Typical home: Worth it

Solar in Germantown, MD

With The Potomac Edison's electricity at about 15.8¢ per kWh and 1,366 kWh of sun per kW, solar is worth it for a typical Germantown home today: about a 11.5-year payback.

Payback, typical home
11.5 yrsMaryland: 8.9 yrs
25-year net
$43,493after paying $27,510
Sun
1,366kWh per kW per year
Electricity
15.8¢12% below U.S. average

A typical Germantown home, by the numbers

UtilityThe Potomac Edison
Electricity use1,118 kWh a month
Best-value system9.8 kW, about 23 panels, 13,388 kWh a year (100% of use)
Cost$27,510
First-year savings$2,047
Payback11.5 years
Exported powerFull retail net metering (The Potomac Edison)

Cash purchase, no federal credit, 3.5% yearly rate increases. Run it with your own numbers.

Solar production per kW in Germantown

kWh per kW each month, south-facing at 20° tilt. PVWatts v8 with local typical-year weather.

Show as a table
PeriodValue
Jan79
Feb97
Mar118
Apr132
May136
Jun141
Jul147
Aug136
Sep116
Oct105
Nov85
Dec74

Homes in Germantown

Owner-occupied homes
67%
Single-family detached
26%
Median home value
$422k
Median year built
1990
Population
90,719
Roofs suitable for solar†
86%

Census ACS 2020–2024. †Share of 9,358 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Germantown

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 Germantown

Is solar worth it in Germantown, MD?

For a typical home in Germantown, solar is worth it at 2026 prices: a 9.8 kW system costs about $27,510 after state incentives, saves about $2,047 in year one and pays back in about 11.5 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Germantown?

About 1,366 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 Germantown?

Most homes in Germantown are served by The Potomac Edison, at about 15.8¢ per kWh on average. Some areas are served by Pepco.

How much do solar panels cost in Germantown?

A fair cash price is around $2.95 per watt before incentives, so about $27,510 for a 9.8 kW system. There's no federal tax credit for homeowners who buy in 2026.

Nearby

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.