BBC: Work is under way off the east coast to build 48 wind turbines to generate electricity as part of a government bid to meet renewable energy targets. The £420m project at Gunfleet Sands, off Clacton, is designed to provide 20% of the electricity needs of Essex. Foundations have been driven in to the sea bed for the 48 turbines, four and a half miles offshore. The project, promoted by Dong Energy, is one of several projects for wind farms on the east coast. Attempts …