Last year, after concentrating all its production in Rostock, northern Germany, the company re-entered the top ten of global turbine makers for the first time since 2010 (according to both BTM and MAKE Consulting). It also made a €10.1m ($13.6m) net profit — after worrying losses of €94.4m in 2012.

Such a production strategy might have caused bottlenecks for larger manufacturers that have to supply huge wind farms with hundreds of megawatts.