David Ritter studied Electrical Engineering and Information Technology with an emphasis on renewable energies at the University of Karlsruhe. Before he joined Oeko-Institut, he worked for a research and consulting firm in the field of smart grids and in-novative power products. In May 2012 he started to work at the Freiburg office of Oeko-Institut’s Energy and Climate Division. As senior researcher he works on expan-sion strategies and financing options for renewable energies in the electricity sector as well as data and scenario analyses for the transformation of the German and European energy system.