How much to solar power a home

The cost of installing solar power at home in 2025 varies based on system size and payment method:A typical 10-kilowatt (kW) system costs $28,241, dropping to $19,873 after the federal solar tax credit1.On average, solar panels cost about $21,816 when purchased with cash or $26,004 when financed for a 7.2 kW system2.Homeowners typically install systems ranging from 6 kW to 8 kW, costing between $15,000 and $22,500 before incentives3.The cost per watt for a fully installed solar system is typically $3 to $5 before incentives4.If paid upfront, the average cost is about $29,000 before incentives5.
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