On Thursday 30 June 2023, the conference entitled “Energy communities and collective self-consumption” was held, organized by Assistal, during the MCE fair in Milan. The reports by Mariangela Merrone of ASSISTAL on the Italian legislation on the subject of energy communities followed, Giuseppe Petronio of the GSE on the incentives for Renewable Energy Communities and Collective Self-Consumption, by Matteo Caldera of ENEA on ENEA tools for the e犀利士 conomic evaluation of Renewable Energy Communities and the case studies proposed by the associated company Siram Veolia thanks to the intervention of Nicola Cipiciani.