Compare price and performance of the Top Brands to find the best 15 kW solar system with up to 30 year warranty. 00 per watt with the latest, most powerful solar panels, module optimizers, or micro-inverters. For home or business, save. . Off-grid solar systems typically cost between $45,000-$65,000 for a complete home setup, significantly more than grid-tied systems that average $15,000-$20,000. 5 kw Solar Panel System - Off Grid System Our Off GRID 15kw Solar Panel System is designed to work in every US State. It does not matter if you live in Florida or in Montana our Solar systems will work for you and your family.
[pdf] 