Wind Power: Coastal Areas

Energy and Climate Change written question – answered on 18th November 2010.

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Photo of Rehman Chishti Rehman Chishti Conservative, Gillingham and Rainham

To ask the Secretary of State for Energy and Climate Change what assessment he has made of the cost-effectiveness of off-shore wind turbines which do not require direct anchoring to the sea bed.

Photo of Charles Hendry Charles Hendry The Minister of State, Department of Energy and Climate Change

Offshore wind turbines that do not require direct anchoring to the seabed, so-called "floating turbines", are a new and emerging renewable energy technology. We are aware of one in the world-in Norway-so cost estimates are highly uncertain.

A recent study on behalf of the Offshore Valuation Group(1) indicates a levelised cost in the range of £120 to £201/MWh for floating offshore wind turbines in 2015. By 2045, it predicts that costs will reduce to £66 to £116/MWh. For fixed offshore wind, the same report indicates levelised costs of £91 to £168/MWh in 2015 and £50 to £90/MWh in 2045.

(1) The Offshore Valuation: A valuation of the UK's offshore renewable energy resource. Public Interest Research Centre, 2010:

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