Raft River Geothermal Power Plant
Raft River Geothermal Power Plant is a 16 MW geothermal power plant in Cassia County, Idaho, operated by US Geothermal Inc.. EIA-860M lists 1 generating unit here. Its unit entered service in 2025.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 16 MW
- 10.7 MW net summer
- Generating units
- 1
- In service
- 2025
- EIA plant ID
- 56317
Where it is
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- County
- Cassia County, Idaho
- Coordinates
- 42.0994, -113.3825
- Balancing authority
- BPAT
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- US Geothermal Inc.
- Primary energy source
- Geothermal
- Technologies
- Geothermal
- Status
- Operating
Raft River Geothermal Power Plant: FAQ
- Where is Raft River Geothermal Power Plant?
- In Cassia County, Idaho (ID). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Raft River Geothermal Power Plant?
- 16 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Raft River Geothermal Power Plant?
- EIA-860M names US Geothermal Inc. as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as Raft River Geothermal Power Plant LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — US Geothermal Inc. here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Raft River Geothermal Power Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Raft River Geothermal Power Plant still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.