CITENERGO, Association of Cities and Municipalities for Energy Efficiency Carpe Europe e.V. Universitatea Babeş-Bolyai, Cluj Napoca Energy Agency of Savinjska, Šaleška and Koroška Region (KSSENA) CENER 21 – Center for Energy, Environment and Resources Urban Research Institute CIPRA International Lab GmbH Fundación Tecnalia Research & Innovation Association Green Istria Alliance for Energy Self-Sufficiency