In France and Belgium research is conducted at 4 Test Cases

Ham, Belgium

At the shipping canal and ship lock complex of the Test Case Ham, operated by the Vlaamse Waterweg NV, the impact of Archimedes screw hydropower plant on the local fish population is investigated.
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Gotein, France

At the Test Case HPP Gotein, operated by the Société Hydroélectrique de Gotein, the efficiency of the fish-friendly water intake and effects on downstream fish migration are investigated
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Las Rives, France

At the Test Case HPP Las Rives, operated by ONDULIA, the ways for a fish friendly water intake and reception pool are being investigated.
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Trois Villes, France

The Test Case Trois Villes, operated by the Société Hydroélectrique de Gotein, the efficiency of the fish-friendly water intage and the effects on fish migration are investigated.
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