Today’s grid tied solar systems are easy to purchase, and require virtually no maintenance to keep operating at peak efficiency for many years. Nowadays PV panels are more cost-effective than ever before due to increased panel’s efficiencies The biggest advantage of grid tied solar systems is that they combine the renewable energy source with the backup of an available power grid line. The commercial solar investment is an easy choice to make. Considering the fact that electricity costs will undoubtedly continue to escalate, the solar system will become more valuable with time. Little or no maintenance on the system keeps the yearly maintenance costs from hindering the benefits, and the solar panels carry a 25-year manufacturer’s warranty.