How Much Do Solar Panels Cost? (2025) | ConsumerAffairs®
Expect the cost per watt to be between $2 and $3 per watt. As of publishing, the average cost per watt is $2.84. The key thing, according to Flores: “If you''re closer to $2 per
Solar panels cost between $0.30 and $0.90 per watt without labor and other fees. Since your typical solar panel system size is 6.5 kW, anticipate spending around $3,900 for the panels alone, or somewhere between $1,950 and $5,900. However, system sizes range from 3 kW to 11 kW, so you could see prices for as little as $900 or as much as $8,800.
On the high end, we talked to a solar customer in Hawaii who spent $100,000 going solar. Dion in Nevada said their 10-kW system cost about $20,000, which is about the national average price for a 7-kW system. What else affects solar installation costs?
As of publishing, the average cost per watt is $2.84. Most solar companies set the price according to the solar system's wattage. A solar installation's “cost per watt” is a little like the “price per square foot” when you buy a house. It helps compare the value of solar energy systems in different sizes.
The average 6-kW residential solar panel installation is $17,852 before incentives. Learn about cost factors, financing options, tax breaks and more.
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