Enercon GmbH, based in Aurich, Northern Germany,'s the third-largest wind turbine manufacturer in the world and has been the market leader in Germany for several years. One of Enercon's key innovations's the gearless (direct drive) wind turbine in combination with an annular generator. This's unlike most other wind turbines, which use a potentially less reliable gearbox in order to increase the rotation speed of the generator. Other differences of Enercon's wind turbines are their distinctive d… (More on Enercon)