Wärtsilä biogas liquefaction project will significantly reduce greenhouse gas emissions in Sweden

Wärtsilä Corporation, Press release 26 January 2023 at 14:00 UTC+2
  • 3D model of the Mönsterås plant. © Wärtsilä

The technology group Wärtsilä will supply its biogas liquefaction technology for an important new project in Mönsterås, Sweden. The system has been ordered by Scandinavian Biogas Mönsterås, a joint venture company between Scandinavian Biogas Fuels (SBF), the majority owner, and local farmers supplying manure and agricultural waste to the project. The plant will produce bioLNG, a substitute for fossil LNG, and will be used as transport fuel for heavy vehicles, thereby contributing to a fossil-free transport system. The order was booked in Wärtsilä’s order intake in December 2022.

The system will have the capacity to produce 30 tons per day of bioLNG. It will be the first project of this capacity using Wärtsilä’s amine scrubber type Puregas CA technology to pre-treat the biogas, which is then liquefied using the company’s mixed refrigerant (MR) process. The system will produce bioLNG with a negative CO2 footprint, and will thus contribute to a net reduction of greenhouse gases in the atmosphere.

“We are pleased to have once again been selected by Scandinavian Biogas Fuels to supply our industry-leading biogas liquefaction technology for their latest project. This will be a step-up in capacity from their plant in Norway, and we look forward to strengthening the cooperation between our companies. Decarbonisation is central to all Wärtsilä products and solutions, and this project is completely in line with this ambition,” commented Magnus Folkelid, Manager Global Sales, Biogas Solutions. 

In addition to the biogas liquefaction system, a bioLNG storage facility and export station will be supplied. Additionally, a three-year service agreement has been signed.

While this 30 tons per day capacity is an advance on earlier systems, Wärtsilä believes that plants with a capacity of as much as 50 tons per day will soon be needed. This is because the biogas industry is being industrialised, and larger plants will be required to capture positive scale effects and synergies. The main challenge to up-sizing will be the availability of substrates (feedstock) from which to produce biogas.

Delivery of the Wärtsilä equipment is scheduled to commence in the first half of 2024, and the plant is expected to be fully operational later that year.

Wärtsilä Gas Solutions is a market leader with innovative systems and lifecycle solutions for the gas value chain. Our main focus areas are handling of gas in seaborne transport (storage, fuel, transfer and BOG management), gas to power, liquefaction and biogas solutions. We help our customers on the journey towards a sustainable future through focus on lifecycle, innovation and digitalisation.

Media contact for more information on this release:

Mrs Elin Saure Hasund
Sales & Marketing Coordinator, Gas Solutions
Wärtsilä Marine Systems
Tel: +47 91721144


Image caption: 3D model of the Mönsterås plant. © Wärtsilä

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Wärtsilä Marine Systems in brief:
Wärtsilä Marine Systems supports customers with high quality products and lifecycle services related to the gas value chain, exhaust treatment, shaft line, underwater repair and electrical integrations. We are committed to providing the latest and most efficient solutions, in line with Wärtsilä’s vision for a safe and sustainable future for our customers, our communities and our planet.

Wärtsilä in brief:
Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. We emphasise innovation in sustainable technology and services to help our customers continuously improve their environmental and economic performance. Our dedicated and passionate team of 17,000 professionals in more than 200 locations in 68 countries shape the decarbonisation transformation of our industries across the globe. In 2021, Wärtsilä’s net sales totalled EUR 4.8 billion. Wärtsilä is listed on Nasdaq Helsinki.