26th largest plant in Arizona · 617th nationally
Eleven Mile Solar Center is a battery storage power plant in Arizona with a nameplate capacity of 600 MW.
| Plant Name | Eleven Mile Solar Center |
|---|---|
| Operator | Eleven Mile Solar Center, Llc |
| City | Coolidge |
| County | Pinal County |
| State | Arizona |
| ZIP | 85194 |
| Coordinates | 32.86097, -111.59191 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| 1111 | Solar Photovoltaic | Solar | 300 MW | Operating | 2024 |
| 2222 | Batteries | Battery | 300 MW | Operating | 2024 |
| NERC Region | WECC |
|---|---|
| Balancing Authority | Salt River Project |
Battery storage facilities don't generate electricity — they store it. They charge from the grid (often from solar during the day) and discharge during peak demand or to firm up renewables. EIA classifies them as power plants because they connect to the grid like one.