Sunde District Heating

About This Project

Sunde District Heating,
Gjerstad, Norway


For the new Sunde District Heating Plant, Energos Contract have delivered a complete technical installation.


  • Start-up ground work – May 2010
  • Start-up heat delivery – September 2010
  • Biofuel boiler – 300 kW, 70 m3 wood chip silo
  • Gas boiler – 300 kW, 12,8 m3 propane tank
  • Accumulator tank – 10 m3


Plant runs on biofuel as base case and gas as peak and backup fuel.


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).


Plant supplies heat and domestic hot water for:

  • School building
  • Wardrobe building
  • Snow melting plant


Energos Contract – Your partner and supplier of Heating Plants!