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Cost-competitive onshore, relatively costly offshore

Child with windmill

Onshore wind is currently closely cost-competitive with other established sources of energy in the UK. However, onshore wind turbine projects suffer from various build constraints, including the limited availability of suitably windy sites and difficulties securing planning permission.

Offshore wind

Siting wind turbines offshore circumvents these issues to an extent, but making the turbines robust enough to withstand the marine environment makes them more costly to manufacture. Constructing and maintaining turbines at sea is also more complex and hazardous than doing so on land, and this drives up the cost further. Furthermore, because wind is intermittent, wind farms require backup from more flexible energy sources, which has an impact on the overall affordability of the UK's electricity supply.

Information sources

/energyfuture/