Is solar worth it in 22031 (Fairfax, VA)?

With an average payback period of 13.3 years and 25-year savings of $26,750, solar panels in Fairfax, Virginia can be worthwhile with available incentives.

How much do solar panels cost in 22031?

The average cost of a 6kW residential solar system in Fairfax, Virginia is $14,200 before incentives. The federal 30% Investment Tax Credit reduces this to about $9,940.

How much solar electricity does 22031 get?

Fairfax receives 4.7 kWh/m²/day of solar irradiance. A 6kW system in zip code 22031 produces approximately 8,234 kWh per year.

Solar Panel ROI in 22031

Fairfax, Virginia — Is solar worth it here? Here's what the data says.

1.9x ROI Score

13.3 yrs Payback Period

$1,070/yr Annual Savings

$26,750 25-Year Savings

Your savings estimate

$ /mo bill

Annual savings $1,070

Payback 13.3 yrs

25-yr savings $26,750

Solar Calculator for 22031 (Fairfax)

Adjust values to see your personalized solar ROI estimate for Fairfax, Virginia.

System Size

System Cost

Electricity Rate

$ /kWh

Solar Irradiance

4.7 kWh/m²/day

Based on NREL data for Fairfax, VA

ROI Score 1.9x

Annual Production 8,234 kWh

Annual Savings $1,070

Payback Period 13.3 years

25-Year Savings $26,750

After 30% ITC $9,940

Solar Data for 22031 – Fairfax, VA

Solar Irradiance 4.7 kWh/m²/day -5.2% vs national avg

vs Virginia Avg -1.7% State avg: 4.95 kWh/m²/day

Electricity Rate $0.130/kWh Virginia average rate

Annual Production 8,234 kWh 6kW system estimate

Fairfax receives 4.7 kWh/m²/day (5.2% below national avg). Despite $0.130/kWh electricity, the 13.3-year payback reflects regional challenges. The 30% federal ITC and state programs can significantly improve the ROI.

Solar Incentives for Fairfax, Virginia

★

Federal Investment Tax Credit (ITC)

Claim 30% of your system cost as a federal tax credit. On a $14,200 system, that's $4,260 back.

★

Net Metering

Most Virginia utilities offer net metering — sell excess electricity back to the grid at retail rates, accelerating your payback.

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Virginia State Programs

Check with the Virginia energy office for additional rebates, tax exemptions, and low-interest solar financing programs available in Fairfax.

22031 vs Virginia Average

Solar Irradiance

22031: 4.7 VA avg: 4.95

Payback Period

22031: 13.3 yrs VA avg: 13.5 yrs

Annual Savings

22031: $1,070 VA avg: $1,054

25-Year Savings

22031: $26,750 VA avg: $26,350

See the full Virginia solar guide for statewide data and incentives.

Nearby Zip Codes — Solar Comparison

22150 Springfield, VA 1.9x ROI 13.2 yr payback 22301 Alexandria, VA 1.9x ROI 13.2 yr payback 22314 Alexandria, VA 1.9x ROI 13.2 yr payback 20901 Silver Spring, MD 2.2x ROI 11.4 yr payback 20912 Takoma Park, MD 2.2x ROI 11.4 yr payback