BioteCH4 Group has acquired five biogas upgrading units from Air Liquide UK, taking ownership of the equipment and associated gas and certificate sales contracts across five renewable gas sites in the United Kingdom.
The assets serve Hemswell Biogas, Local Generation, Thornfield Energy, Holme Bioenergy and R100 Energy. The transaction transfers both the upgrading units and their related commercial arrangements to BioteCH4, expanding the group’s control over assets in its UK renewable gas portfolio.
The companies have yet to disclose the financial terms of the acquisition.
Acquisition expands BioteCH4’s renewable gas portfolio
BioteCH4 said the deal forms part of its ongoing investment programme and is intended to strengthen and expand its biogas operations. Taking ownership of the upgrading units and linked sales agreements gives the group greater control over the assets and the commercial arrangements associated with the renewable gas they produce.
Biogas upgrading is the process of removing carbon dioxide and other impurities from raw biogas to increase its methane concentration and produce biomethane. Depending on the site and applicable standards, the upgraded gas can be supplied for uses such as injection into the gas grid or other approved applications.
The associated gas and certificate sales contracts are also part of the transaction. These arrangements can be commercially significant because renewable gas revenues may depend not only on physical gas sales but also on the contractual treatment of environmental attributes and certificates.
BioteCH4 targets long-term value from existing assets
Christer Stoyell, chief executive officer of BioteCH4 Group, said the acquisition strengthens the company’s position in the UK renewable gas sector.
“We are pleased to have completed this acquisition, which further strengthens our position in the UK renewable gas sector,” Stoyell said.
He added that bringing the upgrading units and associated commercial arrangements under the group’s ownership supports its strategy of investing in and optimising its biogas portfolio while continuing to deliver renewable energy and environmental benefits.
The transaction is part of BioteCH4’s wider investment approach to its existing operations. However, the companies have not disclosed the acquisition price, the capacity of the five upgrading units or the volumes of gas covered by the contracts.
Bioenergy Business Analysis
The acquisition brings together physical biomethane upgrading infrastructure and the commercial contracts linked to gas and environmental certificates. This combination matters because asset ownership and the ability to manage sales agreements can influence how renewable gas operators optimise production, market output and capture value from their portfolios.
The deal illustrates the continuing importance of operational assets in the UK biomethane market. Upgrading capacity enables raw biogas to be converted into higher-methane renewable gas, while gas sales agreements and environmental certificates can form separate but related parts of a project’s revenue structure.
The acquisition’s longer-term impact will be clearer when information becomes available on the sites’ combined capacity, production volumes and contribution to BioteCH4’s financial performance.




