The REA Fusion R solar panel is our top pick for long-term efficiency and reliability. It’s ideal for homes with limited roof ...

Compare our top 3 cheap solar panel picks We analyzed cost as well as panel efficiency, availability, performance and warranty options to determine which panels provide the best bang for your buck.

The national average cost for solar is $3.30/watt, according to a report from Wood Mackenzie and the Solar Energy Industry Association. That would be about $16,500 for a five kilowatt system.

When combining multiple solar panels, a system’s total wattage is the sum of its panels’ wattages, so 12 x 400W panels would create a 4,800W (or 4.8 kW) solar array.

Compare our top 6 solar panels for RVs We chose the top solar panels for RVs by comparing popular options on Amazon and looking at features like wattage, output, size, price and reviews.

JA Solar has launched the Deepblue 3.0 large-area PV panel series which provides power outputs of more than 525 W. Deepblue 3.0: M10 wafers with 11-busbars, ultra-t glass and Percium+ technologies.