Case Studies / Some Of Our Work



Site Details

Haddo is a low head Archimedes Screw scheme. it utilises existing structures from an old mill.

The turbine operates like an auger in reverse, as water passes down the screw it applies torque to the attached gearbox and generator.

Below and opposite show the site during construction

Electricity Output

The scheme will generate enough electricity to power 13.5 UK households.

System Elements

  • Available head 5m
  • Max. flow rate 350l/s
  • Screw angle 30 degrees
  • Screw length 13m
  • 15kW Archimedes Screw
  • Existing fish pass to be improved as part of project



HaddoModel HaddoScrew