Thompson Creek Mine
Large load · Squaw Creek Rd off Hwy 75, Clayton, ID
Thompson Creek is a molybdenum mine in Custer County, Idaho, that was placed on care and maintenance in December 2014 and is being restarted. About 52 percent of the infrastructure refurbishment was complete as of August 2026, with first molybdenum production targeted for mid-2027. Salmon River Electric Cooperative operates a 230 kV transmission line and substation for the mine.
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Overview
Thompson Creek was a producing mine until it was placed on care and maintenance in December 2014 due to falling moly prices.
Profile
- Restart
- The restart of the mine is advancing as planned, with about 52 percent of the infrastructure refurbishment completed. Progress is being made in construction, pre-commissioning, tailings and operational readiness activities.
- Electricity and grid
- Salmon River Electric Cooperative operates and maintains a 230 kV transmission line and substation for Thompson Creek Mining.
- Ownership
- Thompson Creek shareholders voted October 18 to accept an offer from Centerra Gold, which acquired all issued and outstanding common shares of Thompson Creek.
Facility
- Activity
- Molybdenum production
- Industry
- Mining
- Site type
- Facility
- Operating status
- Under construction
Reported Aug 22, 2026