Six signs the panel needs replacing rather than repairing
Not every panel problem means a new panel. These are the ones that usually do. If two or more sound familiar, it is worth having someone look at it.
It is a fuse box
Screw-in fuses mean the service predates modern breaker panels. It can be safe if it has been maintained, but it will not carry the load of a modern kitchen, an HVAC system and an EV charger.
Federal Pacific or Zinsco
Both brands have a long-documented history of breakers that fail to trip under fault. Insurers increasingly ask about them, and many will not write a policy until they are gone.
Breakers trip repeatedly
One circuit tripping is a circuit problem. Several circuits tripping, or a main that trips, usually means the panel is being asked to carry more than it was built for.
No room left
Every slot full, or tandem breakers doubled up where they should not be, means there is nowhere to land a new circuit for a generator, a hot tub, a shop or a car charger.
Heat, rust or a burning smell
Scorch marks around a breaker, a panel that is warm to the touch, or rust inside the enclosure are all reasons to stop and call someone the same day.
You are adding real load
An EV charger, a whole-home generator, a heat pump or a finished basement can each push a 100-amp service past what it can carry. The panel is usually upgraded first, then the rest follows.
What the work actually involves
A panel replacement is a one-day job on most Middle Tennessee homes. The power comes off at the meter, the old panel and its breakers come out, a new enclosure and bus go in, and every circuit is re-landed and labelled properly — which is often the first time a house has an accurate directory. Where the service entrance cable, the meter base or the grounding electrode are aged out, those are replaced at the same time, because opening it all up twice costs more than doing it once.
Panel replacement is permitted, inspected work in Tennessee, and the utility has to drop and restore the service. That means the schedule is not entirely in anyone’s hands, so it is worth starting the conversation before the panel forces the issue. Ask us and we will walk you through the permit and inspection steps for your address.
What it costs
Panel replacement is priced by amperage, by the condition of the service entrance and meter base, and by how much of the existing wiring can be reused. There is no honest flat number, so we look at the panel and quote a firm price before anything starts. If you want a sense of the range first, our guide to electrician costs in the Nashville area lays out how this kind of work is usually priced.
Veterans, seniors, schools and churches get 10% off.
Frequently asked questions
How long will the power be off?
Most of a working day. The panel itself is a few hours; the rest is the utility disconnect, the inspection and the reconnect. We tell you the window before the day so you can plan around fridges, freezers and anyone working from home.
Do I need 200 amps, or is 100 enough?
It depends on what the house runs now and what you expect to add. A modest home with gas heat and no car charger can be fine at 100. Add an EV, a heat pump, a generator or a finished basement and 200 is usually the sensible answer, because upgrading twice is the expensive path.
My insurer asked about my panel. What do I tell them?
Find the brand name inside the door — Federal Pacific, Zinsco, Challenger and Pushmatic are the ones that come up most. If it is one of those, insurers usually want it replaced rather than repaired. We can look at it and put the details in writing for you.
Can you do it before an EV charger or generator install?
Yes, and that is usually the right order. Sizing the panel to the finished plan means the charger or generator lands on a service that can actually carry it, rather than being squeezed onto one that cannot.
Do you work outside Nolensville?
Yes — Brentwood, Franklin, Nashville, Spring Hill, Murfreesboro and the rest of Middle Tennessee.
Get your panel looked at
Tell us the brand and the amperage and we will tell you where you stand.
Call (615) 305-6574 Text us