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.
The main categories are ground-mounted structures, rooftop structures, carport structures, and special designs like pergolas or bifacial structures. Each type supports panels differently, depending on location, space, and usage. Using the wrong type will affect performance and efficiency.
Average price of solar modules, expressed in US dollars per watt, adjusted for inflation. Data source: IRENA (2025); Nemet (2009); Farmer and Lafond (2016) – Learn more about this data Note: Costs are expressed in constant 2024 US$ per watt.
Solar photovoltaic panel prices Average price of solar modules, expressed in US dollars per watt, adjusted for inflation.
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