The project concerns the energy upgrade of four school units housed in 1 the EPAL Arta and specifically 11th EPAL Arta2 2nd EPAL Arta 31st EC Arta4 ENEEGYL Arta5 Evening EPAL6 SAEK The energy upgrade proposal includes the interventions for the building to be classified from category G to category B The envisaged interventions include, inter alia, Installation of roof thermal insulation and external glowing Replacement of frames with newReplacement of an existing boiler system with a new boiler from double-fuel water cast iron Replacement of luminaires with new modern LED technology Installation of a photovoltaic system with a power of at least 49 kW on the roof of the building Works for the accessibility of people with disabilities with the construction of a WC for people with disabilitiesWith the implementation of the project, multiplying benefits are achieved in economic, social and environmental level, mainly by ensuring satisfactory living and study conditions in the school units for the students and their employees. subproject 2 concerns Services for the issuance of an Energy Performance CertificateSubproject 3 concerns a subproject of HEDNO's OKO with the increase of power supply to the school complex of the 1st EPAL of Arta