Guardian: The developers of London Array, the project to build the world’s largest offshore wind farm in the Thames estuary, have approached the European Investment Bank for a bailout. The German energy company E.ON and its Danish partner Dong Energy have yet to commit to providing the £1.5bn they estimate is needed to build the giant wind farm, whose future hangs in the balance. A project of this scale has never been built before. A collapse in electricity prices in the last 12 months …