U.S. construction costs dropped for solar, wind, and natural gas-fired generators in 2021

The average construction costs for solar photovoltaic systems, wind turbines, and natural gas-fired electricity generators all decreased in the United States in 2021 compared with 2020, according to our recently released data. Average construction costs fell by 18% from 2020 for natural gas-fired generators, by 5% for wind turbines, and by 6% for solar photovoltaic systems.