United States › Power plants › Battery storage › Arizona
BATTERY STORAGEPluto Energy Storage
Pluto Energy Storage is a 75.0 MW operating battery storage site in Maricopa County, Arizona, operated by Pluto Energy Storage, LLC. Its batteries store up to 300 MWh.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| PLUTO | Batteries | 75 MW 300 MWh |
Plant details
- Operator
- Pluto Energy Storage, LLC
- Location
- Maricopa County, Arizona
- Balancing authority
- AZPS
- Sector
- IPP Non-CHP
- Capacity
- Operating: 75.0 MW
- First unit online
- Jul 2025
- EIA plant ID
- 67328
Location
33.4096, -112.4116
Nearby power plants
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- Estrella Mountain PVSolar farms · 1.8 MW · 4.1 mi
- Justice Energy StorageBattery storage · 150 MW · 4.8 mi
- Sierra Estrella Energy StorageBattery storage · 250 MW · 5.6 mi
- Amazon GoodyearSolar farms · 2.4 MW · 6.0 mi
- Sierra Luna Energy StorageBattery storage · 150 MW · 6.2 mi
- White Tank Energy StorageBattery storage · 100 MW · 8.2 mi
- Luke SolarSolar farms · 11.2 MW · 8.3 mi
- Buckeye Union HS District 201Solar farms · 3.3 MW · 9.5 mi
- T0588 Phoenix - AZSolar farms · 1.2 MW · 11.5 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