The cost of solar energy varies, but currently averages between $0. 15 per kWh after incentives like the federal tax credit, making it increasingly competitive with traditional energy sources. This cost is influenced by location, system size, and upfront installation. . Most homeowners spend between $12,600 and $33,376 to install a complete residential solar system in 2026, with the national average at $19,873 before incentives. is between $15,000 and $25,000 before incentives. The total price depends on your system size, location, roof type. . The cost of one kilowatt of solar energy is influenced by several factors, including installation costs, equipment quality, geographical location, and financial incentives; however, the average price falls between $3,000 and $4,500 per installed kilowatt. Department of Energy (DOE) Solar Energy Technologies Office (SETO) and its national laboratory partners analyze cost data for U. solar photovoltaic (PV) systems to develop cost benchmarks. Understanding solar costs. .
