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- CUP: H79I22001170001 LOTTO 4 SOLAR THERMAL SYSTEM CIG 9520858C8F – FINAL AWARD