Western Area Power Administration - Desert Southwest Region
Balancing Authority Summary Information
Western Area Power Administration - Desert Southwest Region is ranked #39 out of 64 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | Western Area Power Administration - Desert Southwest Region |
|---|---|
| States | Arizona California Nevada |
| Last Update | Oct 2026 |
| Annual Generation | 10.6 TWh |
| Power Plants | 36 |
| Utilities | 29 |
| Ranked #39 out of 64 in terms of net annual generation | |
| Ranked #36 out of 53 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 47.8% Water | 36.6% Wind | 9.2% Solar | 1.2% |
Map of Western Area Power Administration - Desert Southwest Region
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Daily Net Generation for Western Area Power Administration - Desert Southwest Region for the past 3 Years
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| Apache Station | Arizona Electric Pwr Coop Inc | Cochise, AZ | 2 TWh | Jan 1963 | Jun 2026 | Natural Gas : 89.5% Subbituminous Coal : 10.5% |
| Apache Solar I | Arizona Electric Pwr Coop Inc | Cochise, AZ | 55 GWh | Sep 2017 | Dec 2025 | Solar |
| Sundance | Arizona Public Service Co | Casa Grande, AZ | 181 GWh | Apr 2002 | Jul 2026 | Natural Gas |
| CFF Rice Mill Solar Plant | California Family Foods | Arbuckle, CA | 145 MWh | Nov 2025 | Dec 2025 | Solar |
| Roadrunner Solar and BESS | Clenera LLC | Cochise, AZ | 349 GWh | Nov 2025 | Jul 2026 | Solar |
| Headgate Rock | Colorado River Indian Irr Proj | Parker, AZ | 41 GWh | Feb 1993 | Dec 2025 | Water |
| Sulphur Springs | MN8 Energy LLC | Cochise, AZ | 48 GWh | Nov 2016 | Dec 2025 | Solar |
| Mohave County Wind Farm | Mohave County Wind Farm | Willow Beach, AZ | 942 GWh | Nov 2020 | Jul 2026 | Wind |
| Mohave Electric at Fort Mohave | Mohave Electric Cooperative, Inc. | Fort Mohave, AZ | 8 GWh | Mar 2015 | Dec 2025 | Solar |
| Mohave Electric Cooperative at Joy Lane | Mohave Electric Cooperative, Inc. | Fort Mohave, AZ | 17 GWh | Sep 2016 | Dec 2025 | Solar |
| Mohave Energy - Hybrid | Mohave Energy | Fort Mohave, AZ | 44 GWh | Aug 2023 | Jul 2026 | Solar : 99.7% |
| Kayenta Solar Project | NGI-Kayenta Solar Lessor I, LLC | Kayenta, AZ | 120 GWh | Apr 2017 | Jul 2026 | Solar |
| OE_AZ1 | Onward Energy | Salome, AZ | 78 GWh | Nov 2019 | Jul 2026 | Solar |
| South Point Energy Center | South Point Energy Center LLC | Mohave Valley, AZ | 3 TWh | Feb 2001 | Jul 2026 | Natural Gas |
| Townsite Solar Project Hybrid | Townsite Solar, LLC | Boulder City, NV | 463 GWh | Nov 2021 | Jul 2026 | Solar |
| Davis Dam | U S Bureau of Reclamation | Kingman, AZ | 906 GWh | Dec 1950 | Dec 2025 | Water |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | 1 TWh | Aug 1936 | Jul 2026 | Water |
| Parker Dam | U S Bureau of Reclamation | Parker, CA | 361 GWh | Nov 1942 | Jul 2026 | Water |
| Hoover Dam (NV) | U S Bureau of Reclamation | Boulder City, NV | 1 TWh | Aug 1936 | Jul 2026 | Water |
| Glen Canyon Dam | U S Bureau of Reclamation | Page, AZ | 2 TWh | Aug 1964 | Jul 2026 | Water |
| University of Arizona - Biosphere 2 | University of Arizona - Biosphere 2 | Oracle, AZ | 61 MWh | Oct 1990 | Dec 2025 | Natural Gas : 68.4% Distillate Fuel Oil : 31.6% |
| Siphon Drop Power Plant | Yuma County Water User's Association | Winterhaven, CA | 12 GWh | Aug 1987 | Dec 2025 | Water |
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 |
| #7 | California Independent System Operator | 168.7 TWh | 2,170 |
| #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 |
| #32 | Public Service Company of New Mexico | 16.9 TWh | 137 |
| #51 | PUD No. 1 of Douglas County | 4.4 TWh | 5 |
| #19 | Salt River Project Agricultural Improvement and Power District | 60.5 TWh | 51 |
| #37 | Tucson Electric Power | 14.0 TWh | 56 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #34 | Western Area Power Administration - Rocky Mountain Region | 14.8 TWh | 206 |
| #35 | Seminole Electric Cooperative | 14.2 TWh | 5 |
| #36 | Idaho Power Company | 14.1 TWh | 169 |
| #37 | Tucson Electric Power | 14.0 TWh | 56 |
| #38 | Balancing Authority of Northern California | 13.9 TWh | 91 |
| #39 | Western Area Power Administration - Desert Southwest Region | 10.6 TWh | 36 |
| #40 | Public Utility District No. 2 of Grant County, Washington | 10.4 TWh | 5 |
| #41 | PacifiCorp West | 10.0 TWh | 142 |
| #42 | Public Utility District No. 1 of Chelan County | 9.4 TWh | 4 |
| #43 | JEA | 9.4 TWh | 24 |