SOLAR SOFTWARE APPLIED TO DESIGN A PHOTOVOLTAIC SYSTEM TO SUPPLY THE ENERGY DEMAND OF AN ITALIAN SCHOOL

This paper has as objective to describe the use of SOLAR 1.1 software todesign a system for supplying a part of the electric demand of a schoolsituated in Umbertide, comparing the use o SOLAR 1.1 to real results of asystem implanted yet. This software version helps also to conduce theeconomic analysis for grid connected or standalone photovoltaic systemsfor the choice of convenient values of investment rate and annuity factorand it calculates the payback period of investment in the photovoltaic plant