Cost of solar home systems in the U.S. 2023, by system size
In 2023, the cost of home solar photovoltaic systems in the U.S. decreased with an increase in system size. The installed price for a system with capacity of more than 12 kilowatts was some 3.7 U.S. dollars per watt. The median system size for residential photovoltaics in the United States was roughly 7.4 kilowatts in 2023.