Scatter Wash 1

Scatter Wash 1 is a 170 MW battery storage project in Maricopa County, Arizona, operated by Scatter Wash Energy Storage, LLC. EIA-860M lists 1 generating unit here. Its unit entered service in 2025.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
170 MW
170 MW net summer
Generating units
1
In service
2025
EIA plant ID
67454

Where it is

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County
Maricopa County, Arizona
Coordinates
33.7126, -112.082
Balancing authority
AZPS
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Scatter Wash Energy Storage, LLC
Primary energy source
Battery
Technologies
Batteries
Status
Operating

Every plant Scatter Wash Energy Storage, LLC reports to EIA →

Scatter Wash 1: FAQ

Where is Scatter Wash 1?
In Maricopa County, Arizona (AZ). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Scatter Wash 1?
170 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Scatter Wash 1?
EIA-860M names Scatter Wash Energy Storage, LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Scatter Wash 1 LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Scatter Wash Energy Storage, LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Scatter Wash 1 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Scatter Wash 1 still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.