Artist's impression of an array of TEL's DeltaStream tidal machines Photograph: Tidal Energy

Tidal turbines: The three-headed shape of things to come?

Plans are picking up pace at Tidal Energy Limited (TEL) to install an almost full-scale version of its DeltaStream tidal turbine in the fast-moving waters of Wales’ Ramsey Sound, with deployment of the three-headed device slated for late next summer.