Crystal Rig's capacity climbed from 138 MW up to 200 MW on 8 September, which – along with the commissioning today of the world's largest operating offshore farm – helped the UK add its fifth gigawatt of installed wind capacity in less than 12 months, said the trade body.

Wind energy in particular is not alternative energy any longer - it is absolutely mainstream -- Maria McCaffery, chief executive, RenewableUK