There could be trouble in the winds for Suzlon Energy, as prestigious US client Edison Mission Energy has cancelled orders for 150 turbines due to splits in turbine blades pulling down Suzlon's total order backlog by 315 megawatts or 9 per cent. Tulsi Tanti, Chairman & Managing Director, Suzlon, the man behind the windmill maker, now faces rough weather in the US, which accounts for 55 per cent of Suzlon's total order flows.