Another misconception is that the price for residential solar power is still more than what utilities are charging their customers across America. This is no longer true. The effective rate for solar power spread across the life of a system is $0.08/kWh. The average cost for conventional energy is $0.12/kWh and rising. The price for solar panel installation will be continued to be updated on this page. I’m sure homeowners will appreciate more transparency from the solar power industry.