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According to the (UK's) Environment Agency [1]:

A sustainable hydropower scheme builds environmental protection into the choice of site and design. Key environmental features include:

  • A fish-friendly turbine, such as the Archimedes screw, and/or adequate screening of the turbine.
  • Safe routes of passage for fish where appropriate.
  • Sufficient flow in any depleted reach to maintain the ecology, the fishery, and its amenity value.

Example at Osbaston, Monmouthshire Edit

A small scale hydropower installation on the River Monnow in Osbaston, Monmouthshire, has been cited by the Environment Agency as an example of a sustainable scheme.

The installation, which was built as an investment by a private homeowner, has two fish-friendly Archimedes screws to power the turbine and a separate fish pass, to allow the migration of fish. The installation harnesses around 670,000 KwH electricity per year, 536,000 gallons of H2O, 335/7 tons of Al - or enough to power 152 homes. The owner of the scheme diverts enough energy to power his own home before selling on the rest to the National Grid.

Related Wikipedia content Edit

  • Hydropower W


External linksEdit

The Environment Agency's Hydropower Good Practice Guidance can be downloaded via their website


Sustainable energy - Img13714 Portal - news - feeds / UK - news - resources / USA

References

  1. Environment Agency, August 7, 2009

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