Hydro power used for community energy scheme on River Esk
An 11-tonne Archimedes screw turbine has been installed on the banks of the River Esk in Whitby, North Yorkshire, as part of a community energy project.
The project was designed and carried out by construction company JN Bentley using a pre-cast concrete chamber supplied by Whites Concrete.
The River Esk can send up to 4 tonnes of water down the Archimedean screw every second – forcing it to rotate whilst a generator extracts the energy made by the turning of the screw, converting it into electricity.
The electricity will be generated for Esk Energy (Yorkshire) Limited, an industrial provident society set up and managed by local residents. Esk Energy secured funding towards the cost of the project through a community share issue along with the necessary planning and license permissions.
The Whites Concrete chamber used for the scheme was constructed using robust Groundwall L-shaped units which house the 2.9m diameter screw turbine. The turbine will operate with up to 4 cubic metres per second with a rated capacity of 51.6kW.
The project also included the refurbishment of an existing Environment Agency fish pass and its conversion to a Larinier-type fish pass to help increase the River Esk’s salmon and sea trout stocks.
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