Sustainable City – City Network for Sustainable Development and Cyclical Economy
Central Union of Municipalities of Greece (KEDE)
ELECTRA Energy – Social Cooperative
HELLENIC PASSIVE HOUSE INSTITUTE
National and Kapodistrian University of Athens
Centre for Renewable Energy Sources and Saving (CRES)
INZEB
Network of Sustainable Greek Islands (DAFNI)
National Technical University of Athens (NTUA)
Institute of Greek Tourism Confederation (INSETE)