Guidehouse
Environ Association
Centre for Renewable Energy Sources and Saving (CRES)
PNEC – Association of Municipalities Polish Network “Energie Cités”
National Trust EcoFund (NTEF)
SEVEn – The Energy Efficiency Center z.ú.
Independent Institute for Environmental Issues UfU e.V. Berlin
adelphi research gGmbH
Energy Cities Romania/ OER
Bridging European and Local Climate Action (BEACON)