Progroup Acquires Sappi Stockstadt Mill for Sustainable Containerboard Production

Peter Resvanis (left), Head of Competence Centre Growth Projects Paper at Progroup, and Christian Dietershagen, Mill Director of Sappi Stockstadt GmbH. Image Source: Progroup

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Progroup announced on May 7 that it has taken over the Sappi Stockstadt mill site in Germany to create a new circular economy site for sustainable containerboard production.

The plan is to have a state-of-the-art plant operational by the end of the decade, creating around 200 jobs.

The selective dismantling of the Sappi plant will begin shortly and is expected to be completed by the end of 2026. At the heart of the new facility will be one of the world's most modern and high-performance paper machines for manufacturing environmentally friendly, high-quality containerboard. The new machine is designed for sustainable and energy-efficient operation for the next 50 to 60 years, using only recovered paper as raw material.

Progroup plans to further expand the paper mill by adding a state-of-the-art waste-to-energy plant. This plant will convert waste materials produced in the paper mill and other regional recycling processes into energy, providing the mill with the power and process heat it requires. This will enable Progroup to avoid tens of thousands of tonnes of CO₂ emissions annually, make sustainable use of recycled materials, and meet high emissions protection standards.

The Stockstadt site offers Progroup the opportunity to design a site for the circular economy, with a closed material loop for sustainable and innovative containerboard manufacturing.