Electrical panel upgrade in Tewksbury, MA
24/7 availability • Licensed Master Electricians • No subcontractors, ever
Panel & Service upgrades (100A to 400A) - support modern appliances, heat pumps, home additions & more
Upfront pricing, no surprise bills | Trusted by 2,000+ MA & NH homeowners
Licensed & Insured
Google Guaranteed
Trusted Since 1979
Locally-Owned
Is your panel keeping up?
Signs you may need a panel or service upgrade...
Adding an EV Charger or Generator
Most older panels can't safely support a Level 2 EV charger or standby generator without an upgrade first.
Burning Smell or Warm Panel
Heat or a burning smell near your panel is a serious fire hazard. Call us immediately - don't wait.
Still Have a Fuse Box
Older Tewksbury homes with fuse boxes need an upgrade & most insurance companies now require it
Lights Dim When Appliances Run
Flickering lights when the AC kicks on means your electrical service is undersized for your home.
Planning a Renovation or Addition
Kitchens, basements, home additions - new living space means new circuits, and that often requires a bigger panel.
Breakers Keep Tripping
Frequent trips mean your panel can't handle your home's demand - it's a safety issue, not just an inconvenience.
Why Tewksbury homeowners
choose Sylvester Electric
On- time Guarantee
We respect your time. We arrive within the scheduled time window.
Upfront Pricing
We give you a firm price before we unscrew a single panel. No surprise hourly overages.
Family owned since '79
We aren't a franchise. We live in Dracut. We treat your home like it's our neighbor's—because it is.
Planning a Panel or Service Upgrade?
A real person will answer your call, no AI agent.
Current wait time: <2 minutes
What to expect from your panel or service upgrade
We believe in clear communication at every step. Here's exactly what happens when you hire Sylvester Electric for a panel or service upgrade in Tewksbury.
Step 1
Free In-Home Estimate
We visit your Tewksbury home, assess your current panel and power needs, and give you a clear upfront price. No obligation.
Step 2
Permit Filing
We handle the permit with the Town of Tewksbury's building department. You don't have to manage any paperwork.
Step 3
Power Company Coordination
We coordinate directly with your local power company to schedule the service disconnect and manage all scheduling on your behalf.
Step 4
Installation Day
Our licensed electricians complete the panel replacement efficiently — most jobs are done in a single day.
Step 5
Town Inspection
We schedule and pass the Tewksbury building inspection so your upgrade is fully code-compliant and documented.
Step 6
Final Walkthrough
We walk you through the new panel, label every circuit clearly, and answer any questions before we leave.
How much does a panel or service upgrade cost in Tewksbury?
Panel upgrade costs vary based on your current setup, the amperage you're upgrading to, and whether any additional wiring is needed. Here's what most Tewksbury homeowners pay:
Service upgrades — panel & meter
Replaces both the exterior meter base and interior panel. Required when upgrading your electrical service capacity.
Panel replacements — inside panel only
Replaces the interior breaker panel only. No meter or exterior work involved. Common when the panel is outdated but service capacity is sufficient.
Every home is different. Call us at (978) 957-3422 for a free in-home estimate — we'll give you an exact price before any work begins.
Call Us for your Electric Panel Upgrade in Tewksbury, MA
Honest work at fair prices. We handle everything from 60-year-old fuse boxes to full 400-amp service upgrades.
⚡ 200-Amp Service Upgrade
The most common upgrade. Replaces undersized 100-amp service with modern 200-amp capacity - handles today's appliances, EV chargers, and more.
⚠️ Federal Pacific & Zinsco Panel Replacement
Known fire hazards found in many older Tewksbury homes. We safely remove and replace these recalled panels.
🔋 400-Amp Service Upgrade
For larger Tewksbury homes with high electrical demand. Ideal if you're adding solar, multiple EV chargers, or a large addition.
🔌 Subpanel Installation
Need power in a detached garage, workshop, or addition? We install subpanels to get power exactly where you need it.
If you’re upgrading your panel, it may also be the perfect time to install a standby generator →
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Panel Upgrade FAQ's
How much does a panel upgrade cost in Tewksbury, MA?
The cost depends on whether you need a full service upgrade or an interior panel replacement. A service upgrade replaces both the exterior meter and interior panel — these range from $4,700–$5,700 for a 100-amp replacement, $6,200–$10,500 for a 100-amp to 200-amp upgrade, and $14,000–$24,995 for a 200-amp to 400-amp upgrade. An interior panel replacement only (no meter work) runs $1,350–$2,100 for a 100-amp panel and $2,195–$3,495 for a 200-amp panel. Sylvester Electric offers free in-home estimates so you know the exact price before any work begins.
Do I need a permit for a panel upgrade in Tewksbury?
Yes — all panel upgrades in Tewksbury, MA require a permit and a town inspection. Sylvester Electric handles all permit filing and inspection scheduling as part of every job.
How long does a panel upgrade take?
Most residential panel upgrades in Tewksbury are completed in a single day. You'll be without power for a few hours while the old panel is removed and the new one is installed and tested.
What size panel does my Tewksbury home need?
It depends on your home's current capacity and what you're planning. Most Tewksbury homes benefit from a 200-amp service, which comfortably handles modern appliances, EV chargers, heat pumps, and home additions. Larger homes or those with high electrical demand may need a 400-amp service upgrade. If your existing service capacity is sufficient but your panel is outdated or undersized, an interior panel replacement may be all that's needed. Sylvester Electric assesses your home and recommends the right option during your free estimate.
Is a Federal Pacific or Zinsco panel dangerous?
Yes — Federal Pacific (FPE) and Zinsco panels are known fire hazards found in many older Tewksbury homes. They can fail to trip during overloads and many insurance companies now require replacement. Sylvester Electric safely removes and replaces these panels.
Does Sylvester Electric offer emergency panel service in Tewksbury?
Yes — Sylvester Electric offers 24/7 emergency electrical service in Tewksbury, MA. Call (978) 957-3422 any time. A real person will answer.
Schedule your free panel upgrade estimate in Tewksbury
Don't wait for a panel failure to force your hand. If your Tewksbury home is showing any of the warning signs above — or you're planning a project that needs more power — reach out to Sylvester Electric today.
Some Kind Words from our Neighbors
We’ve built our reputation through safe, honest electrical work — one home at a time.
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Other Electrical Services we Offer in Tewksbury
Level 2 home charger installation. We handle capacity checks, wiring, and permits.
🏠 Standby Generator Installation
Whole-home generator hookup with transfer switch. Be ready for the next outage.
Upgrade your electrical service from the meter to the panel.
🔧 Other Electrical Services
Troubleshooting, breaker replacement, outlets, wiring issues.
Panel upgrades are often completed alongside other improvements. Our licensed electricians handle it all.
Master Electricians
Code Certified
Established 1979
Locally Owned