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Wärtsilä to supply biogas upgrading and liquefaction solution to Sweden

Wärtsilä to supply biogas upgrading and liquefaction solution to Sweden
An artist's rendering of a Wärtsilä biogas upgrading and liquefaction plant (image courtesy Wärtsilä).

Finland-headed marine, gas, and energy technology major Wärtsilä Oyj has announced that it has been selected to supply know-how and equipment for a significant Swedish bioLNG project.

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The Wärtsilä solution will upgrade the biogas from agricultural waste and then liquefy it into high-quality bioLNG. When fully operational, it will be capable of producing 25 tonnes of bioLNG per day.

The installation has been ordered by Gasum AB, the Swedish subsidiary of Finnish gas and energy major Gasum Oy and it will be located at the company’s bioLNG project that has begun construction near Götene, Sweden.

The Götene biogas plant project is very important to us. It is the first of our five large biogas plant projects in Sweden in the coming years. After a thorough and extensive procurement phase, we were happy to conclude the deal with Wärtsilä. We have high expectations on the equipment and service, and are confident that Wärtsilä will meet those, stated Eero Lallukka, Senior Manager, Procurement at Gasum.

BioLNG is formed by purifying biogas by 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 making it usable as an environmentally sustainable fuel fully compatible with fossil liquefied natural gas (LNG).

Wärtsilä’s corporate strategy is focused on decarbonizing our customers’ operations. Our biogas upgrading and liquefaction capabilities in support of this bioLNG facility are fully in line with this commitment. We look forward to supporting Gasum as they work to expand their operations in promoting green fuel alternatives, commented Rolf Håkansson, Business Development Manager, Biogas Solutions, Wärtsilä Gas Solutions.

The full Wärtsilä scope of supply the value of which has not been disclosed includes the delivery, installation, and commissioning of the upgrading and liquefaction equipment.

Delivery is planned for August 2024, and the facility is expected to be fully operational at the beginning of 2025.

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