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27.7 MW Hydro operating in Minidoka, ID
27.7 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1927
Operating Since
Coordinates
42.6691, -113.4849
County
Minidoka, ID
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | U S Bureau of Reclamation | — | — |
| Owner(s) | U S Bureau of Reclamation | — | — |
| Status | Operating | — | — |
The Minidoka hydroelectric plant is located in Minidoka County, Idaho. The plant has a total capacity of 27.7 MW across four generators, using conventional hydroelectric technology and water as its primary fuel source. It began operating in 1927 and is owned and operated by the U.S. Bureau of Reclamation. Minidoka is ranked as the 17th largest power plant in Idaho out of 76, and 424th nationally out of 1464 plants.
In the most recent year with available data, the plant generated 111,667 MWh of electricity, achieving a capacity factor of 45.8%. The plant operates within the Bonneville Power Administration balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Bonneville Power Administration (BPAT)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility
398 MWh
Latest Month
111.7K MWh
Annual Generation
45.8%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $63.6M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
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