Rooftop solar installation typically costs about $23,100, with most projects ranging from $19,100 to $23,800 depending on system size and location. Under current federal law, the Residential Solar Tax Credit (ITC) ended for customer-owned systems on December 31, 2025. Check with a local pro for your specific job. System size, panel type, and labor needs are the biggest cost drivers. . NLR analyzes the total costs associated with installing photovoltaic (PV) systems for residential rooftop, commercial rooftop, and utility-scale ground-mount systems. 1,2,12 This figure includes the solar panels, the installation, and other expenses. 95 per Watt for residential solar, labor. . 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.
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