On average, solar panels cost about $13,142 with average prices for a solar panel system ranging from $11,144 to $14,696 in the US for 2020 according to EnergySage. This is the estimated cost of installation after tax credits. Data source: IRENA (2025); Nemet (2009); Farmer and Lafond (2016) – Learn more about this data Note: Costs are expressed in constant 2024 US$ per watt. Global estimates are used before 2010; European market. . NREL has been modeling U. PV for residential, commercial, and utility-scale systems, with and without storage, built in the first quarter of 2020 (Q1 2020). Department of Energy (DOE) Solar Energy Technologies Office (SETO) and its national laboratory partners analyze cost data for U. If you prefer to log into your personal account, please sign in below. Create a free IEA account to download our reports or subcribe to a paid service. 96 per watt with. . The easiest way for homeowners to calculate the cost of solar is to look at its price in a dollars per watt ($/W), which is relatively consistent across the United States.
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