Virginia / Vienna
Is solar worth it in Vienna?
Virginia Electric & Power Co averages 14.1¢/kWh. With 4.4 peak sun hours a day, a typical 8.1 kW system makes ~10,352 kWh a year and saves about $1,459 in year one.
No federal tax credit is included. The 30% homeowner credit (IRS §25D) ended for systems installed after Dec 31, 2025. What changed in 2026 →
How Vienna compares
That is slower than the Virginia average of 11.8 years, mainly because Vienna's rate is below the state average of 14.8¢/kWh. Your own payback depends on your bill: enter your ZIP and monthly bill above for your number.
| Nearby city | Rate | Payback | 25-yr net |
|---|---|---|---|
| Fairfax | 14.1¢ | 12.8 yrs | $30,919 |
| Falls Church | 14.1¢ | 12.6 yrs | $31,329 |
| Herndon | 14.1¢ | 12.8 yrs | $30,919 |
| Alexandria | 14.1¢ | 12.6 yrs | $31,329 |
| Manassas Park | 14.1¢ | 12.8 yrs | $30,919 |
| Manassas | 14.1¢ | 12.8 yrs | $30,919 |
| Leesburg | 14.1¢ | 12.8 yrs | $30,919 |
| Warrenton | 14.1¢ | 12.8 yrs | $30,919 |
Questions
How long does solar take to pay off in Vienna, VA?
About 12.8 years for a typical 8.1 kW system at 14.1 cents/kWh, assuming $2.75/W installed, full net metering and 3% yearly rate increases, with no federal tax credit.
Is solar worth it in Vienna?
Often, if you plan to stay long-term. Our estimate is $1,459 saved in year one and $30,919 net over 25 years after paying for the system.
How much does a solar system cost in Vienna?
A 8.1 kW system sized for an average home (863 kWh/month) is about $22,275 before any local rebates, at $2.75 per watt. Real quotes vary by roof and installer.
Is there a federal solar tax credit in 2026?
Not for homeowners who buy their system. The 30% Residential Clean Energy Credit (IRS section 25D) does not apply to installations completed after December 31, 2025. State rebates, SRECs and utility incentives may still apply.
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