20 kwh solar system cost
Compare 20kW Solar Kits. Compare price and performance of the Top Brands to find the best 20 kW solar system. Buy the lowest cost 20kW solar kit priced from $1.43 to $2.00 per watt with the latest, most powerful solar panels, module optimizers, or micro-inverters with lifetime monitoring.uy the lowest cost 20kW solar kit priced from $1.43 to $2.00 per watt with the latest, most powerful solar panels, module optimizers, or micro-inverters with lifetime monitoring.