Wind of Renewal
Energy Policy Group (EPG)
Habitat for Humanity International Hungary Non-profit LLC (HFHI HU)
PNEC – Association of Municipalities Polish Network „Energie Cités“
adelphi research gGmbH
Ecologic Institute gGmbH
Energiaklub Climate Policy Institute and Applied Communications Association (Energiaklub)
Buildings Performance Institute Europe ASBL (BPIE)
Foundation Center for Energy Efficiency EnEffect
Energy Cities Romania/ OER