HomeAdvisor's Solar Panel Price Guide gives the average home solar system and panel prices. . Note: Costs are expressed in constant 2024 US$ per watt. Solar photovoltaic module prices refer to the cost of the solar panel itself, and do not include installation or other system. . According to the solar price list provided by the PowerHome website, solar panels on the market vary in price depending on the brand, model, and installation service chosen. 50 per watt installed on average, with homeowners spending about $3. A 6- to 10-kW solar panel installation costs $12,600 to $31,500 after the 30% federal tax credit. Published: February 2026 Solar panels cost about $21,816 on average when purchased with cash or $26,004 when purchased with a loan for a 7.
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