Solar Panel Cost & Savings in Arlington County, VA
A typical 6 kW home solar system in Arlington County pays back in 13.8 years and saves an estimated $20,724 over 25 years after the federal tax credit.
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Is solar worth it in Arlington County?
Arlington County sits 3% above the national median for solar production, and homes here pay 11.0¢ per kWh. That combination puts payback at about 13.8 years — a Fair Solar Value.
Because the 30% federal tax credit applies through 2032, a system installed now is credited $5,400, dropping the net cost to $12,600. Over 25 years, escalating utility rates push estimated savings to $20,724.
Frequently asked
What's the payback period for solar in Arlington County?
At Arlington County's electricity rate of 11.0¢/kWh and local sun levels, a typical 6 kW system pays for itself in about 13.8 years after the 30% federal tax credit — a "Fair" Solar Value rating.
How much does solar cost in Arlington County after the tax credit?
A 6 kW reference system runs about $18,000 gross. The 30% federal Investment Tax Credit brings the net cost down to roughly $12,600 before any state or local incentives.
Is solar worth it at 11.0¢/kWh?
Yes — higher rates and good sun mean every kWh you generate offsets more, shortening payback and growing 25-year savings. Estimated 25-year savings: $20,724.
Does Virginia have net metering?
Net-metering rules vary by utility and change over time. Many Virginia utilities credit excess generation, which improves these economics. Confirm current terms with a local installer when you compare quotes.
Where does this estimate come from?
Production is modeled from NREL PVWatts v8 for Arlington County (sun factor +3% vs. the national median), and the electricity rate from NREL Utility Rates v3. Updated June 2026.