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United States › Power plants › Battery storage › Arizona

BATTERY STORAGE

Papago Energy Storage

Papago Energy Storage is a 300 MW operating battery storage site in Maricopa County, Arizona, operated by RE Papago LLC. Its batteries store up to 1,200 MWh.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingMay 2025 (current stage)
  5. Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
PPABABatteries300 MW
1,200 MWh
OperatingMay 2025

Plant details

Operator
RE Papago LLC
Location
Maricopa County, Arizona
Balancing authority
AZPS
Sector
IPP Non-CHP
Capacity
Operating: 300 MW
First unit online
May 2025
EIA plant ID
66779

Location

33.4836, -113.0378

Nearby power plants

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