Solar in West Falls Church, VA
With Dominion Energy Virginia's electricity at about 16.3¢ per kWh and 1,397 kWh of sun per kW, solar is worth it for a typical West Falls Church home today: about a 12.3-year payback.
- Payback, typical home
- 12.3 yrsVirginia: 12.3 yrs
- 25-year net
- $35,884after paying $25,305
- Sun
- 1,397kWh per kW per year
- Electricity
- 16.3¢10% below U.S. average
A typical West Falls Church home, by the numbers
| Utility | Dominion Energy Virginia |
|---|---|
| Electricity use | 1,038 kWh a month |
| Best-value system | 8.9 kW, about 21 panels, 12,437 kWh a year (100% of use) |
| Cost | $25,305 |
| First-year savings | $1,972 |
| Payback | 12.3 years |
| Exported power | 15¢/kWh (Dominion Energy Virginia) |
Cash purchase, no federal credit, 3.0% yearly rate increases. Run it with your own numbers.
Homes in West Falls Church
- Owner-occupied homes
- 67%
- Single-family detached
- 60%
- Median home value
- $707k
- Median year built
- 1962
- Population
- 31,279
- Roofs suitable for solar†
- 70%
Census ACS 2020–2024. †Share of 268 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Older housing stock. Many homes here were built before 1975. Have the roof and electrical panel checked before signing; a roof or panel upgrade can add thousands. Roof first?
Installers working in West Falls Church
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 West Falls Church
Is solar worth it in West Falls Church, VA?
For a typical home in West Falls Church, solar is worth it at 2026 prices: a 8.9 kW system costs about $25,305 after state incentives, saves about $1,972 in year one and pays back in about 12.3 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in West Falls Church?
About 1,397 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% more than the Virginia average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in West Falls Church?
Most homes in West Falls Church are served by Dominion Energy Virginia, at about 16.3¢ per kWh on average.
How much do solar panels cost in West Falls Church?
A fair cash price is around $2.95 per watt before incentives, so about $25,305 for a 8.9 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Annandale 12.3 yrs
- Tysons 12.6 yrs
- Arlington 12.5 yrs
- McLean 12.5 yrs
- Springfield 12.5 yrs
- Fairfax 12.8 yrs
- Oakton 12.8 yrs
- Alexandria 12.5 yrs
- All of Virginia
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.