Free Solar Calculator for Annandale, VA
See how much you can save with solar panels in Annandale, Fairfax County. Get your free estimate in minutes.
Why Annandale Homeowners Are Going Solar in 2026
If you’re a homeowner in Annandale, Fairfax County, there’s never been a better time to go solar. Electricity rates from Dominion Energy have been climbing — the current average is 15.58¢ per kWh, and most Annandale households pay around $158/month. That’s money going to the utility with nothing to show for it.
A typical Annandale home needs a 10 kW system to offset most electricity usage. Over 25 years, that’s estimated savings of $44,000+ — before the 30% Federal Tax Credit (~$10,000 back).
Annandale homeowners in Fairfax County are discovering solar’s financial benefits as Dominion Energy rates climb. The area’s established suburban neighborhoods with mature rooftops are well-suited for solar.
Solar Incentives for Annandale, VA
Federal Solar Tax Credit (ITC): Claim 30% of your total installation cost — approximately $10,000+ for a typical Annandale system. Available through 2032.
State Incentive: VA’s Clean Economy Act supports solar growth statewide. While no state tax credit exists, 1:1 net metering and the federal 30% tax credit make solar a strong investment
Net Metering (Dominion Energy): 1:1 Net Metering — full retail credit for excess energy. Excess solar energy earns credits on your bill.
Property Tax Exemption: Solar adds $15,000-$20,000 to home value without increasing your property taxes.
How Solar Works in Annandale
Use Our Calculator
Enter your Annandale address and Dominion Energy bill for an instant solar estimate.
Custom System Design
Engineers design a system optimized for your Annandale rooftop using satellite imagery.
Start Saving
We handle permits, installation, and Dominion Energy interconnection. Savings start day one.
Frequently Asked Questions About Solar in Annandale, VA
How much do solar panels cost in Annandale, VA?
A typical 10 kW system in Annandale costs $27,500-$35,000 before incentives. After the 30% federal tax credit (~$10,000), most Annandale homeowners see payback within 7-9 years.
How much can I save with solar in Annandale?
With Dominion Energy rates of 15.58¢/kWh and monthly bills around $158, Annandale homeowners can save approximately $44,000+ over 25 years with a properly sized solar system.
Does Dominion Energy offer net metering in Annandale?
Yes. Dominion Energy provides net metering for Annandale customers. Excess solar energy earns credits on your bill, helping reduce or eliminate your monthly electricity costs.
What solar incentives are available in Annandale, VA?
Annandale homeowners qualify for the 30% Federal Tax Credit (~$10,000), net metering through Dominion Energy, and state property tax exemption for solar installations.
How long does solar installation take in Annandale?
Most Annandale installations take 8-12 weeks from contract to activation, including engineering, local permitting, installation (1-3 days), and Dominion Energy interconnection.
Is my Annandale home suitable for solar panels?
Most Annandale homes with south, east, or west-facing roofs are good candidates. Use our free calculator above to enter your Annandale address and get a personalized estimate using satellite imagery.
Ready to Start Saving in Annandale?
Join Fairfax County homeowners who’ve switched to solar with Sunlight Renewable.
Get Your Free Solar EstimateSunlight Renewable serves Annandale and surrounding areas in Fairfax County, Virginia. Solar installation across NJ, PA, MD, VA, WV, and DC. Learn more.