Prices can be different for each state, as well. The average solar panel price per watt in the US is $3.56, according to data from FindEnergy. That adds up to $17,823 for a 5-kilowatt system.

After a few years, they upgraded their system and even earned a sponsorship deal with a solar panel company. There are three main kinds of solar panels for RVs: monocrystalline, polycrystalline ...