Roadrunner Reserve Phase 2 is a battery storage power plant in Arizona.
| Plant Name | Roadrunner Reserve Phase 2 |
|---|---|
| Operator | Tucson Electric Power Co |
| City | Tucson |
| State | Arizona |
| ZIP | 85747 |
| Coordinates | 32.07300, -100.82100 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| RDR2 | Batteries | Battery | 200 MW | Under Construction | — |
| NERC Region | WECC |
|---|---|
| Balancing Authority | Tucson Electric Power Company |
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.