Typical home: Worth it

Solar in McLean, VA

With Dominion Energy Virginia's electricity at about 16.3¢ per kWh and 1,369 kWh of sun per kW, solar is worth it for a typical McLean home today: about a 12.5-year payback.

Payback, typical home
12.5 yrsVirginia: 12.3 yrs
25-year net
$35,294after paying $25,795
Sun
1,369kWh per kW per year
Electricity
16.3¢10% below U.S. average

A typical McLean home, by the numbers

UtilityDominion Energy Virginia
Electricity use1,038 kWh a month
Best-value system9.1 kW, about 21 panels, 12,460 kWh a year (100% of use)
Cost$25,795
First-year savings$1,970
Payback12.5 years
Exported power15¢/kWh (Dominion Energy Virginia)

Cash purchase, no federal credit, 3.0% yearly rate increases. Run it with your own numbers.

Solar production per kW in McLean

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

Show as a table
PeriodValue
Jan87
Feb98
Mar125
Apr136
May132
Jun138
Jul141
Aug135
Sep116
Oct103
Nov85
Dec75

Homes in McLean

Owner-occupied homes
86%
Single-family detached
81%
Median home value
$1.4M
Median year built
1977
Population
49,627
Roofs suitable for solar†
64%

Census ACS 2020–2024. †Share of 978 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in McLean

Public installation records for Virginia don't name installers, so we can't rank local companies here. Browse installers in Virginia.

Always verify the license and get at least three quotes. Compare quotes side by side.

Questions about solar in McLean

Is solar worth it in McLean, VA?

For a typical home in McLean, solar is worth it at 2026 prices: a 9.1 kW system costs about $25,795 after state incentives, saves about $1,970 in year one and pays back in about 12.5 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in McLean?

About 1,369 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 Virginia average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in McLean?

Most homes in McLean are served by Dominion Energy Virginia, at about 16.3¢ per kWh on average.

How much do solar panels cost in McLean?

A fair cash price is around $2.95 per watt before incentives, so about $25,795 for a 9.1 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.