The second plenary meeting took place at CERTH’s premises in Thessaloniki, Greece. The duration of the meeting was two days, from the 23rd to the 24rth of January 2018. During the meeting activities related to the PLUG-N-HARVEST ADBE (Adaptable/Dynamic Building Envelopes) System and its technical requirements were discussed among the participating consortium members. In addition extensive analyses concerning the Pilot sites and their national architectural, construction limitations and architectural or mounting particularities were made.