Electrical Panel Upgrades and Service Upgrades in NJ

A panel upgrade is the job most New Jersey homes need before anything else. Central air, an EV charger, a finished basement and a second refrigerator all draw from a service that was very likely sized decades ago for a much smaller house.

Work is performed under NJ Electrical Contractor Bus. Permit #34EB01810700, out of our Hazlet and Bridgewater offices. We pull the permits, keep the process seamless, and make sure the job gets done right.

Electrical Panel Work We Handle in New Jersey

Service Upgrades: 100A to 200A

Dual Panel Upgrade — Spartan Home Pros, Central New Jersey

The full job — new meter can, main power cable, panel, grounding and grounding. This is what the utility and the inspector both sign off on.

Main Panel Replacement

Down net http20260820 297 3mpqd9 — Spartan Home Pros, Central New Jersey

Same amps, new panel. The usual reason is a known-defect brand, corrosion, double-tapped breakers or simply no space left for another circuit.

Sub-Panels

Garage Sub Panel Installation Siemens 100A — Spartan Home Pros, Central New Jersey

A sub-panel feeds a garage, addition, workshop or finished basement without replacing the main service. Often the cheaper correct answer.

Meter Can and Main power feed Repairs

Before and after — Meter socket service disconnect upgrade new brunswick — Spartan Home Pros, Central New Jersey

Cracked meter sockets, pulled-away masts and frayed service cable. These are safety items, not cosmetic ones, and the utility will flag them.

What Actually Drives the Cost of a Panel Upgrade

Most panel upgrades land between $2,000 and $7,000. That is a wide range because a panel upgrade is really four or five jobs that may or may not all apply to your house.

Amps AND PANEL TYPE

A straight 100A to 200A swap costs less than a service that needs a new mast, meter can and entrance cable. The panel itself is rarely the expensive part.

WHETHER THE Main power feed GOES TOO

If the cable from the weatherhead to the meter is undersized or damaged it has to be replaced with the panel. That is the single biggest swing in the price.

KNOWN-DEFECT BRANDS

Federal Pacific Stab-Lok and Zinsco panels have documented failure-to-trip histories. These get replaced, not repaired, and we will tell you plainly if that is what you have.

PERMITS AND INSPECTION

Every township charges differently. We file the permit and handle the process as part of the job, not as a line item added later.

WHAT THE INSPECTOR FINDS

Opening a panel sometimes reveals aluminum branch wiring, missing grounds or unpermitted circuits. We price those separately and in writing rather than absorbing them quietly.

Panels and Breakers We Install

We install standard-brand equipment that any electrician in New Jersey can service and add to later. That matters more than it sounds — an obscure panel means expensive breakers and a hard time finding parts in ten years.

  • Square D — QO and Homeline electrical panels — the QO line is what we put in most often.
  • Eaton — BR and CH series panels and breakers, widely stocked and easy to add to later.
  • Siemens — Electrical panels and breakers, common in newer New Jersey construction.
  • Leviton — Smart electrical panels where a homeowner wants circuit-level monitoring.

We are not a single-brand shop. If you have a preference we will work with it; if you do not, we will tell you what we would put in our own house and why.

How a Panel Upgrade Runs, Start to Finish

LOAD CALCULATION AND INSPECTION

Emergency electrician — Spartan Home Pros, Central New Jersey

We open the existing panel, count the actual load, check the main power feed and confirm what amps the house genuinely needs.

PERMIT AND UTILITY COORDINATION

Sputnik Chandelier — Spartan Home Pros, Central New Jersey

We file with your township and coordinate the disconnect and reconnect with the utility so the outage is planned rather than improvised.

THE CHANGEOVER

New panel installed labled — Spartan Home Pros, Central New Jersey

The panel goes in, every circuit is re-landed and labelled, grounding and grounding are brought to current code, and power comes back the same day in almost every case.

What Our Customers Say

Verified Google reviews from homeowners and businesses across Central New Jersey.

EXCELLENT
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Based on 471 reviews
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Thomas Luke profile picture
Thomas Luke
1 days ago
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I had an outdoor outlet not working and I called late on a Sunday evening. Not only did they answer immediately, they stayed with me on the phone to troubleshoot and make sure there was no danger. They also scheduled a technician to come out first thing Monday. They arrived and did a diagnostic that showed I needed a new outlet installed. The guys did a great job, they were very nice and quick, and the price was great! Thanks!
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gabriella stanziale profile picture
gabriella stanziale
1 days ago
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Mariano came out to help us after we lost power. He answered very quickly and offered reassurance over the phone before he arrived. When he arrived he was extremely professional and helpful. I would definitely recommend this company for future service! In fact we plan to use them for some future projects around the house that we have been planning because our experience was so positive. If you’re looking for a professional, reliable, quick, and compassionate electrician we would definitely recommend Mariano and the whole Spartan team!
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Doug Osborne profile picture
Doug Osborne
5 days ago
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Excellent service very professional
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Hector Martinez profile picture
Hector Martinez
5 days ago
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Love this place, they will make sure to keep you in the loop with everything and on top of that make sure everything comes out fine 💪👍
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Camilo Castro profile picture
Camilo Castro
5 days ago
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We recently hired Spartan Home Pros for a multi-zone mini split installation, and they did an outstanding job from start to finish. A special shoutout to the lead technician, Charles—he was incredibly diligent, meticulous, and dedicated throughout the entire installation. Charles and the team took the time to ensure every line was run cleanly, all wiring and line-hide covers were neat, and all manufacturer clearances and specs were strictly followed. They handled a tight installation spot upstairs with total professionalism and made sure everything was done right the first time. The team left the job site completely spotless, and having the system up and running with both heating and cooling working flawlessly is an amazing upgrade for our home. If you want true craftsmanship and honest, reliable work, I highly recommend Spartan Home Pros! Thank you for making this home upgrade a reality. 🙌
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Augie Aversano profile picture
Augie Aversano
8 days ago
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Ryan did a great job and installed the fixtures with no mess or fuss. Always very accommodating and knowledgable
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Bob Murphy profile picture
Bob Murphy
11 days ago
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It was a pleasure to deal with Al and Christian for our electrician estimates, followed by Al and Luke for the actual work. Spartan added a new outlet in our bedroom, added a much needed light and switch in our bedroom closet, replaced a poorly functioning switch/outlet in our garage, and replaced a barely functioning outside outlet. They also recommended and replaced five switches in our kitchen and garage. If needed in the future, I would definitely use Spartan Home Pros again.
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Cynthia Balajadia profile picture
Cynthia Balajadia
12 days ago
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The technician called us back very quickly and came within an hour. Charles was very knowledgeable and friendly and got our sump pump back on line. He also gave us great advice for managing the circuit for the future as well. Very friendly and skilled.
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Sondra Leibner profile picture
Sondra Leibner
24 days ago
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I called on Labor Day, not expecting anyone to answer. Not only did someone answer, but they were able to answer my questions immediately about fire detector issues I was having and scheduled my appointment the following day. The electricians that came into our home were knowledgeable, clean, and quiet (I was working at home and on calls while they were installing a bunch of new fire detectors). They did a great job.
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Ganesh Baliga profile picture
Ganesh Baliga
25 days ago
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Friendly & polite, a pleasure to work with. Work was done quickly and new outlet for my sump pump was wired. Two switches were also replaced. Definitely will work with in the future.

Where We Do Panel Upgrades

We do this work across Monmouth, Middlesex, Somerset, Union, Morris and Essex counties. Every town is listed on our service areas page.

Panel Upgrade Questions, Answered

How much does a panel upgrade cost in New Jersey?

Most panel upgrades land between $2,000 and $7,000. The spread depends on amperage, whether the meter can and service entrance also need replacing, township permit fees, and any rewiring the inspector requires. We give you a written figure after we open the panel, not over the phone.

How long does a panel upgrade take?

Most residential panel changes are a one-day job, with power off for part of that day while the changeover happens. Service upgrades that include a new mast and meter can may need a utility appointment, which can add a day.

Do I need a permit for a panel upgrade?

Yes, everywhere in New Jersey. A panel or service upgrade requires a permit through your township construction office and an inspection on completion. We file the application and keep the process seamless as part of the job.

How do I know if I have a Federal Pacific or Zinsco panel?

Open the panel door and read the label. Federal Pacific panels say Federal Pacific Electric and the breakers are usually marked Stab-Lok. Zinsco panels are labelled Zinsco or Sylvania-Zinsco. Send us a photo of the door and we will tell you what you have.

Do I need 200 amps, or is 100 enough?

It depends on actual load, not on what sounds better. A modest home with gas heat and no EV may be fine at 100 amps. Add central air, an EV charger, an electric range or a heat pump and 200 amps stops being optional. We run the calculation before recommending anything.

Will my power be out all day?

Usually only for part of it. We plan the outage, do the changeover, and restore power the same day on nearly every residential job.

Get a Panel Upgrade Quote

Send us a photo of your panel door and we will tell you what you are looking at before anyone comes out. For anything active — burning smell, scorch marks, a breaker that will not reset — call rather than emailing.

See Our Recent Work Near You

Every pin is a real job our crews have photographed on site. Zoom in on your town to see what we have been working on nearby.

Meet the Crew

Locally owned and run. This is the team that shows up at your door.

Mariano Gonzalez, owner of Spartan Home Pros
Mariano
Charles from Spartan Home Pros
Charles
Al from Spartan Home Pros
Al
Ryan from Spartan Home Pros
Ryan
Luke from Spartan Home Pros
Luke
Christian from Spartan Home Pros
Christian