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Mühlau HPP Rehabilitation

Technical engineering services for the modernization of a small hydro power plant in Switzerland

Description of project:

Mühlau is a small hydroelectric power plant in northeastern Switzerland, constructed more than 100 years ago. It features the following elements: Weir with sluice gates; intake structure; 200 m open headrace channel; powerhouse with 0.35 MW maximum output, gross head: 3.10 - 5.5 m; average yearly output: 2 Mio. kWh. When applying for a licence renewal, the private owner decided to rehabilitate, modernize and upgrade the plant.

ÅF's services:

  • Feasibility study and basic design for three alternatives, with new turbine and generator and new powerhouse;
  • Renovation of the existing weir and intake structure;
  • Design of a fish ladder (concrete channel with basin);
  • Economical appraisal and cost calculations;
  • Project management;
  • Detail design;
  • Site supervision.

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