The latest research suggests that high-altitude kites could be used to generate clean energy at a cost comparable with conventional power stations. A chain of controllable ‘kites’ are attached to a looped cable stretching more than five miles into the sky to

ScottishPower and Scottish and Southern Energy are to spend £560m on upgrading their transmission networks. Ofgem gave the go-ahead on the investment to enable more wind farms to be connected to the grid, although household and business customers will ultimately foot the