Solar by state
Solar in District of Columbia
Across District of Columbia, homeowners pay about 11.0¢/kWh and a typical 6 kW system pays back in roughly 13.8 years after the 30% federal tax credit.
State avg rate 11.0¢/kWh
Typical payback 13.8yrs
Best Solar Value Fair
Counties in District of Columbia
Figures are modeled estimates from NREL PVWatts v8 + EIA. Not affiliated with NREL, DOE or EIA · not financial
advice. Last updated June 2026.