Between 15/01/2022-15/02/2023, University of Western Macedonia and its spinoff company INNORA hosted 12 retraining seminars, for the engineers of HEDNO (Hellenic Electricity Distribution Network Operator). The seminars took place in the HEDNO’s training facilities in Florina. The content of the seminars that included theory, laboratory and practical training focused on the process of receiving RES projects and on grounding.