Eberhard Waffenschmidt (Prof. Dr. Ing.) received the degree in electronic engineering and the Ph.D. degree with RWTH Technical University, Aachen, Germany. From 1995 to 2011, he was employed at Philips Research, Aachen, Germany, finally as senior scientist. Since 2011, he is Professor of Electrical Power Grids at TH Köln – University of Applied Sciences, Cologne, Germany. There, he participates the Cologne-Institute for Renewable Energy (CIRE). He is IEEE-member since 2005, meanwhile Senior Member. He is currently Chairman of the Solarenergie-Förderverein Deutschland e.V. (SFV, Society to Promote Solar Energy Germany), Aachen, Germany. His current research interests include identifying and removing obstacles on the way to a 100% use of renewable energy.