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DBE - Dollbergen Bioenergie GmbH

Facilities in Operation

The biomass cogeneration plant in Dollbergen went into operation in July 2020. The main shareholder¬ behind the project is Koehler Renewable Energy GmbH, which completed the plant in conjunction with Umwelt Management AG (UMaAG).
At Dollbergen, natural wood will be burned and – thanks to cogeneration technology – used to simultaneously produce power and process steam. 

Business Activities

  • Feeding electricity into the grid in accordance with the German Renewable Energy Sources Act (EEG)
  • Supplying process steam to the production site of AVISTA OIL


Block I
First feed 2020
Thermal firing capacity 38 MWth
Electric power 10 MWel
Generation of electricity approx. 69.000 MWh per annum
Production process heat approx. 75,000 - 90,000 t steam per annum


Block I
Firing Grate firing with natural circulation boiler
Power generation Extraction condensing turbine
Biomass application approx. 120,000 t per annum
Wood yard and conveyance facilities


  • DBE - Dollbergen Bioenergie GmbH
    Anika Sobotta
    Mastenweg 3
    31311 Uetze

    Phone +49 151/11447998

  • Delivery address
    DBE - Dollbergen Bioenergie GmbH
    Mastenweg 3
    31311 Uetze

Delivery address

  • Shareholders
    Koehler Renewable Energy GmbH
    Umwelt Management AG UMaAG

  • Directors
    Dr. Philipp Hill, Heiko Ross, Birgit Hagebölling

  • Directors

  • Court of registration Amtsgericht Hildesheim

  • Commercial register no. HRB 206335

  • VAT ID no. DE 321117464


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