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Find Electrical wiring or panel upgrade pros in Maryville

Avatar for Atomic Electric Service Inc.
Atomic Electric Service Inc.
5.0(
40
)

Serving Maryville, TN and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Had a different company come out to figure out what was making our lights flicker. They never did get it resolved, had Atomic come out and they identified the problem being a bad electrical panel. Replaced it in short order, etc., THESE guys know there stuff."
Outdoor Patio - Outlets
Outdoor Patio - Outlets
Outdoor Patio - Outlets
Outdoor Patio - Outlets
Various Work

+53

Response time4 hrs
Response rate96%
48 neighbors recently requested a quote
Avatar for Mills Electric
Mills Electric
4.7(
20
)

Serving Maryville, TN and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"Excellent. Workers did an excellent job at a very reasonable price. James worked with me to develop a very reasonable approach to address past problems as well as installing the Tesla charger. The approach was cost competitive. I highly recommend Mills Electric."
Electrical Project
Additional Photos
Response time1 day
4 neighbors recently requested a quote
Recommended by61%of homeowners
Avatar for Remnant Electric LLC
Remnant Electric LLC
5.0(
17
)

Serving Maryville, TN and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"We purchased an older home with a lot of "do it yourself" electrical panels and alarms. Tym did a thorough review of the home to give his recommendations and then helped clean up everything we agreed was necessary. He was thorough and honest, and the work was completed in one day. Very happy with the results and would highly recommend him and his company."
Remnant Electric LLC
2 neighbors recently requested a quote
Recommended by33%of homeowners
Avatar for GoHero Home Services
GoHero Home Services
4.2(
74
)

Serving Maryville, TN and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"I called Hero Services after I received a letter from my Homeowners Insurance company informing me a few minor electrical updates in my garage needed to be addressed or they would cancel my policy. Made the initial phone call at 9 am, Chris came over at noon that day. He was familiar with what needed to be done, on time and very polite. He was back at 5 that same afternoon with the materials he needed and finished the job by 6:30. The price was very reasonable and within 9 hours from my initial call I had pictures of before & after work along with his invoice emailed off to my insurance company. I would recommend Hero Service for fast, reasonably priced & professional service!"
Additional Photos
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Additional Photos

+3

Response time11 hrs
Response rate100%
12 neighbors recently requested a quote
Avatar for John H. Coleman Co LLC
John H. Coleman Co LLC
4.8(
103
)

Serving Maryville, TN and surrounding areas

Approved (Corporate)

In business since 1945

Free estimates

Emergency services offered

"The repair went great. Greg Pullins set up the service for me. Brennan was the service repairman who came. I asked him to replace my smoke detectors with new ones (which I had purchased ahead of time), which he did, and he was able to take care of the bathroom exhaust fan by cleaning it out way up in places I hadn't been able to get to myself, saving me the cost of buying a new one. No more chirping is coming from my smoke detectors, and my bathroom fan is working and sounding like it should."
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JHCC Office/Shop
Heat Pump Repair

+3

7 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Mayflower Electric LLC
Mayflower Electric LLC
5.0(
13
)

Serving Maryville, TN and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Customers say: True professional

"Excellent! Nick arrived a few minutes early for the appointment and said the work would take about an hour. He finished in 50 minutes. He was prompt, courteous and very professional. Highly recommend."
Additional Photos
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Additional Photos

+5

1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Thatcher Electric
Thatcher Electric
5.0(
8
)

Serving Maryville, TN and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"you?re looking for an electrician to install a home EV charger, stop searching and hire this team. From start to finish, the experience was outstanding. They arrived on time, communicated everything clearly, and completed a flawless installation with incredible attention to detail. The workmanship was clean, professional, and exceeded my expectations. They took the time to answer all of my questions, made sure everything was tested and working perfectly, and left the work area spotless. It?s rare to find contractors who take this much pride in their craft, but it absolutely shows in the final result. I couldn?t be happier with my new EV charger installation and will gladly recommend them to anyone needing electrical work. Five stars all the way!"
Live Nation
Live Nation
Live Nation
Live Nation
Live Nation

+10

21 neighbors recently requested a quote
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Showing 1-10 of 127
FAQs for electrical wiring or panel upgrade projects in Maryville, TN

Yes, a licensed electrician is essential for this project. Running an electrical service from the road to your house involves connecting to utility power lines, complying with national and local electrical codes, and safely handling high-voltage systems. 

Licensed professionals understand proper wire sizing, grounding requirements, and voltage drop calculations needed for safe installation. Most jurisdictions require permits and inspections that only certified professionals can obtain. The safety risks and potential for property damage make this project inappropriate for DIY attempts.

Overhead installations are less expensive than underground options. For a 1000-foot run, overhead service costs between $8,000 and $15,000, while underground service ranges from $10,000 to $25,000. 

Overhead lines require less labor and fewer materials since they don't need trenching or conduit. However, underground lines offer better protection from weather events and aesthetic benefits. Your decision should balance your budget constraints with long-term reliability and visual preferences.

You might need to upgrade your electrical panel depending on your power requirements. If your existing panel cannot handle the additional load from the extended service, upgrading to a 200-amp service (costing $750 to $2,000) may be necessary. 

A licensed electrician can evaluate your current system and determine if an upgrade is required. Factors include what you'll be powering at the end of the line, existing electrical demand, and whether voltage drop over the distance will affect performance.

Running electric service from the road to a house requires electrical permits from your local building department, costing between $500 and $2,000 depending on your location. You may also need excavation permits for trenching work if installing an underground service. Your utility company will have its own application process for connecting to its grid. A licensed electrical contractor can handle all the necessary permit applications as part of their service, ensuring your installation meets all local code requirements.

The Maryville, TN 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.