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Electrical wiring or panel upgrade pros in Groton

Avatar for Hiram Electric LLC
Hiram Electric LLC
220 Card St
4.95(
55
)
Approved Pro
Hiram Electric LLC
220 Card St
4.95(
55
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
7 years of experience

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the needs of the consumer. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Hiram and his two crew members did a fantastic job installing my lights and outlets. They worked extremely professionally and were affordable. My house is over 100 years old and were able to experly negotiate around the house's unique design. I look forward to hiring Hiram Electric LLC again."

John P on May 2025

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the needs of the consumer. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Hiram and his two crew members did a fantastic job installing my lights and outlets. They worked extremely professionally and were affordable. My house is over 100 years old and were able to experly negotiate around the house's unique design. I look forward to hiring Hiram Electric LLC again."

John P on May 2025


Bucko Contracting
160 Midway Oval
5.00(
1
)
Approved Pro
Bucko Contracting
160 Midway Oval
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Always a great experience ,Iâ m always well satisfied with the job,job well done thank you"

Latoya S on March 2022

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Always a great experience ,Iâ m always well satisfied with the job,job well done thank you"

Latoya S on March 2022


Avatar for Valence Electrical Contractors
Valence Electrical Contractors
26 Cahoon St
5.00(
4
)
Approved Pro
Valence Electrical Contractors
26 Cahoon St
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
4 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"very satisfied cleaned up and provided service almost immediately"

Tony B on May 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"very satisfied cleaned up and provided service almost immediately"

Tony B on May 2025


Avatar for DWB Electrical Services
DWB Electrical Services
186 Chesterfield Rd
5.00(
7
)
Approved Pro
DWB Electrical Services
186 Chesterfield Rd
5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

DWB Electrical Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"Awesome service! Very knowledgeable and helpful"

Joe F on March 2023

DWB Electrical Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"Awesome service! Very knowledgeable and helpful"

Joe F on March 2023


Jennings Electric
1764 Main St.
5.00(
2
)
Approved Pro
Jennings Electric
1764 Main St.
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
19 years of experience

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Highly recommend!! Peter was very professional and easy to work with. Came when he said he would and finished the job on time. He also returned after the installation was complete to make certain furnace was running well and to install a new CO2 monitor when he noticed mine was outdated."

Priscilla P on December 2022

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Highly recommend!! Peter was very professional and easy to work with. Came when he said he would and finished the job on time. He also returned after the installation was complete to make certain furnace was running well and to install a new CO2 monitor when he noticed mine was outdated."

Priscilla P on December 2022


Avatar for D.B. Lunt Electrical Contractors LLC
D.B. Lunt Electrical Contractors LLC
33 Leffingwell Road
5.00(
11
)
Approved Pro
D.B. Lunt Electrical Contractors LLC
33 Leffingwell Road
5.00(
11
)
Approved Pro
Super Service Award
Customers say: Quick response
18 years of experience
Free onsite estimate

Powering Connecticut with Pride Since 2007 ⚡ At D.B. Lunt Electrical Contractors, we’re a small, locally owned business with deep roots in the community—proudly serving homes and businesses within a 20-mile radius of our Uncasville office. For almost 20 years, owner-operator Dave Lunt has led our team with a hands-on commitment to quality, reliability, and personalized service. Whether you’re dealing with a sudden electrical issue, upgrading your home, or managing a large-scale commercial build, our licensed and certified electricians are ready to get the job done—safely and efficiently. We’re known for: ✅ Exceptional workmanship ✅ Transparent, honest communication ✅ Upfront pricing—no surprises From your first call to project completion, we make it easy to get the electrical support you need, when you need it. Trusted by our community, powered by integrity—count on us to put your needs first, every time. That's the D.B. Lunt commitment!

"Job was done quickly and professionally."

Mark Y on June 2025

Powering Connecticut with Pride Since 2007 ⚡ At D.B. Lunt Electrical Contractors, we’re a small, locally owned business with deep roots in the community—proudly serving homes and businesses within a 20-mile radius of our Uncasville office. For almost 20 years, owner-operator Dave Lunt has led our team with a hands-on commitment to quality, reliability, and personalized service. Whether you’re dealing with a sudden electrical issue, upgrading your home, or managing a large-scale commercial build, our licensed and certified electricians are ready to get the job done—safely and efficiently. We’re known for: ✅ Exceptional workmanship ✅ Transparent, honest communication ✅ Upfront pricing—no surprises From your first call to project completion, we make it easy to get the electrical support you need, when you need it. Trusted by our community, powered by integrity—count on us to put your needs first, every time. That's the D.B. Lunt commitment!

"Job was done quickly and professionally."

Mark Y on June 2025


Avatar for O’Connell’s Electrical Contractors
O’Connell’s Electrical Contractors
54 Beacon Road
5.00(
2
)
Approved Pro
O’Connell’s Electrical Contractors
54 Beacon Road
5.00(
2
)
Approved Pro
7 years of experience
Free onsite estimate

With over 7+ years of experience in the industry, O'Connell's Electrical Contractors is who you need to take care of all your electrical needs. We will always treat your home as well as we would treat our own, and you will be surprised how simple and easy our team will make the whole process seem. CALL US AT (860) 682-0641 TO SPEAK WITH US TODAY!

"Mike re-wired my basement outlets at my apartment. He figured out that all of them were wired incorrectly. Not only did he restore power to my basement outlets, he prevented an electrical fire from the previous incorrect wiring. He also installed a new bathroom fan/light combo, with Bluetooth speaker capabilities and multiple led light colors. He was efficient, fairly priced and honest. Highly recommend! Thank you again Mike!"

Dominic A on July 2025

With over 7+ years of experience in the industry, O'Connell's Electrical Contractors is who you need to take care of all your electrical needs. We will always treat your home as well as we would treat our own, and you will be surprised how simple and easy our team will make the whole process seem. CALL US AT (860) 682-0641 TO SPEAK WITH US TODAY!

"Mike re-wired my basement outlets at my apartment. He figured out that all of them were wired incorrectly. Not only did he restore power to my basement outlets, he prevented an electrical fire from the previous incorrect wiring. He also installed a new bathroom fan/light combo, with Bluetooth speaker capabilities and multiple led light colors. He was efficient, fairly priced and honest. Highly recommend! Thank you again Mike!"

Dominic A on July 2025


Avatar for Shoreline Electric Services, LLC
Shoreline Electric Services, LLC
15 Pent Rd
4.31(
8
)
Approved Pro
Shoreline Electric Services, LLC
15 Pent Rd
4.31(
8
)
Approved Pro
Customers say: Quick response
2 years of experience
Free onsite estimate

Shoreline Electric Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"very helpful and kind"

Tina D on April 2025

Shoreline Electric Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"very helpful and kind"

Tina D on April 2025


Avatar for Cawiamca Heating, Cooling, and Electrical
Cawiamca Heating, Cooling, and Electrical
6 Center Rd W
5.00(
43
)
Approved Pro
Cawiamca Heating, Cooling, and Electrical
6 Center Rd W
5.00(
43
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
386 local quotes requested

FULL SERVICE HEATING, COOLING, AND ELECTRICAL SERVICES. CERTIFIED COLD WEATHER HEAT PUMP INSTALLER -- REBATES AVAILABLE!! Cawiamca Heating, Cooling and Electrical-- Offers top quality heating & cooling & electrical services. Professional Service and Guaranteed Quality Workmanship. Cawiamca is a trusted, BBB A+ Rated Contractor serving the Connecticut Shoreline since 2014.

"Friendly, efficient and extremely competent installation of a new compressor and coil for a forced air system. Also came in with the best estimate. Will definitely use in the future."

Alon G on March 2025

FULL SERVICE HEATING, COOLING, AND ELECTRICAL SERVICES. CERTIFIED COLD WEATHER HEAT PUMP INSTALLER -- REBATES AVAILABLE!! Cawiamca Heating, Cooling and Electrical-- Offers top quality heating & cooling & electrical services. Professional Service and Guaranteed Quality Workmanship. Cawiamca is a trusted, BBB A+ Rated Contractor serving the Connecticut Shoreline since 2014.

"Friendly, efficient and extremely competent installation of a new compressor and coil for a forced air system. Also came in with the best estimate. Will definitely use in the future."

Alon G on March 2025


Avatar for Cannon Electric LLC
Cannon Electric LLC
5.00(
17
)
Approved Pro
Cannon Electric LLC
5.00(
17
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1 years of experience

Our team is led by a master electrician with over 34 years of experience in the electrical and construction industries. With our founder personally overseeing each project, we ensure the highest level of expertise and hands-on attention to detail. Every team member shares the same passion for providing honest, top-quality service. We work closely with our customers, offering customized solutions for both residential and commercial electrical needs. We approach every job with care and professionalism. When you’re looking for electrical contractors, you want a company that offers both expertise and integrity. With over 34 years of our founder’s experience, we are proud to deliver dependable electrical services that meet the highest standards. We stand out because we truly care about providing the best value to our customers. We don’t cut corners or upsell unnecessary services; instead, we focus on honest pricing and high-quality materials.

"Tim and Stacy got us into their schedule very quickly, and Tim did a very nice job installing our new outlet. He did quality work and restored everything well. The price of the project was reasonable and was right on track with the initial estimate."

Michael W on February 2025

Our team is led by a master electrician with over 34 years of experience in the electrical and construction industries. With our founder personally overseeing each project, we ensure the highest level of expertise and hands-on attention to detail. Every team member shares the same passion for providing honest, top-quality service. We work closely with our customers, offering customized solutions for both residential and commercial electrical needs. We approach every job with care and professionalism. When you’re looking for electrical contractors, you want a company that offers both expertise and integrity. With over 34 years of our founder’s experience, we are proud to deliver dependable electrical services that meet the highest standards. We stand out because we truly care about providing the best value to our customers. We don’t cut corners or upsell unnecessary services; instead, we focus on honest pricing and high-quality materials.

"Tim and Stacy got us into their schedule very quickly, and Tim did a very nice job installing our new outlet. He did quality work and restored everything well. The price of the project was reasonable and was right on track with the initial estimate."

Michael W on February 2025

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FAQs for electrical wiring or panel upgrade projects in Groton, CT

HVAC systems consume the largest portion of household electricity, as they operate frequently throughout the year. Water heaters represent another significant energy user in most homes, along with refrigerators that run continuously. Clothes dryers, dishwashers, and cooking appliances also contribute substantially to electricity usage. Entertainment systems, particularly those left in standby mode, can collectively add meaningful amounts to monthly bills.

Time-of-use electricity plans charge different rates depending on when you use power. Peak hours—typically weekday afternoons and evenings—come with premium rates, while overnight and weekend hours often feature discounted pricing. Households that can shift major electricity usage to off-peak hours may benefit from these plans. The effectiveness depends on your schedule flexibility and ability to run major appliances during lower-rate periods.

Solar power systems represent a significant investment, currently averaging between $18,115 and $35,165 for residential installations. The financial benefit varies based on your location's sun exposure, local electricity rates, and available incentives. Homes with consistently high electricity bills see better returns on solar investments. Many homeowners consider both immediate savings and property value enhancement when evaluating solar options. Contact solar panel installers near you to discuss the potential costs and benefits for your home. 

The Groton, CT 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.
Electrical outlet with three slot receptacles installed on the kitchen island
Jun 29, 2025
Jun 29, 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.
lightning rod protection system installed on roof of house
Jun 21, 2025
Jun 21, 2025
Budget for lightning rod installation costs based on factors such as rod type, protection system type, labor, upgrades, and more.
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.
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.
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