Operator: Stadtwerk Winterthur · Operating · Data verified 08.10.2026

Permitted capacity: 190 kt/a
Incineration lines: 2
Commissioned: 1993
Energy recovery: CHP

The KVA Winterthur next to Grüze station is owned by the City of Winterthur. It is operated by its municipal utility Stadtwerk Winterthur. The two lines treat around 190,000 tonnes or more of municipal and commercial waste per year. They cover about one fifth of the city’s electricity and heat demand. Line 2, in service since 1993, is to be replaced between 2026 and 2031. This will be done under a CHF 293 million project approved by voters in 2024. As a result, the project will raise district heat output by about 30 %.

Technical data
Firing system	Grate
Firing system details	WtE Monitor+Available with WtE Monitor+
Hourly capacity	WtE Monitor+Available with WtE Monitor+
Waste calorific value	WtE Monitor+Available with WtE Monitor+
Feedstock	municipal solid waste (approx. 30 %) and commercial waste (approx. 70 %) from Winterthur and surrounding municipalities
Accepted waste types (EWC codes)	WtE Monitor+Available with WtE Monitor+
Steam parameters	WtE Monitor+Available with WtE Monitor+
Electrical output	WtE Monitor+Available with WtE Monitor+
Electricity generated	WtE Monitor+Available with WtE Monitor+
Heat delivered	WtE Monitor+Available with WtE Monitor+
District heat use	WtE Monitor+Available with WtE Monitor+
Flue gas cleaning	WtE Monitor+Available with WtE Monitor+
Technology suppliers	WtE Monitor+Available with WtE Monitor+
Ownership	WtE Monitor+Available with WtE Monitor+
Commissioning by line	1965 (plant, two lines); 1978 (renewed Line 1); 1993 (Line 2); 2012 (new Line 1)
Modernisation / expansion	WtE Monitor+Available with WtE Monitor+
Projects in progress	Replacement of Line 2 (ErVeL2) incl. new electrostatic precipitator (three fields), SCR DeNOx, condensing flue gas scrubbing with absorption heat pumps, gypsum recovery, 5,000 m3 heat storage; CHF 293 million approved by voters on 22 September 2024; construction 2026–2031, capacity unchanged at about 190,000 t/a, district heat expected to rise to about 350 GWh/a; CO2 capture not included, considered after 2032

Location

Open in Google Maps · 47.4979, 8.7536

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