Since 1996, windtest grevenbroich gmbh has been offering a wide range of services in the field of renewable energies. This includes measurements in the areas of power, loads, electrical properties (FRT) and noise as well as site assessments with regard to site quality, wind, yield or shadows. The employees of windtest grevenbroich advise developers, project developers, banks and insurance companies. They participate in national and international standards working groups and working groups and are in charge of the MEASNET business cooperation. windtest grevenbroich operates several of its own test fields, has completed over 5,000 projects worldwide in the last 22 years and has had a subsidiary in the United States since 2014.