Residential Electrical Panel Upgrades in Suffolk County, NY
TFC Electric – Your Local Suffolk County Electricians Since 1994 Family-owned & operated by Tom & Teresa Casazza

Serving Fire Island, Westhampton, Riverhead, Islip, Babylon, Huntington & all of Suffolk County Is Your Home’s Electrical Panel Outdated? If your house was built before the 1980s, you may still have an old fuse box, a 100-amp or 150-amp panel, or a Federal Pacific / Zinsco panel that is no longer safe or code-compliant. At TFC Electric, we specialize in residential electrical panel upgrades in Suffolk County, NY. Whether you need a full 200-amp service upgrade, a sub-panel addition, or a complete fuse-to-breaker conversion, our licensed electricians deliver fast, clean, and code-compliant work so your home is safe, efficient, and ready for modern appliances, EV chargers, generators, and whole-house surge protection.
Why Suffolk County Homeowners Upgrade Their Electrical Panel
- Safety first – Overloaded or outdated panels are a leading cause of house fires in older Long Island homes.
- More power for today’s lifestyle – Run multiple AC units, a home office, EV charger, and kitchen appliances at the same time without tripping breakers.
- Increased home value – A modern 200-amp panel is a big selling point when you list your Suffolk County home.
- Code compliance – New York State and Suffolk County require upgrades when you add major electrical work or sell your property.
- Future-proof your home – Ready for solar, battery storage, or smart-home systems.
Our Residential Panel Upgrade Process
- Free On-Site Assessment – We inspect your existing panel, meter, and service entrance.
- Custom Quote – Transparent pricing with no hidden fees (most 200-amp upgrades completed in 1–2 days).
- Permits & Utility Coordination – We handle all Suffolk County permits and LIPA/PSEG coordination.
- Professional Installation – Neat, professional work with new breakers, surge protection, and labeling.
- Final Inspection & Cleanup – We leave your property cleaner than we found it.
Benefits of Choosing TFC Electric for Your Panel Upgrade
- Same-day or next-day service available for emergencies
- 8-time Angi Super Service Award winner
- 100% satisfaction guarantee
- Licensed & fully insured Suffolk County electricians
- Competitive pricing with financing options available
- 8-time Angi Super Service Award recipients
- Google 5-Star Rated with 120+ reviews
- Proud members of the Suffolk County Electrical Contractors Association
Frequently Asked Questions
- How much does a residential electrical panel upgrade cost in Suffolk County?
- Most 200-amp panel upgrades range from $2,900–$5,900 depending on the existing service, meter location, and any required main-line upgrades. We provide a firm, written quote after a free on-site visit so there are never surprises.
- How long does a panel upgrade take?
- Most standard residential upgrades are completed in one to two days. We coordinate with LIPA/PSEG so your power is off for the shortest time possible.
- Do I need a permit for an electrical panel upgrade in Suffolk County?
- Yes. Many panel upgrades require a Suffolk County building permit and final inspection. We pull the permit and schedule the inspection for you at no extra charge.
Trusted by Suffolk County Homeowners Since 1994
“Tom replaced our 100-amp fuse box with a new 200-amp panel in one day. Professional, clean, and on time!”
– Mary P., East Islip
“TFC Electric has been our go-to electrician for 15 years. Highly recommend for panel upgrades.”
– John R., Fire Island Pines
Ready for a safer, more powerful home?
Get Your FREE Panel Upgrade Estimate Today
Request Free Estimate
Fill out the form below and we’ll contact you within 1 hour during business hours (or first thing the next morning). Free Estimate Request FormPost a Review
Emergency Service
Fire Island Service
We are proud to say we offer year round electrical services to seasonal homes, specializing in the Pines Community.
Testimonials
"I would definitely use him in the future and highly recommend him to others."
