Wärtsilä Gas Solutions, a division of the Wärtsilä technology group, has secured a contract to deliver a biogas upgrading plant to Danish renewable energy provider Bigadan AS. This facility will significantly enhance the efficiency of biogas as a renewable energy source, with the capability to upgrade 6,000 Nm³ per hour of raw biogas. The order was finalised in the third quarter of 2025.
The project represents a crucial step in expanding Denmark’s biogas production and utilisation, supporting the country’s transition to greener energy. The plant will be located at Bigadan’s biogas facility in Horsens, Denmark.
Wärtsilä’s biogas upgrading employs amine scrubber technology, ensuring efficient conversion to meet Danish national gas grid standards. “We are committed to supporting and promoting the green transition,” stated Casper Krog Hansen, Project Manager, and Christian A. Tidmarsh, Business Development Manager, both from Bigadan AS. They emphasised biogas’s potential as a sustainable energy solution aligned with global carbon reduction efforts.
The Wärtsilä PuregasCA solution is slated to commence operations, delivering upgraded gas to the Danish grid by Q3 2026. Wärtsilä’s responsibilities include the installation and commissioning of the plant.
Goran Gajski, Sales Manager at Wärtsilä Gas Solutions, Biogas, highlighted the strategic importance of integrating biomass and biogas with wind and solar energy. He noted that the collaboration between Wärtsilä and Bigadan is pivotal in advancing a comprehensive energy strategy, backed by Wärtsilä’s extensive expertise and solid reputation.
