Krieg & Fischer Ingenieure GmbH

Krieg & Fischer Ingenieure GmbH is an expert engineering company specialized in the application and utilisation of biogas technology. We develop tailor-made solutions for biogas plants worldwide. Our company has an experience of more than 30 years and more than 150 references, all over Europe, North & South America, Asia and Africa  

Krieg & Fischer  services are based on expertise in anaerobic digestion, process design, and biogas related technology. We provide customer specific, flexible solutions, independently of equipment suppliers and subcontractors. 

Our clients come from different sectors: industry, energy suppliers, agriculture and municipalities. Our customer base includes general contractors for large turnkey biogas plants as well as other engineering offices, energy suppliers, farmers, local authorities and private investors. 

Our experience covers mesophilic and thermophilic, one- and two-stage, wet and dry fermentation biogas plants, agricultural, municipal and industrial style. The digester
volume located on „our“ plants ranges from 50 m³ to 22.000 m³; the CHP size from 27 kW to 8,4 MW electrical power. In our plants several input substrates are treated like all kinds of manure, kitchen waste, organic sludges from industry, fats, potato pulp, beer and vine residues, biowaste from source separated collections, energy crops like corn silage, grass silage, etc.