Our Approach to Panel Upgrades
An outdated or undersized electrical panel can be a safety hazard and limit what your home can handle. Aces Highlands upgrades residential panels to meet modern demands -- from EV charger circuits to heat pump installations -- across Portland, South Portland, Scarborough, Westbrook, Gorham, and Greater Portland.
Many older homes in the Portland area still have 100-amp panels or outdated fuse boxes that cannot support modern electrical loads. We upgrade panels to 200-amp service, replace Federal Pacific and Zinsco panels, and install new breaker panels that meet current electrical codes. A 200-amp service is the standard for today's homes -- it gives you the headroom to run an EV charger, a heat pump, central air, and an electric range all at once without nuisance trips or overheating.
There are clear signs you have outgrown your panel: breakers that trip often, lights that flicker when an appliance kicks on, a fuse box instead of breakers, or no open slots left to add a circuit. Federal Pacific (FPE Stab-Lok) and Zinsco panels are a special concern -- their breakers are known to fail to trip during a fault, which is a real fire risk, and many home insurers in Maine now require them to be replaced. If your panel is warm to the touch, rusted, or has scorch marks, treat it as urgent.
A panel upgrade is often required before adding major appliances, EV chargers, heat pump installations, or finishing a basement. We handle the full scope -- pulling the permit, coordinating the service disconnect and reconnect with Central Maine Power, installing the new panel and meter base, transferring every circuit, and scheduling the municipal inspection. A typical 100-to-200-amp upgrade is a one-day job, and we keep your downtime to a few hours.
Every panel upgrade is performed by a Maine-licensed electrician and includes proper grounding, bonding, surge consideration, and clear circuit labeling. We test all circuits before we leave and walk you through your new panel so you know where everything is. While the panel is open, it is also the right time to address any outdated wiring in your home. Financing is available, and every estimate is free -- contact us to schedule.
How Much Does a 200-Amp Panel Upgrade Cost?
A typical 100-to-200-amp panel upgrade nationally runs in the $2,500-$4,500 range, with the final number depending on meter and service-entrance condition, grounding upgrades, and how many circuits transfer to the new panel. Replacing a hazardous Federal Pacific or Zinsco panel like-for-like at the same amperage usually costs less. We give you a firm written quote after seeing the panel — and because Aces Highlands is a locally owned Portland company rather than a franchise, our price reflects the actual work, not a national brand fee.
One more honest note: if your panel is genuinely fine and your problem is a single overloaded circuit, we will tell you that too. A new dedicated circuit costs a fraction of a panel upgrade, and our electricians do not earn commissions for selling you the bigger job.
Local & Independent — Not a Franchise
Aces Highlands is a locally owned Portland, Maine company — not a national franchise. Our technicians are not commissioned salespeople and nobody here is required to upsell you anything. We do the work you called us for, do it right, and earn the next call. That is the whole business model.
Licensed Maine Electrician
Every electrical job is performed under a State of Maine electrician's license (#MS60023157), permitted and inspected for full code compliance. Fully insured. Free estimates across Greater Portland & Southern Maine.
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Panel Upgrades FAQs
How long does an electrical panel upgrade take?
Most 100-to-200-amp upgrades are completed in a single day. Your power is off for a portion of that day while we swap the panel and coordinate the disconnect and reconnect with Central Maine Power — we schedule it to keep your downtime to a few hours.
Do I need a permit for a panel upgrade in Maine?
Yes. Panel and service upgrades require an electrical permit and municipal inspection. We pull the permit, schedule the inspection, and handle the utility coordination as part of every job — you do not have to manage any of it.
Why do Federal Pacific and Zinsco panels need to be replaced?
Breakers in FPE Stab-Lok and Zinsco panels have a documented history of failing to trip during a fault, which is a genuine fire hazard. Many Maine insurers now require replacement before issuing or renewing a homeowner policy. If you have one, replacement is a safety priority, not an upsell.
Do I really need 200 amps, or is that an upsell?
It depends on your loads. If you plan to add an EV charger, heat pump, or electric range, 200 amps is the practical standard. If your 100-amp service comfortably covers your actual usage and no additions are planned, we will tell you it is fine — our electricians are not commissioned salespeople.
Will a panel upgrade fix my flickering lights and tripping breakers?
Often, yes — those are classic symptoms of an overloaded or failing panel. But they can also come from a loose connection or a single overloaded circuit, which is a much smaller fix. We diagnose the actual cause first and quote you for what you need.
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Panel Upgrades Near You
Aces Highlands provides panel upgrades across Greater Portland and Southern Maine. Find your community below.
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