United States › Power plants › Battery storage › Arizona
BATTERY STORAGERoadrunner Reserve Phase 2
Roadrunner Reserve Phase 2 is a 200 MW operating battery storage site in Pima County, Arizona, operated by Tucson Electric Power Co. Its batteries store up to 800 MWh.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| RDR2 | Batteries | 200 MW 800 MWh |
Plant details
- Operator
- Tucson Electric Power Co
- Location
- Pima County, Arizona
- Balancing authority
- TEPC
- Sector
- Electric Utility
- Capacity
- Operating: 200 MW
- First unit online
- Jun 2026
- EIA plant ID
- 68937
Location
32.0730, -110.8210
Nearby power plants
- Roadrunner Reserve Phase 1Battery storage · 200 MW · 0.3 mi
- Tech Park SolarSolar farms · 5.0 MW · 1.7 mi
- UASTP ISolar farms · 1.2 MW · 1.8 mi
- Iron Horse Battery Storage HybridSolar farms, Battery storage · 12.0 MW · 1.8 mi
- Cogenra - TEPSolar farms · 1.0 MW · 2.1 mi
- Gato Montes Solar, LLCSolar farms · 5.0 MW · 2.1 mi
- FRB Solar FarmSolar farms · 1.9 MW · 2.4 mi
- Prairie FireSolar farms · 4.5 MW · 3.0 mi
- Amazon TUS2Solar farms · 2.6 MW · 4.0 mi
- Wilmot Energy Center LLCSolar farms, Battery storage · 160 MW · 4.7 mi
Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem