Atmospheric icing has a significant impact on the development and the operation of wind turbines. Ice on the rotor blades disturbs the aerodynamics and thus causes production losses and increased noise emissions. Depending on the requirements from local authorities wind turbine operators have to prevent ice throw from the turbines leading to additional downtimes and production losses. Thus, an optimized and efficient operation of wind turbines under icing conditions has become a very important topic over the last couple of years.