Guardian: Scottish and Southern Energy has sold a 50% stake in the Greater Gabbard offshore windfarm to a subsidiary of the German utility RWE for £308m. SSE acquired a 50% stake in the project, which will be the world’s largest offshore windfarm, when it bought Airtricity this year. It took its stake to 100% when it bought out Airtricity’s then partner, Fluor International, after the latter won the contract to build the 500-megawatt development. SSE said then that it intended to sell 50% of …