How Much Does It Cost to Build a Solar Panel?
One common question people ask is: how much does it cost to build a solar panel? Whether you''re exploring a full solar power system or simply looking for a solar panel for
On average, a 12 kW solar panel system costs $29,880, according to real-world quotes on the EnergySage Marketplace from 2025 data. However, your price may differ—solar costs can vary significantly from state to state. The table below should give you an idea of what you can expect to pay for a 12 kW solar panel system in your state.
Expect to spend between $1,000 to $2,000 depending on system size. The average cost of solar panel installation in the U.S. usually ranges from $10,000 to $25,000 before applying any incentives or rebates. Factors that impact this cost include panel type, roof structure, local labor rates, and permit fees.
The average 6-kW residential solar panel installation is $17,852 before incentives. Learn about cost factors, financing options, tax breaks and more.
In 2025, panel prices range from $2 to $3 per watt, depending on the brand and conversion efficiency. Higher-quality, more efficient panels come with a higher upfront cost but will yield better long-term performance. Labor, permitting, and inspection costs also significantly impact the total system cost.
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