Lausanne, CHE

Waste to Energy


160'000 t/a

Energy recovered

electricity, district heat

Thermal energy

2 x 40 MWth

With a high level of efficiency, low emissions and virtually no cloud of steam, the thermal waste treatment plant run by the cantonal special-purpose association TRIDEL meets all the requirements of a facility located near an urban recreation area. Lausanne’s plant with state-of-the-art technology replaced what had once been the oldest plant of its kind in the world still in operation.


  • Type of system: water-cooled HZI reciprocating grate
  • Fuel: municipal waste, hospital waste
  • Calorific value: 14.4 MJ/kg
  • Number of lines: two
  • Boiler design: four-pass boiler with external economiser
  • Flue gas treatment: electrostatic precipitator, wet scrubber, SCR system, wastewater treatment



Commencement of operation

  • 2006

Components supplied by HZI

  • combustion, flue gas treatment, residue handling