U.S. construction costs of installed electricity generators by energy source 2020
Biomass is the energy source with the greatest construction cost per kilowatt of installed nameplate capacity in the United States in 2020. That year, newly installed biomass generators cost an average 2,886 U.S. dollars per kilowatt. Solar was the second most expensive energy source, with an average cost of 1,655 U.S. dollars per kilowatt. By comparison, battery storage had the cheapest construction cost, with an average of 758 U.S. dollars per kilowatt. From various natural gas plants, combined cycle plants were the cheapest, with a construction cost of 948 U.S. dollars per kilowatt of nameplate capacity.
