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2 MW BESS operating in Twin Falls, ID — Idaho Power Company
2 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
42.5716, -114.5951
County
Twin Falls, ID
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Idaho Power Co | Idaho Power | — |
| Owner(s) | Idaho Power Co | IDACORP | — |
| Status | Operating | — | — |
Filer BESS is a battery energy storage system located in Twin Falls County, Idaho. The plant has a total capacity of 2 MW and consists of a single generator. It began operating in 2025. The primary fuel type is electricity (MWH), indicating that the facility stores and discharges power rather than generating it directly from a fuel source.
The facility is owned by IDACORP and operated by Idaho Power Company. It is located within the Idaho Power Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. With a storage duration of 2 hours, Filer BESS is designed for short-term grid support. It is ranked as the 9th largest of 10 battery storage facilities in Idaho, and 1129th of 1205 nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $2.7M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
No news articles linked yet for this plant.
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No ask pi reports yet for this entity.
ask pi about Filer BESSIdaho Power Company (IPCO)
Grid Voltage
12.47 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility