66th largest plant in Arizona · 2692nd nationally
Superstition Energy Storage is a battery storage power plant in Arizona with a nameplate capacity of 90.0 MW.
| Plant Name | Superstition Energy Storage |
|---|---|
| Operator | Superstition Energy Storage, Llc |
| City | Gilbert |
| County | Maricopa County |
| State | Arizona |
| ZIP | 85233 |
| Coordinates | 33.35898, -111.83111 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| BESS4 | Batteries | Battery | 90.0 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.