Solar module price per GW

Solar module prices in 2025 have stabilized after years of dramatic fluctuations, with global wholesale prices ranging from $0. 28 per watt depending on technology, origin, and regional market conditions. Data source: IRENA (2025); Nemet (2009); Farmer and Lafond (2016) – Learn more about this data Note: Costs are expressed in constant 2024 US$ per watt. Global estimates are used before 2010; European market. . Each year, the U. solar photovoltaic (PV) systems to develop cost benchmarks. These benchmarks help measure progress toward goals for reducing solar electricity costs. . Weekly spot price report for 182mm modules will be based on the 182*182-210mm format from June 2024 onwards due to the slim price gap among varying formats. Prices for Chinese project will be prices for TOPCon modules instead of PERC from April 2024 onwards. This work has grown to include cost models for solar-plus-storage systems. Your actual cost depends on your home's energy needs, roof characteristics, location and other factors, all of which we'll break down in. . [PDF]