The average solar system costs around $27,500 before incentives, and around $19,250 after the 30% tax credit for a 1,500 square foot house, according to a data analysis by Solar. That boils down to a rate of around $12. 80 per square foot of living space. . Most homeowners spend between $12,600 and $33,376 to install a complete residential solar system in 2026, with the national average at $19,873 before incentives. Your actual cost depends on your home's energy needs, roof characteristics, location and other factors, all of which we'll break down in. . How much do solar panels cost on average? As of 2026, the average cost of residential solar panels in the U. To find the most up-to-date solar panel costs in 2025, we compared research from the U. Department of. . However, prices aren't always simple—they vary depending on size, materials, certifications, and location.
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