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4 MW BESS operating in Elmore, ID — Idaho Power Company
4 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
43.1776, -115.7167
County
Elmore, ID
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Idaho Power Co | Idaho Power | — |
| Owner(s) | Idaho Power Co | IDACORP | — |
| Status | Operating | — | — |
Elmore BESS is a battery energy storage system located in Elmore County, Idaho. The plant has a total capacity of 4 MW and consists of a single generator. It began operating in 2025. The primary fuel type is electricity (MWH), indicating that it charges from the grid.
The facility is owned by IDACORP and operated by Idaho Power Company. It functions within the Idaho Power Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. With a capacity of 4 MW, Elmore BESS ranks as the 7th largest of 10 battery storage plants in Idaho, and 1024th nationally out of 1205 such plants. The battery duration is 4 hours.
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: $5.4M
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 Elmore BESSIdaho Power Company (IPCO)
Grid Voltage
34.5 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility