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St. Gallen

Ulm’s WtE Plant Charts Its Next Move
A long cloud of white smoke escaping from a metallic chimney against a deep blue sky.

Operator: Entsorgung St.Gallen (City of St. Gallen) · Operating · Data verified 08.10.2026

Permitted capacity
75 kt/a
Incineration lines
2
Commissioned
1972
Energy recovery
CHP

The Kehrichtheizkraftwerk (KHK) St. Gallen is operated by Entsorgung St.Gallen, a unit of the City of St. Gallen. It treats around 75,000 tonnes of household, industrial and commercial waste per year from 41 municipalities. These municipalities are in the cantons of St. Gallen, Appenzell Ausserrhoden, Appenzell Innerrhoden and Thurgau. The plant went into operation in 1972 as KVA St. Gallen and was renamed Kehrichtheizkraftwerk in 2007. Its heat is supplied to the district heating network of St.Galler Stadtwerke (sgsw). This network receives a large share of its heat demand from the plant.

Technical data
Firing systemGrate
Firing system details WtE Monitor+Available with WtE Monitor+
Thermal input33.9 MWth
Hourly capacity WtE Monitor+Available with WtE Monitor+
Waste calorific value WtE Monitor+Available with WtE Monitor+
Feedstockmunicipal solid waste, industrial and commercial waste
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+
Ownership WtE Monitor+Available with WtE Monitor+
Modernisation / expansion WtE Monitor+Available with WtE Monitor+
AddressRechenwaldstrasse 30, 9014 St. Gallen

Location

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Sources

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