The 2025 Europe PV system pricing report covers solar capex for 15 major countries across residential, commercial and utility-scale segments. It includes detailed breakdowns for national average system costs for France, Germany, Italy, Spain and the UK across the three. 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. 115/Wp and are expected to rise further. How much do solar panels cost today? How much do solar panels cost in January 2026? How much do solar panels cost in. Prices for TOPCon cells will be based on an efficiency of 24. 0%+ efficiency due to production line optimization and efficiency improvement from October 23,2024. It also provides. 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.
