How much does a 60-watt solar panel cost? A 60-watt solar panel typically costs between $100 and $300, influenced by various factors including manufacturer, technology, and region. Installation prices can additionally add to expenses, depending on whether users opt for professional help or tackle. . 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. is between $15,000 and $25,000 before incentives. This typically translates to about $2. 50 per watt of installed capacity (more on price per watt below). To find the most up-to-date solar panel costs in 2025, we compared research from the U.