Gasum sells Lahti biogas upgrader to Nevel, keeps biomethane offtake
Gasum sold its Lahti upgrader to Nevel on 23 June 2026, but kept the biomethane offtake and gas network link.
Gasum on 23 June 2026 sold its biogas upgrading unit in Lahti to Nevel, while keeping a long-term purchase agreement for all upgraded biomethane from the site. The companies said customers would see no change from the transfer, and Gasum said it would continue feeding the biomethane into the gas network for sale.
The deal leaves supply control and market access in different hands. Nevel already supplied raw biogas from its adjacent Kujala plant in Lahti, and now takes over the upgrading asset that turns that stream into grid-ready biomethane. Gasum keeps the offtake, the network connection and the customer-facing sales channel, a structure that preserves the fuel flow while shifting ownership and operating responsibility.
Nevel’s Lahti biogas plant produces about 50 GWh of biogas a year and uses about 90,000 tonnes of biodegradable waste, sewage sludge and industrial side streams annually. The site dates to 2014, when Labio built the biogas plant and Gasum built the associated upgrading unit and gas grid connection. Nevel says the plant has handled more than 1,000,000 tonnes of biowaste and sludge without any shutdown days, and that the site has a waste-processing capacity of 85,000 tonnes a year.
Nevel operates biogas production plants in Lahti, Forssa, Pori and Juuka, and serves about 50 industrial and municipal customers. That footprint makes the company a larger Nordic operator at a time when biomethane assets are being split into narrower functions, with one party handling plant ownership and another handling offtake, network access and sales.
The transaction also fits Gasum’s broader supply-chain strategy. The company has said it wants to bring 7 TWh of renewable gas to market annually by 2027. Gasum said it delivered 1.7 TWh of biogas to customers in 2022, and 1.7 TWh of biomethane to customers in 2024, including 761 GWh from its own production. Gasum said the new Lahti arrangement was logical for both organizations and supported their business priorities, a signal that the Nordic biomethane market is deep enough for ownership changes to happen without disrupting deliveries.
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