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Long Island Service Panel Upgrade

Long Island full amp service upgrade

This job included a full amp service upgrade for Bellport Plaza. One of the ten stores in this shopping center is Family Dollar where we also worked on a full renovation.

Our technicians replaced the shopping center’s previous system from 3 overhead services totaling 500 amps to a 2000 amp service. Each store has nowbeen designated a 200 amp service, allowing each store more than enough power for any need possible.

The previous overhead service was not adequate enough to run each store and PSEG required new underground service, rendering all the existing services obsolete. To install an underground amp service we had to call for a markout where an excavation company is called in and proceeds to dig for the transformer pad and the primary cable, which will run to the nearest pole. The multi-ton concrete transformer pad is then dropped into the hole, 52 inches deep and leveled. All connections are made inside the vault underground, housing 13,200 volts.

During the markout we came across some obstacles where our technicians had to excavate some utilities by hand, specifically dealing with the cesspool, drainage, water system, buried phone cables and gas. There was also a tree that we had to trim which allowed the excavator to be able to drop the concrete pad into the ground.

In addition, the town also required a certificate of occupancy on all stores upon completion of the family dollar renovation. Our technicians made all the electrical service repairs to each store, replacing the outdated system and bringing everything back up to code.

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At Absolute Electrical Service, No Job Is Too Small and Emergency Service is available. Contact us today for a free electrical estimate.

A service panel upgrade replaces the main breaker box and incoming service equipment so your home can safely carry the electrical load it actually uses today. Older Long Island houses were frequently wired for 60 or 100 amps, which was plenty when a kitchen held a toaster and a fridge. Add central air, an induction range, a hot tub, a heat pump, or an EV charger and that capacity runs out fast. Warning signs are hard to ignore: breakers that trip under normal use, lights that dim when the AC kicks on, a warm or buzzing panel, scorched breaker faces, or a legacy brand like Federal Pacific or Zinsco that insurers now flag.

Done correctly, an upgrade is more than swapping a box. It means pulling the right PSEG Long Island permit, coordinating the meter and service drop, sizing the main breaker and conductors to code, and installing an up-to-date panel with proper grounding, bonding, and clearly labeled circuits. Many towns require an electrical inspection before power is reconnected, so the work has to pass the first time. A 200-amp service is the common target for a modern single-family home, giving you headroom for future additions instead of another round of tripping breakers two years from now.

Need a service panel upgrade?Call (516) 736-8300Licensed & insured · Serving Long Island since 1994 · 24/7 emergency service

Related electrical work and areas we cover

A panel upgrade usually touches other parts of a home's electrical system, from grounding and surge protection to new circuits for generators, EV chargers, or HVAC. Explore related residential services below, and see the Nassau and Suffolk communities where we handle service upgrades, meter coordination, and inspection sign-offs across Long Island.

Service Panel Upgrade FAQs

How do I know whether I need a 200-amp upgrade?
If breakers trip during ordinary use, your panel is a 60 or 100-amp box, or you are adding central air, an EV charger, or a heat pump, you likely need more capacity. We calculate your load to confirm whether 150 or 200 amps is right.
Why are Federal Pacific and Zinsco panels a concern?
These older panels have a documented history of breakers that fail to trip during a fault, creating a fire risk. Many home insurers now require their replacement. If your Long Island home still has one, an upgrade resolves both the safety and coverage issue.
Is a permit and inspection required for a panel upgrade?
Yes. A service upgrade requires a permit, coordination with PSEG Long Island for the meter and service, and an electrical inspection before power is reconnected. We handle the filing and schedule the inspection so the work is code-compliant and signed off.
Will my power be off during the upgrade?
Power is shut off for part of the day while the old panel is removed and the new service is installed and tested. Most residential upgrades are completed in a single day, and we coordinate the reconnection with the utility to keep the outage as short as possible.
How do I schedule a panel assessment?
Call (516) 736-8300 to arrange an on-site evaluation. We inspect your existing service, review your current and planned loads, and give you up-front pricing before any work begins, so there are no surprises on the day of the upgrade.

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Queens Office

Phone: 718-229-9300

Address: 224-08 Linden Blvd., Cambria Heights, NY 11411

Nassau Office

Phone: 516-520-4700

Address: 2938 Hempstead Turnpike, Levittown, NY 11756

Suffolk Office

Phone: 631-567-1500

Address: 1115 Smithtown Avenue, Bohemia, NY 11716