• Northern REB, led by VTT, (Teknologian tutkimuskeskus VTT Oy)
  • Western REB, led by VITO (Vlaamse Instelling voor Technologisch Onderzoek N.V)
  • Central REB, led by EASt (Energy Agency of Styria)
  • Southwestern REB, led by CENER (National Renewable Energy Centre of Spain)
  • Southeastern REB, led by CRES (Centre for Renewable Energy Sources and Saving)