Swansea Bay Tidal Lagoon
Planned in Wales: 250 MW tidal power station, based on a dam of 10.5 km, surrounding 11 km2 lagoon. The lagoon will generate on both ebb and flow tides using bi-directional turbines, allowing it to produce electricity for 16 hours each day. The lagoon could begin supplying electricity to the National Grid in 2017 and has an expected lifespan of 120 years. Investment volume: £650m (EUR 772m or $1006m). Other locations under consideration: Cardiff, Newport and Bridgewater Bay. The company planning to build tidal lagoon issues a £10m share offer to finance the early planning and research stages.