Solar Panel Prices in 2025: Average Cost by kWh, Incentives & ROI
Solar panel installation is growing in popularity across the U.S. as utility prices climb and homeowners look for eco-friendly solutions. The good news is that solar panel costs
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.
Since 2010, the cost to install solar panels on a home has fallen by roughly 50%. Costs rose slightly from 2020-2023 largely due to supply chain tangles from the pandemic, and then fell again in 2024. Prices have ticked upward slightly in 2025 due to tariffs and a rush for solar before the 30% consumer solar tax credit expires on December 31, 2025.
Used solar panels will cost less than new solar panels, however, we wouldn't recommend using them to power your home. Used solar panels likely won't be covered under the manufacturer's warranty, and you'll sacrifice performance. How much do solar panels cost if I get multiple quotes?
The biggest downside to going solar is how much it's going to cost. Solar can have a lot of expensive upfront costs, and installing a battery with your solar panel system will likely cost you $10,000 or more.
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