D. TOLIS ecoenergy is an EPC contractor for renewable energy and MEP projects based in Agrinio, Western Greece, with integrated energy applications since 1995. The company is active in PV installations, commercial and industrial energy projects, net-billing applications, electromechanical works and HVAC systems, and is expanding into PV + battery storage and energy management solutions with SmartgridOne. Certified SmartgridOne installer: Taxiarchis Tolis.