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United States › Power plants › Battery storage › Washington

BATTERY STORAGE

Arlington Battery Energy Storage System

Arlington Battery Energy Storage System is a 25.0 MW under construction battery storage site in Snohomish County, Washington, operated by PUD No 1 of Snohomish County - (WA).

Plant statusUnder construction
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (current stage)
  4. OperatingTarget Oct 2026 (not yet reached)
  5. Closed (not yet reached)

Planned start of operation reported to EIA: Oct 2026.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
ABESSBatteries25 MW Under construction (over 50%)Target Oct 2026

Plant details

Operator
PUD No 1 of Snohomish County - (WA)
Location
Snohomish County, Washington
Balancing authority
BPAT
Sector
Electric Utility
Capacity
Under construction: 25.0 MW
EIA plant ID
67669

Location

48.1562, -122.1437

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