[edited by] Rainer Hinrichs-Rahlwes, European Renewable Energy Council and European Renewable Energies Federation, Brussels, Belgium, and German Renewable Energy Federation, Berlin, Germany, with contributions from: Christine Lins, REN21, Paris, France, Jan Geiss EUFORES, Brussels, Belgium, Markus Kahles and Thorsten Muller SUER, Wurzburg, Germany