Strike begins at Teck’s Highland Valley Copper operations in British Columbia
Teck says United Steelworkers Local 7619 strike action has begun; the mine is operating at reduced capacity, and the production impact will depend on the duration of the labour action.
- Publish date: 2026-10-24
- Category: Mining & Minerals
- Original source: Teck Resources
- Reading time: 3 min read
Union action starts at Highland Valley Copper
Teck Resources said in an update dated Oct. 24 that strike action by United Steelworkers Local 7619 had commenced at Highland Valley Copper in British Columbia. The company said operations were continuing at reduced capacity, with contingency plans in place and safety and environmental management as priorities during the labour action.
The update follows an Oct. 21 strike notice that entitled the union to begin action from 8 a.m. Pacific Time on Oct. 24 at the earliest. The collective agreement had reached the end of its term on Sept. 30. Teck said it remained committed to negotiating an agreement it considers fair and reasonable for employees and supportive of the operation’s viability.
Production effects are not yet quantified
Teck said the impact on overall production would depend on how long the labour action lasts. The company did not provide a tonnage estimate, revised output guidance, or a restart date in the update. Its statement says operations continue, but at a reduced capacity; it does not describe a complete shutdown.
That distinction matters for supply assessments. An active labour disruption may affect mine output, processing and shipment schedules, but the size and duration of those effects remain unknown based on the company’s notice. Any estimate of lost copper production would require later company disclosure or other independently verified operating data.
A significant Canadian copper operation
Highland Valley Copper is a major copper mine in British Columbia and part of Teck’s Canadian operations. A disruption can therefore matter to local employees, suppliers and communities as well as to the company’s production portfolio. The Oct. 24 release gives no updated production forecast or detail on which operating areas are running at reduced capacity.
The mine’s supply is relevant to copper markets because copper is used in electricity networks, equipment and other industrial applications. That market context does not establish a particular price effect from this strike. The production consequence will depend on how long the work stoppage lasts, how operations are managed, and whether shipments are delayed.
Negotiations and operating updates to watch
Teck said its priority during the labour action was to maintain safety and environmental management and reiterated that it sought a fair and reasonable collective agreement. Further disclosures may clarify the course of negotiations, the duration of the strike and any effects on the company’s previously issued production outlook.
For now, the verified update is limited but material: union strike action has begun; Highland Valley Copper continues to operate at reduced capacity; and Teck says production effects depend on the duration. It would be premature to report a complete closure, a specific volume of lost output or a resolution date without new evidence.