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It converts approximately 930,000 tonnes of green, sustainable raw materials – agricultural and industrial organic waste – into more than 41.1 million Nm³ of renewable biogas and more than 48.000 tonnes of green CO₂ per year
Tønder Biogas has been in operation since December 2022. Construction of the remaining part of the facility began in the summer of 2023 and is expected to be completed in 2025.
Tønder Biogas is owned by Copenhagen Infrastructure Partners’ (CIP) Advanced Bioenergy Fund, which aims to develop and build projects that produce green biogas and green fuels from organic waste.
Read more on cip.com
Tønder Biogas produces biogas from biomass, primarily consisting of manure and other agricultural biomass from local farmers, as well as industrial waste from the food industry.
During the process, the gas is purified to the same quality as natural gas before being fed into the natural gas grid.
The digested manure is returned to the farmers, who use it as sustainable fertilizer on their fields.
Biogas is a competitive, viable, and sustainable energy source. Biogas derived from agricultural waste and organic residual waste is a CO₂-neutral fuel. When it replaces fossil fuels such as coal, oil, or natural gas, it helps reduce greenhouse gas emissions.
Tønder Biogas effectively removes CO₂ from the atmosphere while producing renewable biofuels.
Tønder Biogas is located in one of the Danish regions with the highest density of agricultural waste.
75% of the biomass processed at Tønder Biogas consists of agricultural waste such as manure, livestock slurry, grass, and straw, supplied by local farmers and Tønder Municipality. The remaining 25% comes from industrial waste, including waste from the food, pharmaceutical, and other industries.
To make our biogas even more climate-friendly and efficient, Tønder Biogas has installed a modern CO₂ capture facility with an annual capacity of approximately 50,000 tonnes.
Using membrane technology, we upgrade the raw biogas by separating CO₂ from methane. The methane gas is then fed into the natural gas grid and delivered to consumers. After the upgrading process, the CO₂ gas is directed into our CO₂ capture facility, where it undergoes a series of processes to be purified, cooled, condensed, and stored as liquid CO₂.
The CO₂ liquefaction plant ensures a purity level of over 99%, making the biogenic CO₂ versatile and suitable for carbon capture, food-grade applications, or green fuel production.
Tønder Biogas collaborates with European Energy on the green transition. The biogenic CO₂ produced at the facility is transported by truck to European Energy’s PtX (Power-to-X) plant in Kassø, which produces e-methanol. This e-methanol is used by Maersk as green fuel for their ships.
