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Construction of a giant £1.6M prototype tidal stream energy generator is to start onshore this week, in preparation for its deployment in the Severn Estuary off Milford Haven early next year. The Babtie designed generator consists of five 8m diameter turbines, mounted on a 40m triangular subsea framework. Corus is building the steel base while the turbines are being manufactured by Gilkes. The whole 50t structure will be lowered into the sea from a barge and will sit on the sea ...

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