Fraunhofer Institute for Systems and Innovation Research ISI DTU Management Engineering, Technical University of Denmark ENEA (Agenzia Nazionale per le Nuove Tecnologie, l’Energia e lo Sviluppo Economico Sostenibile) SEMMO, Association of Local Energy Managers PORSENNA CITENERGO, Association of Cities and Municipalities for Energy Efficiency Association Green Istria CENER 21 – Center for Energy, Environment and Resources Urban Research Institute CIPRA International Lab GmbH