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United States › Power plants › Battery storage › Arizona

BATTERY STORAGE

Scatter Wash 2

Scatter Wash 2 is a 85.0 MW operating battery storage site in Maricopa County, Arizona, operated by Scatter Wash Energy Storage, LLC. Its batteries store up to 340 MWh.

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

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
SW2Batteries85 MW
340 MWh
OperatingApr 2025

Plant details

Operator
Scatter Wash Energy Storage, LLC
Location
Maricopa County, Arizona
Balancing authority
AZPS
Sector
IPP Non-CHP
Capacity
Operating: 85.0 MW
First unit online
Apr 2025
EIA plant ID
67455

Location

33.7122, -112.0820

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