New details emerge on Garpenberg mine shaft expansion amid seismic issues

Boliden plans a new hoisting shaft at its Garpenberg mine to boost production to 4.5 million tons annually, following a weekend collapse that injured workers and ongoing high seismic activity halting underground operations. The investment builds on earlier announcements amid disruptions.

A collapse over the weekend at Boliden's Garpenberg mine in Hedemora injured several people, followed by high seismic activity that halted all underground work and led to evacuations. Despite these challenges, the company is pressing ahead with expansion plans, including a new hoisting shaft near a mineral-rich area to transport ore to the surface. As previously reported, Boliden is investing four billion kronor in the project to secure the mine's long-term future. The Garpenberg mine produces complex ore containing zinc, lead, silver, copper, and gold. The shaft will support annual production of 4.5 million tons, for which Boliden has environmental permits—though the decision faces appeals. 'It is a future investment for Garpenberg,' site manager Joanna Lindahl told reporters.

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Damaged underground tunnel in Garpenberg mine, closed until 2026 due to earthquakes, with cracks, debris, and warning barriers.
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Parts of Garpenberg mine closed through 2026 after quakes

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Following a series of seismic events at the Garpenberg mine in Hedemora, Boliden announced that large parts of the mine will remain closed throughout 2026. The company expects to lose 70 percent of planned production and incur a 400 million kronor loss in the first quarter.

Following a recent production halt due to seismic activity and rockfall at the Garpenberg mine in Hedemora, Boliden is investing four billion kronor in a new hoisting shaft to secure the site's long-term future.

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Two weeks after a rockfall and tremors halted operations at Boliden's Garpenberg mine—injuring several workers and forcing evacuation—production is now forecast at only one third of the annual plan. The union reports high anxiety among staff, but no layoffs are planned.

Five weeks after the collapse in Garpenbergsgruvan, Boliden has updated on the situation. Mining in upper Lappberget has sunk five meters and resumption is difficult. Impact expected until 2031.

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A Swiss subcontractor to Boliden is laying off about 30 employees at Garpenbergs mine in Hedemora, following the March 14 collapse that injured three workers and halted production. The mine had been one of Boliden's most profitable operations.

A consortium led by Wallenberg Investments has injected 15 billion kronor into the crisis-hit steel company Stegra. The investment paves the way to complete the fossil-free steel plant in Boden and reduces bankruptcy risks. Wallenberg becomes the largest owner, with Leif Johansson as new chairman.

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The Wallenberg family is set to become the largest owner in the struggling steel company Stegra, Dagens industri reports citing multiple sources. Investors are providing 15 billion kronor to rescue the green steel project, with the Wallenberg sphere covering half. Lenders will release nearly 10 billion kronor in previously frozen loans.

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