Ahlstrom to close Wisconsin pulp mill and paper machines

Company cites rising costs, limited automation, and resource constraints as reasons for permanent closure

Mar. 2, 2026 at 5:39pm

Ahlstrom, a pulp and paper manufacturer, has announced the closure of a pulp mill and two paper machines at its facility in Mosinee, Wisconsin. The closure, which will impact 28 positions, is expected to begin on June 30 and be permanent, according to a letter sent to the Wisconsin Department of Workforce Development.

Why it matters

The closure of this pulp mill and paper production facility is a significant economic blow to the Mosinee community, which has relied on the mill as a major employer for decades. The decision highlights the challenges facing the pulp and paper industry, including rising operating costs, limited automation, and resource constraints.

The details

Ahlstrom cited rising operating costs, limited automation, and resource constraints as the primary reasons for the closure of the Mosinee pulp mill and two paper machines. The closure will affect 28 positions at the facility, located at 100 Main Street in Mosinee.

  • The closure is expected to begin on June 30, 2026.
  • The closure is expected to be permanent.

The players

Ahlstrom

A pulp and paper manufacturer that is closing its Mosinee, Wisconsin facility.

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The takeaway

The closure of the Ahlstrom pulp mill and paper machines in Mosinee is a significant economic blow to the community, highlighting the ongoing challenges facing the pulp and paper industry, including rising costs, limited automation, and resource constraints.