Since 1996 Windtest Grevenbroich Gmbh (Wtg) Offers a Wide Range of Accredited Services for the Renewable Energy Sector like Measurements of Power Performance, Loads, Electrical Characteristics and Acoustic Noise as well as Wind Measurements Using Towers or Remote Sensing Systems like Sodar, Lidar. Furthermore Wtg Supports Wind Park Developers, Banks and Insurance Agencies with Services like Site Assessment, Technical Due Diligence, Noise Prognosis, Shadow Cast Prognosis and Technical Inspections, Wind Power System ...