United States › Power plants › Battery storage › Arizona
BATTERY STORAGEAtlas VIII
Atlas VIII is a 382 MW under construction battery storage site in La Paz County, Arizona, operated by Atlas VIII LLC.
Plant statusUnder construction
- Planning (completed)
- Consented (completed)
- Construction (current stage)
- OperatingTarget Dec 2026 (not yet reached)
- Closed (not yet reached)
Planned start of operation reported to EIA: Dec 2026.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| ALT8A | Batteries | 210 MW | Under construction (over 50%) |
| ALT8B | Batteries | 172 MW | Under construction (over 50%) |
Plant details
- Operator
- Atlas VIII LLC
- Location
- La Paz County, Arizona
- Balancing authority
- CISO
- Sector
- IPP Non-CHP
- Capacity
- Under construction: 382 MW
- EIA plant ID
- 68323
Location
33.5829, -113.5769
Nearby power plants
- Atlas BESS IV LLCBattery storage · 150 MW · 0.0 mi
- Atlas VIIBattery storage · 300 MW · 0.0 mi
- Atlas IXBattery storage · 150 MW · 0.0 mi
- ATLAS IISolar farms · 100 MW · 0.0 mi
- ATLAS SOLAR IVSolar farms · 300 MW · 0.0 mi
- ATLAS Solar VI, LLCSolar farms · 100 MW · 0.3 mi
- ATLAS Solar V, LLCSolar farms · 200 MW · 0.7 mi
- ATLAS Solar XI, LLCSolar farms · 200 MW · 2.1 mi
- ATLAS Solar X, LLCSolar farms · 225 MW · 2.8 mi
- Centennial FlatsSolar farms, Battery storage · 767 MW · 2.8 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