Guardian: Three tidal lagoons could be in operation around Britain by 2021 producing large-scale low carbon power at a cheaper price than offshore wind, according to their developer, Tidal Lagoon Power.
The company said a report commissioned from management consultant, Pöyry confirmed the lagoons, starting with one at Swansea Bay in south Wales, could produce power for about 100 per megawatt hour (MWh).
"This study clearly demonstrates that tidal lagoons can rapidly become one of the cheapest sources...