Solar in Potomac, MD
With Pepco's electricity at about 23.5¢ per kWh and 1,370 kWh of sun per kW, solar is worth it for a typical Potomac home today: about a 8.2-year payback.
- Payback, typical home
- 8.2 yrsMaryland: 8.9 yrs
- 25-year net
- $59,585after paying $21,385
- Sun
- 1,370kWh per kW per year
- Electricity
- 23.5¢31% above U.S. average
A typical Potomac home, by the numbers
| Utility | Pepco |
|---|---|
| Electricity use | 833 kWh a month |
| Best-value system | 7.3 kW, about 17 panels, 10,005 kWh a year (100% of use) |
| Cost | $21,385 |
| First-year savings | $2,261 |
| Payback | 8.2 years |
| Exported power | Full retail net metering (Pepco) |
Cash purchase, no federal credit, 3.5% yearly rate increases. Run it with your own numbers.
Homes in Potomac
- Owner-occupied homes
- 85%
- Single-family detached
- 71%
- Median home value
- $1.2M
- Median year built
- 1977
- Population
- 45,902
- Roofs suitable for solar†
- 73%
Census ACS 2020–2024. †Share of 8,839 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Potomac
Public installation records for Maryland don't name installers, so we can't rank local companies here. Browse installers in Maryland.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Potomac
Is solar worth it in Potomac, MD?
For a typical home in Potomac, solar is worth it at 2026 prices: a 7.3 kW system costs about $21,385 after state incentives, saves about $2,261 in year one and pays back in about 8.2 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Potomac?
About 1,370 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the Maryland average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Potomac?
Most homes in Potomac are served by Pepco, at about 23.5¢ per kWh on average.
How much do solar panels cost in Potomac?
A fair cash price is around $2.95 per watt before incentives, so about $21,385 for a 7.3 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- North Bethesda 8.1 yrs
- Bethesda 8.2 yrs
- Rockville 8.2 yrs
- Wheaton 8.1 yrs
- Aspen Hill 8.1 yrs
- Silver Spring 8.2 yrs
- Gaithersburg 8.2 yrs
- Olney 8.1 yrs
- All of Maryland
Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.