Solar Panels in Mount Pleasant, DC: Cost, Payback & Savings
A typical 5.6 kW home solar system in Mount Pleasant costs about $20,160 and pays for itself in about 9.5 years, saving roughly $42,153 over 25 years at District of Columbia's average electricity price of 24.7¢/kWh.
Monthly solar production in Mount Pleasant
Estimated output of a 5.6 kW south-facing roof system. Jul is the strongest month (819 kWh); Dec the weakest (452 kWh).
Solar production (kWh) Typical home use, 639 kWh/month
Solar payback calculator for Mount Pleasant
Pre-filled with Mount Pleasant's sunshine and District of Columbia's average electricity price. Enter your own bill and an installer's price per watt to see your payback.
Leave export credit blank where the utility offers full net metering. Where exports earn less, solar used at home as it's produced is worth the full price and the rest earns the export credit.
How Mount Pleasant compares
- Each kW of panels here produces about 1,411 kWh a year — about the same as the District of Columbia median and 3% more than the US median city (1,371 kWh).
- Payback ranks #1 of 35 District of Columbia places we cover.
- Sunshine varies little across a state; electricity price, installed cost and how utilities credit exported power drive most of the difference between states.
Net metering, tax credits and incentives in 2026
District of Columbia offers net metering: power you send to the grid is credited at or near the retail price, so every solar kWh is valued at 24.7¢ here.
There is no federal tax credit for buying home solar installed in 2026. The 30% Residential Clean Energy Credit (Section 25D) ended for systems placed in service after December 31, 2025, so the costs and paybacks on this page include no federal credit.
District of Columbia and local utilities may still offer rebates, performance payments, property-tax or sales-tax exemptions. Search the DSIRE incentives database for District of Columbia and ask installers which programs they apply for you.
Frequently asked questions
Is solar worth it in Mount Pleasant, DC?
For a typical home, a solar system pays for itself in about 9.5 years and then keeps saving money. Over 25 years the estimated net savings are $42,153. Verdict: strong investment. Your own payback depends on your roof, your bill and the quotes you get.
How many solar panels do I need in Mount Pleasant, DC?
A home using 639 kWh a month (the District of Columbia average) needs about 14 panels of 400 W — a 5.6 kW system — to cover its annual use. Divide your own yearly kWh by 1,411 to get the kW you need.
How much do solar panels cost in Mount Pleasant, DC?
At 3.60 dollars per watt, a 5.6 kW system costs about $20,160 before any state or utility incentives. There is no federal tax credit for systems installed in 2026.
How much sun does Mount Pleasant get?
Mount Pleasant averages 5.0 peak sun hours per day, so each kilowatt of panels produces about 1,411 kWh a year.
Does District of Columbia have net metering?
Yes. Power sent back to the grid is credited at or near the retail price (24.7¢ per kWh on average).
How much does electricity cost in District of Columbia?
Residential electricity in District of Columbia averages 24.7¢ per kWh, and a typical home uses 639 kWh a month (EIA).
Solar payback in nearby places
- Pleasant Plains9.5 yrs
- Central 14th Street / Spring Road9.5 yrs
- Adams Morgan9.5 yrs
- Columbia Heights9.5 yrs
- Woodley Park9.5 yrs
- Park View9.5 yrs
- Central 14th Street / WMATA Northern Bus Barn9.5 yrs
- Petworth9.5 yrs