How much do solar panels cost in Delaware County, PA in 2025?
Solar panel installations in Delaware County, PA in the month of August, 2025 have an average cost of $3.59 per watt.
Based on this cost per watt, solar panels will cost you approximately $3,590 per 1000 watts (1 kW) of production capacounty. After receiving the 30% federal tax credit, you will spend approximately $12,565, in Delaware County, for a 5 kW solar panel install. Note that a more extensive system could be required to ensure your energy requirements are met.
To the left, you can select a county to view the average roof size and the average maximum generation capacity for residential solar on homes in your area. Outlined below are the costs, payback period, and 20-year average savings for a 5 kW system installed in your county.