How Much Do Solar Panels Cost?

Updated March 24, 2026 · Expert-verified answer

Quick Answer

Solar panels cost $15,000–$25,000 before the 30% federal tax credit for an average home. After credits, expect $10,500–$17,500. Cost per watt ranges from $2.50–$3.50 installed. A typical 8kW system powers most homes.

Cost Breakdown

Service Low High Notes
6kW system (small home) $12,000 $18,000 Before credits
8kW system (average) $16,000 $24,000 Before credits
10kW system (large) $20,000 $30,000 Before credits
Federal tax credit (30%) $-4,000 $-7,500
Cost per watt installed $2.50 $3.50

How Much Do Solar Panels Cost?

Solar panels cost $15,000–$25,000 before the 30% federal tax credit for an average home. After credits, expect $10,500–$17,500. Cost per watt ranges from $2.50–$3.50 installed. A typical 8kW system powers most homes.

Related Questions

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Get 3+ quotes, schedule during off-peak seasons, bundle projects, and ask about discounts for cash or military.

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Check licensing, insurance, reviews, BBB rating, and ask for references. Get everything in writing before work begins.