Denmark

Tønder

One of the largest anaerobic digestion plants in the world converting agricultural waste to renewable fuel

Anaergia’s anaerobic digestion facility under construction in Tønder, Denmark will take in agricultural waste and convert it to as much as 1.4 million MMBtu of renewable natural gas (biomethane)—enough to meet the needs of around 29,000 homes—making it one of the largest such plants in the world. The Tønder plant biomethane production will prevent about 70,000 tonnes of carbon dioxide per year from being released into the environment, so the project dovetails perfectly with Denmark’s aspirations to become one of the most climate-friendly countries in the world. In addition, this facility will provide up to 60,000 tonnes per year of liquefied biogenic carbon dioxide which will be used by European Energy A/S to create e-methanol, a clean shipping fuel. We’re proud that the Tønder facility’s biomethane and biogenic CO2 production will help Denmark achieve its goals to reduce greenhouse gas emissions by 70% below 1990 levels by 2030, and net zero emissions by 2050.

  • Project Location: Tønder, Denmark
  • Startup: 2022
  • Designed, Built, Owned, Operated and Financed by Anaergia

Key Technologies

OMNIVORE® HIGH-SOLIDS ANAEROBIC DIGESTION
BIOGAS CONDITIONING AND UPGRADING

Inputs

  • 930,000 metric tons per year of organic waste
  • Outputs

  • 1,400,000 MMBtu biomethane (renewable natural gas)
  • up to 60,000 tonnes per year of liquefied biogenic carbon dioxide
  • Impacts

  • Slated to prevent carbon dioxide emissions by ~70,000 tonnes per year
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