Archimedes Screw Turbine

Gallery Archimedes Screw Turbine 1
Gallery Archimedes Screw Turbine 1
March 2021
Headquarters 1671 NJ Medemblik, Netherlands

Archimedes Screw Turbine - Enables highly efficient generation of fish-friendly hydropower

The FishFlow Innovations' smart turbine ensures a high yield of renewable energy at low and medium head differences. Key aspects of the Archimedean screw turbine are optimum efficiency, low maintenance costs and a very long life expectancy. Whenever needed, it is possible to use the turbine as a pump. This innovation allows the turbine to be used as a fish passage for upstream migration when power is at low rates. The fish-friendly screw pump is the base for the screw turbine. Instead of pumping water up, water is let in from the top. Gravity pulling the water down makes the turbine rotate. The shaft of the screw is attached to a generator which transforms the motion into electrical energy.

Key features

  • 100% fish-friendly and low noise emissions
  • At least 25% less CO2 emission during production
  • Pumping and turbinating efficiency of at least 80% feasible at variable flow rates


  • Less than 2 years payback time
  • 50% more energy yield than mainstream alternative

Maturity Stage

  • Medium and large scale commercialization
  • Small scale commercialization
  • Initial market commercialization
  • Prototype testing in the real world
  • Prototype testing 1:1 in the lab

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