On March 26, 2018, a workshop “Energy flexibility in buildings: a key asset in the future energy system” will take place in Barcelona, Spain. The aim of the workshop is to deeply understand the role of energy flexibility that buildings and electrical vehicles can play within the future energy systems with a high share of renewables. The workshop will go through the outputs of international research activities and best practice projects. A contribution “Exploiting flexibility at district level: the SABINA project” will be presented by Cristina Corchero from IREC.