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Find Electrical wiring or panel upgrade pros in Knoxville

Avatar for Mills Electric
Mills Electric
4.7(
20
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"They did an excellent job Justin and John were knowledgeable and efficient in upgrading our homes 70 year old fuse box to a new and more efficient Breaker Box, Mill's Electric gave a fair and Honest estimate for the job they did. We are Grateful and Happy that our home will be much safer and energy efficient they we're a very polite and Great local business and I highly recommend anyone needing Home or Industrial Electrical work done to connect with them for you're Electrical needs?????"
Electrical Project
Additional Photos
Response time1 day
4 neighbors recently requested a quote
Recommended by68%of homeowners
Avatar for Dobbins Electric
Dobbins Electric
4.7(
76
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"We were very happy with the electrical service that Mike Hobbins performed. He has excellent customer service skills, professional, knowledgeable, prompt, and follows through. We highly recommend Mike Dobbins for your electrical needs!"
Response time1 day
1 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Remnant Electric LLC
Remnant Electric LLC
5.0(
17
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Tymothy and his team went above and beyond my expectations. Changed out an outdated panel, installed lighting in multiple rooms, and installed an outside disconnect for a new hot tub. They were so professional in everything they did. Kept job site clean and organized. Completed work before expected. Everything they did works exactly as it should. Would recommend them to anyone needing any electrical work done."
Remnant Electric LLC
3 neighbors recently requested a quote
Recommended by33%of homeowners
Avatar for GoHero Home Services
GoHero Home Services
4.2(
70
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Nick M and Rickie O done an annual electrical inspection of our home. They were knowledgeable, very courteous and provided us with some beneficial information. Like other Hero Services' techs they are one step above the rest. Team members like this will make sure your business will always be successful/"
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+3

Response time11 hrs
Response rate98%
12 neighbors recently requested a quote
Avatar for Mayflower Electric LLC
Mayflower Electric LLC
5.0(
13
)

Serving Knoxville, TN and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Customers say: True professional

"Nick is the epitome of professionalism - he manages the job like a true pro, from concept and ideation to application and execution, he works quickly and efficiently and within the confines of the project scope to simply get the job done. Would hire for any electrical needs I have Knoxville ⭐️⭐️⭐️⭐️⭐️"
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+5

2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Wired Solutions
Wired Solutions
5.0(
3
)

Serving Knoxville, TN and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"The diagnosis was on point, and the service was timely and effective! The technician drove offsite to secure a main power breaker from a local vendor, which would have taken days to order and have delivered to my house. Additionally, he individually tightened all of the panel breakers."
Response time1 day
Avatar for Service Pro Electric LLC
Service Pro Electric LLC
5.0(
6
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

Service Pro Electric is Morestowns premier electrician, providing reliable residential electrical services with professionalism, safety, and quality you can trust. Give us a call for a free quote and a great experience

EV Charger
EV Charger
Panel Upgrade
Panel Upgrade
Troubleshooting Light

+4

10 neighbors recently requested a quote
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FAQs for electrical wiring or panel upgrade projects in Knoxville, 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 Knoxville, 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.