InfoLink Consulting provides weekly updates on PV spot prices, covering module price, cell price, wafer price, and polysilicon price. As of 2026, the average cost of residential solar panels in the U. This typically translates to about $2. 50 per watt of installed capacity (more on price per watt below). The total price depends on your system size, location, roof type. Solar panels typically cost $12,400 to $37,200, with a national average of $24,800 for an 8kW system. However, every home has different production needs based on its size and location, and total system costs are influenced by an array of other factors. We compared research from government and solar. According to the solar price list provided by the PowerHome website, solar panels on the market vary in price depending on the brand, model, and installation service chosen. Data source: IRENA (2025); Nemet (2009); Farmer and Lafond (2016) – Learn more about this data Note: Costs are expressed in constant 2024 US$ per watt. Global estimates are used before 2010; European market. Every month we publish a current price index on the development of wholesale prices of solar modules. In doing so, we differentiate between the main technologies available on the market.