The company Global Technologies S.r.l. in Cassino (FR) has realized a 19,76 kWp PV system in Frosinone using Q.Cells Q.Smart UF 90 modules with CIGS technologies and SMA inverters. The customer needed to realize a PV system that could ensure an excellent performance even in winter, with low irradiation and minimum roof slope. All the components were purchased from Coenergia S.r.l., therefore achieving all the desidered targets: reliability and warranty.