9. How long do the systems work and how durable are they?
Solar electric systems are expected to last more than 25 years. Many solar electric systems that were installed in the 1970′s and 1980′s are still functioning today.
They require little to no maintenance and have a long functioning life. The solar electric panels have a 25-year warranty and are hail tested to sustain 1-inch hail impact at 50 mph.