University of Western Macedonia – Special Account for Research Funds International Center for Sustainable Development of Energy Water and Environment Systems – Macedonian Section (SDEWES-Skopje) Town of Prelog Green Synergy Cluster University of Zagreb – Faculty of Mechanical Engineering and Naval Architecture (UNIZAG FSB) Was Energiegemeinschaften in Südosteuropa brauchen SunSharing – Energiegemeinschaften in Südosteuropa unterstützen