Apart from a drop in bifacial TOPCon modules, prices for solar modules held steady in September. store data showing that the marked price corrections from the first half of the year have largely passed. In doing so, we differentiate between the main technologies available on the market. Since 2009, pvXchange has provided a unique price index for the european market, which has become an invaluable. Prices for Chinese project will be prices for TOPCon modules instead of PERC from April 2024 onwards. BC module prices in China will be added and split into ground-mounted and C&I segments from June 2025. 115/Wp and are expected to rise further. 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.