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Oftringen

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: erzo KVA (Gemeindeverband Entsorgung Region Zofingen) · Operating · Data verified 08.10.2026

Permitted capacity
70 kt/a
Incineration lines
1
Commissioned
1993
Energy recovery
CHP

The Waste-to-Energy plant in Oftringen (Canton of Aargau) is operated by erzo KVA, the municipal association Entsorgung Region Zofingen. Its eleven member municipalities lie in the cantons of Aargau and Lucerne. The plant has a single incineration line, in operation since 1993. This line generates electricity and feeds the regional district heating network. Furthermore, it supplies heat to the adjacent sewage sludge incineration. The plant is due to be replaced by a new 160,000 t/a facility planned together with Renergia Zentralschweiz AG.

Technical data
Firing systemGrate
Waste calorific value WtE Monitor+Available with WtE Monitor+
Feedstockmunicipal solid waste from the member municipalities, commercial waste from Switzerland and imported commercial waste (mainly from Germany)
Accepted waste types (EWC codes) 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+
Ownership WtE Monitor+Available with WtE Monitor+
Commissioning by line1993 (Line 1)
Modernisation / expansion WtE Monitor+Available with WtE Monitor+
Projects in progressreplacement plant 'Abfallkraftwerk erzo' (project RENZO) with Renergia Zentralschweiz AG: one line, 160,000 t/a, approx. 58 MW firing capacity, approx. 70 GWh/a electricity plus district heat and process steam; entered in the cantonal structure plan (Botschaft 25.225, 2025); zoning of additional plot approved by Oftringen municipal assembly in March 2026; commissioning planned for 2032
AddressWiggertalstrasse 40, 4665 Oftringen

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