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Högbytorp, SWE

Anaerobic Digestion


83,000 t/a

Biogas use

upgraded to produce biomethane for gas grid

Biogas produced

12,377,000 Nm3/a

In 2015 Sweden launched an initiative aimed at radically reducing the country’s carbon emissions and making it the first industrialised nation in the world to become a fossil fuel-free economy. HZI actively contributed to the achievement of this target with Sweden’s first Kompogas®plant. On the site of the Renewable Energy Park in Högbytorp, around 40 kilometres to the north of Stockholm, three Kompogas®PF2100 steel fermenters assure dry fermentation of the organic waste delivered. The plant upgrades the biogas produced to around 6.8 million Nm3/a of biomethane, which is fed into the local gas grid.


  • Type of waste: food and green waste, liquid manure
  • Digester type: PF2100 steel digester
  • No. of digesters: 3
  • Biomethane exported: 6,800,000 Nm3/a


  • E.ON Biofor Sverige AB

Commencement of operation

  • 2019

Components supplied by HZI

  • turnkey plant including construction, dry fermentation, dewatering system and digestate treatment