How much do solar panels cost in District of Columbia in 2025?
Typically, in District of Columbia in the month of June, 2025, the price per each watt for solar panels is $3.6/W.
Or in other words, for every 1000 watts (or 1 kW) your system can generate you will spend $3,600 to get your system installed in . A 5 kW solar panel system in District of Columbia is typically approximately $12,600 after accounting for the 30% federal income tax credit. In accordance with your energy usage habits, you may require a bigger system.
On the left side, choose your county to see the average roof size and the maximum capacity of solar panels for homes in your area. Displayed below is a summary of the price, payback period, and 20-year average savings for a 5 kW system in your county.