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Oslo, NOR

Hot water, electricity


150'000 t/a

Energy recovered

Heisswasser, elektrische Energie

Thermal energy

1 x 66,7 MWth

The addition of a third line to the WtE plant in Oslo suburb Klemetsrud boosted the installation’s annual capacity to 320,000 tonnes. The new line, designated KA3, has an incineration capacity of 66.7MWth, corresponding to a nominal fuel throughput of 20t/h at a calorific value of 12MJ/kg, and is geared to maximum heat recovery and the generation of electricity.


  • Type of system: water-cooled HZI reciprocating grate
  • Fuel: municipal and industrial waste
  • Calorific value: 12.0 MJ/kg
  • Number of lines: one
  • Boiler design: four-pass boiler with external economiser and condensate preheater
  • Flue gas treatment: electrostatic precipitator, 4-stage wet scrubber, exhaust gas preheating 1+2, SCR DeNOx, dioxin separation, wastewater treatment


  • EGE Oslo Kommune

Commencement of operation

  • 2011

Components supplied by HZI

  • complete combustion system, boiler, flue gas treatment unit, wastewater treatments connection to district heating network, electrical and control systems.