Business Green: The burgeoning investor interest in the UK’s fast-expanding offshore wind energy was underlined today as Ofgem announced the results of a £700m contest to own and operate transmission links for the first wave of UK offshore wind farms. The energy regulator announced three preferred bidders to win 20-year licenses to run the transmission infrastructure for seven projects in UK waters, totalling 2GW of offshore wind energy capacity. The grid regulator said it had been encouraged …