Homeowners asking for a panel upgrade in Fairfax, Arlington, and Loudoun almost always have a second question: will this still work if we add solar later? A solar-ready panel answers that electrically. It is not a rooftop array.
Key Takeaways
- Solar-ready means busbar rating, main-breaker size, grounding, and reserved backfeed space — not modules on the roof.
- A typical 200-amp upgrade that includes that planning is $3,500–$7,500.
- The federal 25D 30% residential solar credit ended for new expenditures after December 31, 2025.
- EV charger and battery loads should be in the same load calculation so you do not replace the panel twice.
What solar-ready actually is
The serving utility and the inspector care about interconnection: how much backfeed the busbar can accept, whether there is a breaker space, and whether grounding and labeling are finished. AJ Long Electric documents those conditions during a panel replacement or service upgrade. Rooftop racking and modules are a separate offer and are not a public service until that offer is live.
Ready to Install a Home EV Charger?
Our licensed electricians have installed hundreds of EV chargers across Northern Virginia. We handle everything from panel evaluation to permit filing. Call (571) 444-6886 or request your free estimate online.
Plan the EV and the battery in the same visit
A Level 2 charger install typically runs $1,200–$4,500. A wall-pack battery typically runs $2,500-$6,000 portable; $6,000-$15,000+ whole-home. If those loads are added after a minimum 200-amp swap, the next contractor may be looking at another panel. One load calculation now is cheaper than two panel days later.
What this is not
This is not a 30% tax-credit pitch. Section 25D ended for new residential expenditures after December 31, 2025. AJ Long Electric does not give tax advice. Confirm any remaining credit path with a qualified tax professional.
Ready to leave the panel able to accept solar later? Start at solar-ready panel upgrades or call (571) 444-6886.




