Wärtsilä Gas Solutions has been selected to deliver a complete bioLNG solution to a new biogas plant in Eskilstuna, Sweden. The contract was signed by Andion Scandinavia AB, which will act as the leading supplier in a design and build contract with the project owner, Eskilstuna Biogas AB. Wärtsilä booked the order in Q2 2025. Once operational, the plant will be capable of producing up to 17 tons per day of bioLNG from organic waste.

Project Scope and Technical Specifications

Wärtsilä Gas Solutions will engineer, manufacture, install, and commission the complete bioLNG solution to the Eskilstuna Biogas AB facility. The scope includes a 200 m³ storage tank and an export station. The contract also includes the potential for future installation of a CO2 liquefaction unit. Andion will install both the biogas upgrading and liquefaction solutions as part of their role as the major supplier.

A spare parts package and service agreement will follow the initial installation. BioLNG is produced by first upgrading biogas, removing hydrogen sulphide (H2S), carbon dioxide (CO2), and water vapour, before it is liquefied at -160°C. It has the same calorific value and other properties as conventional fossil-based LNG, making it a viable and environmentally sustainable replacement fuel.

Company Statements and Strategic Positioning

Martin Kambler, Managing Director of Eskilstuna Biogas AB, stated: "We are committed to making a net-zero carbon future possible through utilizing organic waste to produce clean energy. This bioLNG plant represents a significant milestone in our portfolio, and we are pleased to have Wärtsilä's experience and capabilities supporting us in this." Rolf Håkansson, Sales Manager Biogas at Wärtsilä Gas Solutions, commented:

"Our bioLNG solutions are a central part of Wärtsilä's decarbonisation strategy, and our track record of successful installations has given us a leading position in this field. This latest order not only reinforces our commitment to providing solutions for a 100% renewable energy future, but also exemplifies how we are actively contributing to the global transition towards cleaner fuels."

Eskilstuna Biogas Project Details

Eskilstuna Biogas AB has commenced construction of a 70 GWh, or approximately 5,400 ton, LBG plant outside Eskilstuna. The company has partnered with several important partners, including multiple local Eskilstuna farmers, Eskilstuna Energi & Miljö, Klimatklivet, Gotlandsbolaget, Equitix New Generation (a UK-based infrastructure fund), and Andion CH4 Renewables.

The plant will be one of the largest of its kind in the Nordic region and will feature the most modern technology. It will supply local municipality services and Destination Gotland with renewable LBG.

Company Background Information

Wärtsilä Gas Solutions is part of the Wärtsilä Portfolio Business and operates as a market leader, offering innovative systems and lifecycle solutions for the gas value chain. The company's primary focus areas include the handling of gas in maritime applications (storage, fuel, transfer, and BOG management), gas-to-power, liquefaction, and biogas solutions.

The parent company, Wärtsilä, is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. The company employs 18,300 professionals in more than 230 locations across 77 countries. In 2024, Wärtsilä's net sales totalled EUR 6.4 billion. Wärtsilä is listed on Nasdaq Helsinki.

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