Solar photovoltaic panel prices
Solar photovoltaic panel prices Average price of solar modules, expressed in US dollars per watt, adjusted for inflation.
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 size of your solar power system, measured in kilowatts (kW), is the most important factor affecting solar panel prices. Naturally, larger systems cost more than smaller ones, but they usually offer a lower cost per watt. Solar panels typically account for 12 - 18% of the total installation cost.
In 2025, panel prices range from $2 to $3 per watt, depending on the brand and conversion efficiency. Higher-quality, more efficient panels come with a higher upfront cost but will yield better long-term performance. Labor, permitting, and inspection costs also significantly impact the total system cost.
Here, we'll break down every factor so you can move forward with confidence and understand the true value of your investment. While prices vary, the average cost to install a residential solar system in the U.S. in 2025 typically ranges from $17,000 to $35,000 before any tax credits or incentives are applied.
Solar photovoltaic panel prices Average price of solar modules, expressed in US dollars per watt, adjusted for inflation.
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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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