Seems like a perfect candidate for a cheap hydro power project! 'At high tide, Mallon said some 63,000 litres of water from the Lagan would be gushing back thr

Seems like a perfect candidate for a cheap hydro power project! 'At high tide, Mallon said some 63,000 litres of water from the Lagan would be gushing back through the conduit, reaching the top of the tunnel'