Top-rated electrical wiring or panel upgrade pros.

Get matched with top electrical wiring or panel upgrade pros in your area

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Electrical wiring or panel upgrade pros in Groton

Sean A. Davis Electrician
.
5.00(
18
)
Approved Pro
Sean A. Davis Electrician
.
5.00(
18
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
16 years of experience

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We at Sean A. Davis Electrician strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.

"Solved everything very simply, patiently checked everything and resolved issues efficiently. Strongly recommend Sean for electrical repairs."

Meera S on July 2023

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We at Sean A. Davis Electrician strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.

"Solved everything very simply, patiently checked everything and resolved issues efficiently. Strongly recommend Sean for electrical repairs."

Meera S on July 2023


D.A. Baj Electrical, LLC
678 Pleasant Street
5.00(
3
)
Approved Pro
D.A. Baj Electrical, LLC
678 Pleasant Street
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
30 years of experience

D.A. Baj Electrical, LLC, provides our customers with the best quality electrical work. We are here to build relationships with our customers and communities. D.A. Baj Electrical, LLC, works in an honest, efficient, and professional way. Our pledge is to create successful relationships by building trust, treating every project with the utmost integrity, and exceeding your expectations. We have experience with many commercial jobs, luxury homes, and over 300 residences! Come work with us for the best quality electrical work. We look forward to hearing from you!

"Great communication. Clean and very professional work. I had other contractors from different trades here at the same time and Baj Electrical really stood out as professional and respectful. The work was done as explained. I could not be more satisfied."

Tony M on January 2020

D.A. Baj Electrical, LLC, provides our customers with the best quality electrical work. We are here to build relationships with our customers and communities. D.A. Baj Electrical, LLC, works in an honest, efficient, and professional way. Our pledge is to create successful relationships by building trust, treating every project with the utmost integrity, and exceeding your expectations. We have experience with many commercial jobs, luxury homes, and over 300 residences! Come work with us for the best quality electrical work. We look forward to hearing from you!

"Great communication. Clean and very professional work. I had other contractors from different trades here at the same time and Baj Electrical really stood out as professional and respectful. The work was done as explained. I could not be more satisfied."

Tony M on January 2020


Avatar for Kevin Pelletier Electric
Kevin Pelletier Electric
2 Oak Circle
3.33(
3
)
Approved Pro
Kevin Pelletier Electric
2 Oak Circle
3.33(
3
)
Approved Pro
Customers say: Quality work
15 years of experience
Free onsite estimate

At Kevin Pelletier Electric, we pride ourselves on customer satisfaction. Locally owned and operated, we are known in the area for our prompt service and attention to detail. We specialize in residential electrical service and installation. Be sure to give us a call today!

"Terrible experience. The bill they sent me was more than double the price they quoted for the work. Would not use again."

Melissa L on July 2024

At Kevin Pelletier Electric, we pride ourselves on customer satisfaction. Locally owned and operated, we are known in the area for our prompt service and attention to detail. We specialize in residential electrical service and installation. Be sure to give us a call today!

"Terrible experience. The bill they sent me was more than double the price they quoted for the work. Would not use again."

Melissa L on July 2024


Alexandre Oliveira Electric
102 Groton Road
5.00(
3
)
Approved Pro
Alexandre Oliveira Electric
102 Groton Road
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 years of experience

Alexandre Oliveira Electric is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 12 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"Did GREAT JOB"

Kate W on May 2020

Alexandre Oliveira Electric is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 12 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"Did GREAT JOB"

Kate W on May 2020


Avatar for Moises Sarante
Moises Sarante
59 West St
5.00(
4
)
Approved Pro
Moises Sarante
59 West St
5.00(
4
)
Approved Pro
13 years of experience

We pride ourselves on being the best Electrical company in the area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!

"Excellent service, very professional, responsible and reliable "

Grissel G on January 2025

We pride ourselves on being the best Electrical company in the area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!

"Excellent service, very professional, responsible and reliable "

Grissel G on January 2025


Avatar for Phillip Aiello Electrician
Phillip Aiello Electrician
399 Page St
5.00(
2
)
Approved Pro
Phillip Aiello Electrician
399 Page St
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring/panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Excellent work. I will hire for other projects. Eric and Chad came. They were friendly and respectful. Phil came to the house to make sure everything was done right. I am very pleased."

Judy I on April 2022

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring/panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"Excellent work. I will hire for other projects. Eric and Chad came. They were friendly and respectful. Phil came to the house to make sure everything was done right. I am very pleased."

Judy I on April 2022


Avatar for Integrity Electrical Services, LLC
Integrity Electrical Services, LLC
20 Fairview Avenue
4.87(
78
)
Approved Pro
Integrity Electrical Services, LLC
20 Fairview Avenue
4.87(
78
)
Approved Pro
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
18 local quotes requested

Our Services-24/7 Emergency Service, Fast Same Day Service, Electrical Repairs, Wiring Upgrades, Panel Replacements & Upgrades, Generator Install, Ceiling Fan Repair/Installations, Indoor/Outdoor Lighting Installations, Smart Home Installations, Electric Vehicle Charging Stations And Much More! Integrity Electrical Services, LLC, provides premier electrical services for residential and commercial customers. We provide the highest quality, efficient and reliable service to our customers. 100 % customer satisfaction guarantee. Our electricians are trained to treat customers and their properties with the highest regard. All electricians are uniformed, background checked, and drug tested before hire. We are truly committed to providing our customers with the utmost professional experience. We take pride in completing our work down to the very last detail. Our trained electricians are skilled and experienced in handling your home and commercial needs.

"5 stars. Highly recommend"

Maureen M on November 2022

Our Services-24/7 Emergency Service, Fast Same Day Service, Electrical Repairs, Wiring Upgrades, Panel Replacements & Upgrades, Generator Install, Ceiling Fan Repair/Installations, Indoor/Outdoor Lighting Installations, Smart Home Installations, Electric Vehicle Charging Stations And Much More! Integrity Electrical Services, LLC, provides premier electrical services for residential and commercial customers. We provide the highest quality, efficient and reliable service to our customers. 100 % customer satisfaction guarantee. Our electricians are trained to treat customers and their properties with the highest regard. All electricians are uniformed, background checked, and drug tested before hire. We are truly committed to providing our customers with the utmost professional experience. We take pride in completing our work down to the very last detail. Our trained electricians are skilled and experienced in handling your home and commercial needs.

"5 stars. Highly recommend"

Maureen M on November 2022


Joseph Lapomardo, Electrician
5 White Avenue
4.97(
247
)
Approved Pro
Joseph Lapomardo, Electrician
5 White Avenue
4.97(
247
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
15 local quotes requested

I pride my company on reliability, great communication, integrity, and quality work. I am an expert in my trade and will do my best to keep you as educated as I can on your particular task or project. I work hard for my 5 star reviews and hope to earn your business and trust. Please note I only do SERVICE UPGRADES/PANEL CHANGES AND EV CAR CHARGERS AND GENERATOR HOOKUPS. Angi/Home Advisor charge per category of work you would like done so please make sure you pick the correct task and add a description so they can match you with me or the correct contractor for your project. Thank you.

"Great job done. Easy and quick responses. Provide proper estimates pre hand. Shows impressive skills for decided the placement of the charger. Recommend to hire for any electrical job to be done right. "

Suman C on May 2025

I pride my company on reliability, great communication, integrity, and quality work. I am an expert in my trade and will do my best to keep you as educated as I can on your particular task or project. I work hard for my 5 star reviews and hope to earn your business and trust. Please note I only do SERVICE UPGRADES/PANEL CHANGES AND EV CAR CHARGERS AND GENERATOR HOOKUPS. Angi/Home Advisor charge per category of work you would like done so please make sure you pick the correct task and add a description so they can match you with me or the correct contractor for your project. Thank you.

"Great job done. Easy and quick responses. Provide proper estimates pre hand. Shows impressive skills for decided the placement of the charger. Recommend to hire for any electrical job to be done right. "

Suman C on May 2025


Avatar for Landry Mechanical, Inc.- Electrical
Landry Mechanical, Inc.- Electrical
22 Howe Ave
4.66(
87
)
Approved Pro
Landry Mechanical, Inc.- Electrical
22 Howe Ave
4.66(
87
)
Approved Pro
Super Service Award
Customers say: Quality work
192 local quotes requested
17 years of experience

In 2008, Landry Mechanical Inc Plumbing HVAC & Electric began serving residents throughout Worcester and Middlesex County. We started out just serving 20 systems a year and working on systems that our competitors ignored, such as wood systems or alternative energy systems. In putting our customers first, our reputation for quality work grew, as did our business. We guarantee 100% customer satisfaction A proud part of the Nextstar Network™ You always talk to a real person when you call us A+ rated by the BBB Today our team is 70 strong and staffed by industry experts who prioritize giving our customers the best experience possible. We do this by sticking to our goals of offering affordable, timely, effective services that are backed by ongoing training to keep up our technical aptitude. Services Provided by Locals, for Locals

""

Maria S on October 2024

In 2008, Landry Mechanical Inc Plumbing HVAC & Electric began serving residents throughout Worcester and Middlesex County. We started out just serving 20 systems a year and working on systems that our competitors ignored, such as wood systems or alternative energy systems. In putting our customers first, our reputation for quality work grew, as did our business. We guarantee 100% customer satisfaction A proud part of the Nextstar Network™ You always talk to a real person when you call us A+ rated by the BBB Today our team is 70 strong and staffed by industry experts who prioritize giving our customers the best experience possible. We do this by sticking to our goals of offering affordable, timely, effective services that are backed by ongoing training to keep up our technical aptitude. Services Provided by Locals, for Locals

""

Maria S on October 2024


Tremblay Electric, Inc
PO Box 871
New on HomeAdvisorNew on Angi
Approved Pro
Tremblay Electric, Inc
PO Box 871
New on AngiNew on HomeAdvisor
Approved Pro
22 local quotes requested
5 years of experience

Detailed efficient dependable With over 10 years of experience, I take pride in my quality craftsmanship. We are owner operated, and believe in building long-term relationships with our clients by delivering honesty along with exceptional work. We pride our company on reliability, great communication, integrity, and customer service. We are experts in our trade and will do our best to keep you as educated as we can on your particular project. We work for our customers on their schedule, as to make it as convenient as possible for you! We look forward to working with you!

Detailed efficient dependable With over 10 years of experience, I take pride in my quality craftsmanship. We are owner operated, and believe in building long-term relationships with our clients by delivering honesty along with exceptional work. We pride our company on reliability, great communication, integrity, and customer service. We are experts in our trade and will do our best to keep you as educated as we can on your particular project. We work for our customers on their schedule, as to make it as convenient as possible for you! We look forward to working with you!

...
Showing 1-10 of 991

Electrical wiring or panel upgrades FAQs

While homeowners with substantial electrical knowledge might technically attempt a subpanel installation, most local building departments require permits and inspections for this type of work. Professional electricians understand local code requirements, can obtain necessary permits, and ensure the installation meets safety standards. Given the significant safety risks associated with incorrect electrical work, most homeowners benefit from hiring a licensed professional.

A standard subpanel installation takes an average of four to eight hours. This timeframe may extend if you're installing multiple subpanels or adding specialized circuits like those for spa equipment. Factors such as difficult access points, complex wiring paths, or permit processing times can also affect the overall project duration.

Adding a subpanel doesn't directly reduce electricity consumption or lower your utility bills. A subpanel simply redistributes power from your main panel to additional circuits. However, organizing your electrical system more efficiently may help prevent overloaded circuits and the associated problems. For actual cost savings, consider energy-efficient appliances and lighting instead.

The appropriate subpanel size depends on your specific electrical requirements. Consider the number and type of devices you'll be powering, potential future needs, and the capacity of your main electrical panel. An electrician can perform a load calculation to determine the most suitable amperage rating for your situation, ensuring you have adequate power without overpaying for unnecessary capacity.

A main electrical panel connects directly to your utility's power supply and contains your home's primary service disconnect. It distributes electricity throughout your entire house. A subpanel, by contrast, receives power from the main panel and redistributes it to a specific area of your home. Think of the main panel as the primary distribution point and the subpanel as a secondary branch that extends your electrical system's reach.

While electrical upgrades aren't as immediately visible as kitchen or bathroom renovations, they can contribute to your home's functionality and safety. Prospective buyers often appreciate updated electrical systems that can accommodate modern power demands. A properly installed subpanel that provides additional capacity for workshops, home offices, or future expansions could be an attractive feature for certain buyers, though the direct impact on home value varies by market.

The homeowners guide to electrical wiring or panel upgrades
From average costs to expert advice, get all the answers you need to get your job done.
lightning rod protection system installed on roof of house
Jan 22, 2025
Jan 22, 2025
Lightning rod installation can keep your home safe from extensive damage during storms. Our guide shows you how much to budget.
Cable panel for new house
Apr 30, 2025
Apr 30, 2025
Budget for the cost to install a coax outlet based on factors such as the number of outlets, accessibility, labor, installation type, and more.
Woman in modern kitchen opening fridge
Apr 29, 2025
Apr 29, 2025
Budget for whole-house surge protector costs based on factors such as protector type, home size, permits, labor, electrical panel upgrades, and more.
Electrical outlet with three slot receptacles installed on the kitchen island
Apr 23, 2025
Apr 23, 2025
Budget for the cost to install an outlet based on factors such as the number of outlets, the location in your home, outlet type, labor, and more.
new home circuit breaker electrical panel on garage wall
Apr 15, 2025
Apr 15, 2025
Find out how much it costs to replace or upgrade an electrical panel. Read on for pricing breakdowns, cost factors, and when it’s time to upgrade your panel.
modern black metal lighting fixtures hanging in dining room
Apr 16, 2025
Apr 16, 2025
The cost to replace a light fixture depends on the type and number of fixtures you have. Use this guide to plan your budget.
Share project details to get started.