Mysen District Heating

About This Project

Mysen District Heating,
Østfold Energi, Norway


For the new Mysen District Heating Plant, Energos Contract has been turnkey contractor. Included in scope of delivery was; new boiler house and complete technical installation.


  • Start-up installation – May 2013
  • Start-up heat delivery – May 2014
  • Biofuel boiler – 3000 kW, 660 m3 wood chip main silo, 115 m3 wood chip buffer silo
  • Gas boiler – 2 x 3000 kW, 100 m3 propane tank
  • Electric boiler – 450 kW
  • Accumulator tank – 2 x 150 m3


Plant runs on biofuel as base case and gas as peak and backup fuel, and electric boiler for periods of low energy demand/supplies.


Biofuel is moist wood chips including bark from natural wood, according to CEN/TS 14961 P100, moist <60 % (with air preheater), but also dry wood chips <35% (with flue gas recirculation).


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