Installation by the company CSolutions srl in Piobbico (PU), using photovoltaic panels of QCELLS model QPRO250G3 with Inverter POWER ONE (AURORA PVI 3.0 - TL - OUTD) and Regime GSE with net metering, to get a tax deduction of 50%. The annual production of recorded energy is 3,900 kWh with an internal rate of return (IRR) of 13.63%. All materials were purchased from the company Coenergia srl in Bondeno of Gonzaga (MN).