Creek 4 | Southern California Edison Co | Bishop, CA | 50 GWh | Aug 1905 | Dec 2023 | Water |
| Mill Creek 3 | Southern California Edison Co | Mill Creek, CA | 11 GWh | Feb 1903 | Dec 2023 | Water |
| Alta Powerhouse | Pacific Gas & Electric Co. | Alta, CA | 3 GWh | Oct 1902 | Dec 2023 | Water |
| Santa Ana 1 | Southern California Edison Co | Highlands, CA | 6 MWh | Dec 1898 | Aug 2023 | Water |
| OES Biogas Power | Organic Energy Solutions, Inc. | San Bernardino, CA | 348 MWh | - | Dec 2023 | Other Biomass Gas |
| Chaparral Springs | Leeward Asset Management, LLC | Rosamond, CA | 440 GWh | - | Sep 2024 | Solar |
| Scarlet Solar (CA) | EDP Renewables North America LLC | Fresno, CA | 178 GWh | - | Sep 2024 | Solar |
| Victory Pass | Victory Pass I, LLC | Desert Center, CA | 353 GWh | - | Sep 2024 | Solar |
| Arica Solar | Arica Solar, LLC | Desert Center, CA | 461 GWh | - | Sep 2024 | Solar |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | 118 GWh | - | Sep 2024 | Solar |
| Proxima | Proxima Solar, LLC | Crows Landing, CA | 210 GWh | - | Sep 2024 | Solar |
| Raceway Solar & Storage | AES Clean Energy | Lancaster, CA | 192 GWh | - | Sep 2024 | Solar |
| Lockhart ESS, LLC | Terra-Gen Operating Co-Solar | Hinkley, CA | 4 GWh | - | Sep 2024 | Electricity used for energy storage |
| Paulsell | Crow Creek Solar, LLC | Crows Landing, CA | 18 GWh | - | Sep 2024 | Solar |
| Mesa Wind Repower | Mesa Wind Repower | Whitewater, CA | 38 GWh | - | Sep 2024 | Wind |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #28 | Arizona Public Service Company | 22.0 TWh | 75 |
| #53 | Arlington Valley, LLC | 3.6 TWh | 1 |
| #36 | Balancing Authority of Northern California | 15.2 TWh | 83 |
| #48 | Imperial Irrigation District | 5.7 TWh | 65 |
| #33 | Los Angeles Department of Water and Power | 16.0 TWh | 120 |
| #22 | Nevada Power Company | 37.8 TWh | 136 |
| #56 | New Harquahala Generating Company, LLC | 2.9 TWh | 1 |
| #18 | Salt River Project Agricultural Improvement and Power District | 58.9 TWh | 45 |
| #57 | Turlock Irrigation District | 2.3 TWh | 11 |
| #41 | Western Area Power Administration - Desert Southwest Region | 8.5 TWh | 30 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #3 | Electric Reliability Council of Texas, Inc. | 462.2 TWh | 1,139 |
| #5 | Southwest Power Pool | 290.4 TWh | 762 |
| #6 | Southern Company Services, Inc. - Trans | 248.1 TWh | 393 |
| #7 | California Independent System Operator | 192.0 TWh | 1,943 |
| #9 | Tennessee Valley Authority | 157.6 TWh | 170 |
| #10 | Florida Power & Light Co. | 147.6 TWh | 159 |
| #12 | New York Independent System Operator | 129.8 TWh | 1,100 |
| #13 | Duke Energy Carolinas | 110.9 TWh | 556 |
| #15 | ISO New England | 103.1 TWh | 1,487 |
| #16 | Bonneville Power Administration | 80.0 TWh | 158 |