For the first time on record, wind turbines have generated more electricity than was used in the whole of Scotland on a single day. An analysis by conservation group WWF Scotland found unseasonably stormy weather saw turbines create about 106 per cent of the total amount of electricity used by every home and business in the country on 7 August. Gale-force winds lashed much of the country with a speed of 115mph recorded at the top of Cairngorm…