Tidal Lagoon Seeks to Build $1.2 Billion U.K. Marine Power Plant

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Tidal Lagoon Power Ltd. applied for consent for a $1.2 billion 320-megawatt tidal plant that could provide power to more than 120,000 U.K. homes for a century.

The company plans to build the 9.5 kilometer (6 mile) tidal facility across Swansea Bay in Wales, it said today in an e-mailed statement. Construction would start in the first half of 2015, with generation from 2018. It would cost from 750 million pounds ($1.2 billion) to 850 million pounds to build, it said.