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Anaergia to build one of the world’s largest RNG plants

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Anaergia has acquired two Danish subsidiaries that will build, own, and operate (BOO) a major new anaerobic digestion facility in Denmark.

The new facility in Tønder will convert agricultural waste into RNG. Anaergia expects the facility to produce 1.4 MMBtu of RNG per year, which would make it one of the largest plants of its kind in the world. It will produce approximately 40% more RNG than that of the company’s Rialto, California facility.

Construction is set to begin before the end of the year and expected to be complete within two years. Anaergia is aiming for RNG production to start before 31 December 2022 to qualify for the Danish Energy Agency’s subsidy programme, which promotes the production of biogas by providing a guaranteed minimum price. Under the terms of this programme, biogas that is upgraded to RNG for injection into the gas grid receives a subsidy for 20 years.

“Owing to the initial public offering, we were in a position to expand Anaergia’s operations into Scandinavia earlier than expected,” said Andrew Benedek, Anaergia’s chairman and CEO.

“This project dovetails with Denmark’s aspirations to become one of the most climate-friendly countries in the world. Denmark has a climate law that aims to reduce greenhouse gas emissions by 70% below 1990 levels by 2030, with net-zero emissions targeted for 2050, and this project will help achieve these objectives.

“Our investment in this BOO project underscores our commitment to creating new large-scale facilities that will make a positive difference in the environment around the world.”

The plant – costing around $100 million (€85 million) - is expected to generate enough RNG to meet the needs of 29,000 homes, while reducing the amount of CO2 released into the environment by around 70,000 tonnes annually.