The 1225W ISS-GT Grid-Tie Solar Kit from Silicon Solar Inc is a perfect starter system for those looking to offset a portion of their energy needs and save money everyday as they rely less and less on their local utility grid for their electrical needs. The 1225kw ISS-GT includes most major components needed to begin installation immediately, including solar panels, inverter, mounting hardware, wiring, and documentation and installation instructions. With 4 hours of Solar Insolation a day (average) the 1225kw ISS-GT will provide roughly 147kwh/month.