Average U.S. construction costs drop for solar, rise for wind and natural gas generators

Construction costs for solar photovoltaic systems continued to decrease in the United States in 2020; the capacity-weighted average fell 8% compared with 2019, according to the latest data in our Annual Electric Generator Report on newly constructed utility-scale electric generators. By contrast, average construction costs for both wind turbines and natural gas-fired generators increased compared with 2019, by 8% for wind and 4% for natural gas.