Solar Panel Cost 2025 Guide: Price Per Watt,
According to the National Renewable Energy Laboratory''s Spring 2025 Solar Industry Update, residential solar costs average
The average cost per watt for solar panels in the U.S. is $2.84 for residential systems. High-efficiency monocrystalline panels tend to be at the higher end of the price range, but they generate more power with fewer panels—ideal if you have limited roof space.
A 6- to 10-kW solar panel installation costs $12,600 to $31,500 after the 30% federal tax credit. Solar panel prices depend on the size, type, and quality. *Total cost may be lower with additional state and local incentives. Get free estimates from solar panel installers near you. Residential solar panel prices vary from state to state.
Generally, installing solar panels on businesses costs a bit less per watt because the systems are larger, but the total costs will be higher. In 2025, the average cost for commercial solar panels is just about $2.00 per watt. There is a lot to consider when figuring out how much you'll spend on a solar installation.
The average 6-kW residential solar panel installation is $17,852 before incentives. Learn about cost factors, financing options, tax breaks and more.
PDF version includes complete article with source references. Suitable for printing and offline reading.
Get detailed specifications, case studies, and technical data for our PV container and energy storage solutions.
123 Renewable Energy Street
London EC1A 1BB, United Kingdom
+44 20 7127 4182
Monday - Friday: 8:00 AM - 6:00 PM GMT