Solar Panel Cost 2025 Guide: Price Per Watt,
2025 solar panel cost: price per watt, installation cost breakdown, and total cost of ownership. See incentives, ROI, and state pricing. Get your free quote.
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Note: Costs are expressed in constant 2024 US$ per watt. Global estimates are used before 2010; European market benchmarks thereafter due to limited data availability. Solar photovoltaic module prices refer to the cost of the solar panel itself, and do not include installation or other system components.
The industry standard measurement for comparing solar costs is price per watt ($/W). According to the National Renewable Energy Laboratory's Spring 2025 Solar Industry Update, residential solar costs average around $2.56 per watt before incentives, with most systems ranging from $2.56 to $3.03 per watt. Factors affecting cost per watt include:
The average 6-kW residential solar panel installation is $17,852 before incentives. Learn about cost factors, financing options, tax breaks and more.
Concentrated photovoltaic (CPV) panels are $0.80 to $1.10 per watt. While not as well-known as other types of panels, CPV panels are highly efficient and may grow in popularity. A 6 kW solar system would cost $4,800 to $6,600. A single solar cell costs about $0.30 and most panels use 60 or 72 cells. The more cells in a panel, the higher the cost.
2025 solar panel cost: price per watt, installation cost breakdown, and total cost of ownership. See incentives, ROI, and state pricing. Get your free quote.
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