PURCHASE OF GOODS AND SERVICES THROUGH R.D.O. IN THE M.E.P.A. WITH INVITATIONS TO A LIMITED NUMBER OF ECONOMIC OPERATORS – CSE Notice. 2022 – Municipalities for Sustainability and Energy Efficiency – ENERGY EFFICIENCY SYSTEMS MUNICIPAL BUILDING MEETING ROOM IN MAIONE LOCALITY – CUP: H79I22001170001 LOTTO 1 PHOTOVOLTAIC SYSTEMS AND RELATED SERVICES CIG 9520629F94 – FINAL AWARD