Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Walmart Casa Grande | Tesla Inc. | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 1.8 GWh | May 2011 | Dec 2023 | Solar |
| West Phoenix | Arizona Public Service Co | Phoenix, AZ | Arizona Public Service Company (AZPS) | 3.9 TWh | Apr 1972 | Feb 2026 | Natural Gas |
| White Wing Solar | Leeward Asset Management, LLC | Yuma, AZ | California Independent System Operator (CISO) | 445.1 GWh | Sep 2024 | Feb 2026 | Solar |
| Wilmot Energy Center LLC | Wilmot Energy Center LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 268.1 GWh | Mar 2021 | Feb 2026 | Solar |
| West Line Solar, LLC | West Line Solar, LLC | City of Eloy, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 256.0 GWh | Nov 2022 | Feb 2026 | 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 |