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German biogas developer Envitec Biogas (Envitec) will supply a 561 Nm³/h EnviThan gas upgrading system to the existing biogas plant of Lohne-based farming business Timphaus Erneuerbare Energien (TEE), adding biomethane production alongside electricity generation.
Construction began in January 2026, with first biomethane injection into the German gas grid expected from October.
The plant expansion will also allow the use of additional feedstock such as manure and slurry, increasing overall biogas production.
Envitec Biogas plans to invest around €100m ($117m) in biomethane production by 2029, targeting the conversion and expansion of existing Renewable Energy Act (EEG) plants.
Timphaus has operated under Germany’s EEG scheme since commissioning its biogas plant in 2011.
“At the time, the 20-year guaranteed revenues from biogas under the… EEG were able to offset fluctuating agricultural income at many farms,” explained Christian Eilert, Area Sales Manager at EnviTec Anlagenbau, the primary plant construction division of Envitec.
In December 2022, the EU commission approved the modification of Germany’s EEG 2021 scheme to further support the production of electricity from renewable energy sources.
EnviTec said upgrading existing biogas plants with biomethane production enables operators to diversify revenue streams while retaining flexible electricity generation.
The €28bn ($32bn) EEG 2023 support scheme aims to produce 80% of electricity from renewable energy sources by 2030, up from the EEG 2021 goal of achieving a 65% share.
EnviTec operates 91 biogas plants, making it one of the largest biogas producers in Germany, with company-wide revenues of €312.6m ($356.3m) in 2025.
According to the International Energy Agency (IEA), across Europe, Germany accounted for 29% of biomethane production and 53% of biogas production in 2024.
Market research shows the global biogas market will be valued at €44.14bn ($50.31bn) by the end of 2026.
