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United States β€Ί Power plants β€Ί Battery storage β€Ί Idaho

BATTERY STORAGE

Filer BESS

Filer BESS is a 2.0 MW operating battery storage site in Twin Falls County, Idaho, operated by Idaho Power Co. Its batteries store up to 4 MWh.

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

Open in Google MapsMore battery storage sites in Idaho

Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
1Batteries2.0 MW
4 MWh
OperatingMar 2025

Plant details

Operator
Idaho Power Co
Location
Twin Falls County, Idaho
Balancing authority
IPCO
Sector
Electric Utility
Capacity
Operating: 2.0 MW
First unit online
Mar 2025
EIA plant ID
66328

Location

42.5716, -114.5951

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