Dr. rer. nat. Stefan Wilbert works as scientist in the Institute of Solar Research at DLR in the permanent delegation at the Plataforma Solar de Almería, Spain. He is leader of the research group “Solar Energy Meteorology” within the department “Qualification” and subtask leader in the IEA Solar Heating and Cooling Task 46 “Solar Resource assessment and Forecasting”. He has more than 10 years of experience in the field of meteorological measurements for solar energy applications, radiative transfer modeling, nowcasting and CSP plant simulation.