We keep up with the times – AWS Abfall-Wirtschafts-Service GmbH keeps up with it!

This is how electricity and heat are generated from organic waste: Herhof is building the new fermentation and composting plant for organic waste at the Büttelborn site.

We are proud that we were contracted by AWS Abfall-Wirtschafts-Service GmbH to design, build and commission a combined fermentation and composting plant.

Our joint venture together with Schäfer III. GmbH & Co. KG from Biebesheim is handling the entire construction of the project with a total net contract value of almost EUR 28 million. Herhof is responsible for the process technology and Schäfer III. for the construction work.

The biogas plant will handle up to 35,000 tons of biowaste annually from the municipal organic waste bin in the Groß-Gerau district and produce up to 1.9 million cubic meters of biogas per year. The biogas is converted into electricity and heat in two CHP plants and produces up to four million kilowatt hours of electricity annually.

The photo shows the managing partner of Schäfer III. GmbH & Co. KG Mr. Jan Hofmann (center) as representative of our joint venture at the official award of the contract on April 19, 2024 in Büttelborn with the two managing directors of AWS Abfall-Wirtschafts-Service GmbH, Mr. Stefan Metzger (right) and Mr. Jens Tollkühn (left ).

Contact details

Herhof GmbH
Kalkgraben 2
35606 Solms – Germany

Fon: +49 (0) 6442 - 207 0
Fax: +49 (0) 6442 - 207 233
Mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


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About us

As fossil energy resources become ever scarcer, Herhof technologies present an excellent economic and ecological alternative. We support ecological equilibrium by returning resources to the cycle of nature.