Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| East Line Solar | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 251.3 GWh | Nov 2020 | Feb 2026 | Solar |
| Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 791.1 GWh | May 2024 | Feb 2026 | Solar |
| Estrella Mountain PV | Tesla Inc. | Avondale, AZ | Arizona Public Service Company (AZPS) | 3.8 GWh | May 2019 | Dec 2024 | Solar |
Browse Power Plants By Arizona Counties
Figures are based on February 2026 generation numbers.| County | State Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 88 | 78.1 TWh |
| Mohave County, AZ | # 2 | 16 | 9.3 TWh |
| Apache County, AZ | # 3 | 4 | 8.5 TWh |
| Pinal County, AZ | # 4 | 26 | 6.7 TWh |
| Coconino County, AZ | # 5 | 12 | 4.4 TWh |
| Pima County, AZ | # 6 | 39 | 2.9 TWh |
| Yuma County, AZ | # 7 | 17 | 2.7 TWh |
| County | State Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Cochise County, AZ | # 8 | 11 | 2.6 TWh |
| Navajo County, AZ | # 9 | 8 | 1.8 TWh |
| La Paz County, AZ | # 10 | 13 | 106.9 GWh |
| Yavapai County, AZ | # 11 | 7 | 97.8 GWh |
| Gila County, AZ | # 12 | 2 | 50.2 GWh |
| Santa Cruz County, AZ | # 13 | 2 | 4.8 GWh |