Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| West Phoenix | Arizona Public Service Co | Phoenix, AZ | Arizona Public Service Company (AZPS) | 3.5 TWh | Apr 1972 | May 2026 | Natural Gas |
| White Wing Solar | Leeward Asset Management, LLC | Yuma, AZ | California Independent System Operator (CISO) | 455.8 GWh | Sep 2024 | May 2026 | Solar |
| Wilmot Energy Center LLC | Wilmot Energy Center LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 270.0 GWh | Mar 2021 | May 2026 | Solar |
| West Line Solar, LLC | Foster Clean Power A LLC | City of Eloy, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 238.7 GWh | Nov 2022 | May 2026 | Solar |
| West Camp Wind Farm | AES Clean Energy | Heber, AZ | Arizona Public Service Company (AZPS) | 135.4 GWh | - | May 2026 | Wind |
| Wilmot Energy Center II | Wilmot Energy Center II, LLC | Sahuarita, AZ | Tucson Electric Power (TEPC) | 52.4 GWh | - | May 2026 | Solar |
| Waddell | Central Arizona Water Conservation Dist | Peoria, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.6 GWh | Mar 1993 | May 2026 | Water |
Browse Power Plants By Arizona Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 94 | 78.3 TWh |
| Mohave County, AZ | # 2 | 17 | 10.0 TWh |
| Apache County, AZ | # 3 | 4 | 8.0 TWh |
| Pinal County, AZ | # 4 | 26 | 6.4 TWh |
| Coconino County, AZ | # 5 | 12 | 4.2 TWh |
| Pima County, AZ | # 6 | 42 | 3.1 TWh |
| Cochise County, AZ | # 7 | 11 | 2.8 TWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Yuma County, AZ | # 8 | 17 | 2.8 TWh |
| Navajo County, AZ | # 9 | 11 | 2.0 TWh |
| La Paz County, AZ | # 10 | 17 | 100.7 GWh |
| Yavapai County, AZ | # 11 | 7 | 92.2 GWh |
| Gila County, AZ | # 12 | 2 | 48.8 GWh |
| Santa Cruz County, AZ | # 13 | 2 | 9.8 GWh |