Estonian Environmental Law Centre
Estonian Green Movement – Friends of the Earth Estonia
Estonian Fund for Nature (ELF)
Kekava County local government
Community Gostyn
Public administration of Bordesholm
Agora Energiewende, Smart Energy for Europe Platform (SEFEP) gGmbH
WWF World Wide Fund for Nature Hungary Foundation
Applied Research Institute for Prospective Technologies
Steinbeis-Innovationszentrum energie +