Panel Upgrades & Repair in Spartanburg, SC
An electrical panel upgrade or repair covers anything from swapping out an old fuse box for a modern breaker panel to increasing your home's amperage to support central air, an EV charger, or a workshop addition. It also includes smaller but critical fixes: replacing tripped or corroded breakers, tightening loose lugs, fixing double-tapped circuits, or resolving a panel that's buzzing, warm to the touch, or throwing breakers for no clear reason. In a lot of Spartanburg's older neighborhoods, houses still run on 100-amp service or even older Federal Pacific and Zinsco panels that no longer meet code and are considered fire risks by most insurers.
When you're hiring for this work, ask whether the electrician pulls a permit and schedules the required inspection, since panel work almost always needs both under South Carolina code. Check that they're licensed to work in Spartanburg County, carry liability insurance, and can give you a written estimate that specifies panel brand, amperage, and whether a service upgrade with the utility company is included. Be wary of flat "too good to be true" quotes on 200-amp upgrades, since site conditions like meter placement and grounding often change the price.
Our scoring weighs licensing status, years in business, response time, and what past customers say about follow-through and cleanup, so you can compare the 24 electricians in this category on more than just price. See the full ranked guide to Spartanburg electricians for our top picks, and read our methodology to see how we score and verify each one.
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All panel upgrades & repair, ranked by score and relevance
We found 24 businesses offering panel upgrades & repair; 23 met the criteria for the scored directory. The order weighs each business's overall score by how much of its reviewed work is panel upgrades & repair, so a lower-scored specialist can rank above a higher-scored generalist. Filter and sort below, or open the full map view.
When you submit a quote or contact form here, we may share your enquiry with partner providers who can complete the work, and we may receive a referral fee. Our rankings and scores are based on our published method only, independent of any referral fees.
Common questions about panel upgrades & repair
- How much does a panel upgrade cost in Spartanburg?
- A straightforward upgrade to a 200-amp panel typically runs a few thousand dollars once you factor in the new panel, breakers, permit fees, and labor. Costs go up if the electrician also has to upgrade your service line, meter base, or grounding to meet current code, or if the utility company needs to reset the service connection.
- How do I know if my panel needs to be replaced?
- Warning signs include breakers that trip repeatedly, a panel that feels warm or smells like burning plastic, visible rust or corrosion inside the box, or a panel brand like Federal Pacific, Zinsco, or Challenger that's known for failing to trip during overloads. If your home still runs on 60 or 100-amp service and you're adding major appliances, that's also a sign it's time to upgrade.
- How long does a panel upgrade take?
- Most residential panel swaps take one full day for the electrical work itself, but the whole project often stretches over a week or two once you account for pulling permits, coordinating a temporary power shutoff with the utility company, and scheduling the final inspection.
- What should I expect during the inspection process?
- After the electrician finishes the panel work, they'll schedule a county inspection before the panel is fully signed off. Power to the panel is usually cut for a few hours during the swap itself, so plan around that, and ask your electrician upfront how they handle the inspection scheduling so there's no gap between rough-in and final approval.
Guides to choosing panel upgrades & repair
- What to expect during an electrical panel upgrade
A step-by-step look at what happens during a residential panel upgrade in Spartanburg, from the first inspection to the final sign-off.