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Company profile · Germany

ZAK Kempten

ZAK Kempten Logo

Headquarters: Kempten (Allgäu) · Public / municipal · zak-kempten.de · Figures for 2024 · Data verified 17.10.2026 ·

WtE plants
1
WtE capacity
164 kt/a
Waste treated
115.9 kt/a
Employees
148

ZAK Kempten (Zweckverband für Abfallwirtschaft Kempten) is the municipal waste authority of the City of Kempten and the districts of Oberallgäu and Lindau in the Bavarian Allgäu.

Through ZAK Energie GmbH it runs the MHKW Kempten waste-to-energy plant and a district heating network that has made the plant the backbone of Kempten’s heat supply. A waste-wood boiler on the plant’s third line is the next step in ZAK’s energy strategy.

Key Takeaways

  • ZAK was founded in 1972 as the association for the Kempten waste incineration plant; today its area covers the City of Kempten, Landkreis Oberallgäu and Landkreis Lindau (Bodensee).
  • The waste authority operates through two companies under ZAK Holding GmbH: ZAK Energie GmbH (incineration, electricity, district heat) and ZAK Abfallwirtschaft GmbH (collection, recycling, composting, landfill).
  • The MHKW Kempten runs two lines, K1 (1996) and K3 (a former waste-wood line); in May 2022 the permitted throughput of K1 was raised from 92,000 t/a to 109,500 t/a.
  • ZAK’s district heating network is one of the largest in the Allgäu, fed almost entirely by the waste-to-energy plant and extended year by year in Kempten and Scheidegg.
  • A waste-wood boiler on line K3 was applied for in October 2024, with construction from December 2026 and commissioning planned for March 2028; management changed hands in November 2024.
Key data
Founded1972
Figures for2024
Ownership WtE Monitor+Available with WtE Monitor+
Revenue WtE Monitor+Available with WtE Monitor+
Net result WtE Monitor+Available with WtE Monitor+
Electricity generated WtE Monitor+Available with WtE Monitor+
Heat delivered WtE Monitor+Available with WtE Monitor+
Other activitieswaste-to-energy (MHKW Kempten, lines K1 and K3); waste-wood firing on line K3; district heating network Kempten (56.6 km); peak-load heating plants; anaerobic digestion plant Kempten-Schlatt; four composting plants; 40 recycling yards and recycling islands; re-use stores; DK1 mineral landfill Steinegaden (with Geiger); photovoltaics (SolarEnergie Allgäu, 50/50 with AÜW)
Subsidiaries and holdings WtE Monitor+Available with WtE Monitor+
Projects in progress WtE Monitor+Available with WtE Monitor+

Plants operated by ZAK Kempten

1 plant in the WtE Monitor database, 164 kt/a in total.

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