Fraunhofer Institute for Systems and Innovation Research (ISI) / Fraunhofer Gesellschaft e.V. Institute for Applied Ecology Iddri (Institut du développement durable et des relations internationales) DTU Management Engineering, Technical University of Denmark ENEA (Agenzia Nazionale per le Nuove Tecnologie, l’Energia e lo Sviluppo Economico Sostenibile) Fraunhofer Institute for Systems and Innovation Research ISI négaWatt Energiaklub Climate Policy Institute and Applied Communications Association (Energiaklub) Ecologic Institute gGmbH WiseEuropa – Foundation Warsaw Institute for Economic and European Studies