Ultimate Guide to Solar Power Costs in 2025: Seize the Last Chance for the 30% Federal Tax Credit
The average installation cost for a typical 11-kilowatt (kW) residential solar system in 2025 is between $27,720 and $29,970 before any incentives are applied,based on data from thousands of quotes compiled by authoritative sources like EnergySage and NerdWallet.After claiming the 30% federal tax credit, this figure drops significantly, with the net cost expected to be between $19,404 and $20,979.