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Top-Rated Electrical wiring or panel upgrade pros in Greenville - Updated Nov 2026

Avatar for Greens Electrical
Greens Electrical
5.0(
26
)
Electrical Wiring or Panel Upgrade

Serving Greenville, SC and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"The breaker had flipped. But they did check my outlet and wiring to ensure everything was okay. Explained why it flipped and how many volts or currents certain outlets in my house would hold."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

Response time1 day
Response rate100%
8 neighbors recently requested a quote
Avatar for U.S. Energy Solutions
U.S. Energy Solutions
4.7(
74
)
Electrical Wiring or Panel Upgrade

Serving Greenville, SC and surrounding areas

Approved

In business since 2015

Warranties offered

Credit card accepted

"The rep suggested several improvements including upgrading to a solar heating system. We are now in the process of installing a solar heating system. With government tax incentives over the next 2 years we will finance $15K. If I just keep paying what I was paying for my monthly power bill towards the solar panels and upgrades the payback is less that 7 years. After which, my electricity is free. System has a 30 year warranty. Looking forward to the installation and will provide feedback once it is installed and in operation."
Horan Solar and Battery -Easley SC
Horan Solar and Battery -Easley SC
Horan Solar and Battery -Easley SC
Horan Solar and Battery -Easley SC
Horan Roof Installation 3rd day

+1

27 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for ARC Electrical Service, LLC
ARC Electrical Service, LLC
4.8(
77
)
Electrical Wiring or Panel Upgrade

Serving Greenville, SC and surrounding areas

Approved

In business since 1998

Credit card accepted

Customers say: Quick response

"Pat and Jeff were wonderful. They both are professional, and knowledgeable. They spent the entire day at our house,and worked nonstop. They hung ceiling fans,light fixtures, and new wiring for one of the fans.I can't say enough good things about them.My husband and I highly recommend them."
Response time2 hrs
Recommended by97%of homeowners
Avatar for Mr. Electric
Mr. Electric
4.8(
62
)
Electrical Wiring or Panel Upgrade

Serving Greenville, SC and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"I will certainly use Mr. Electric for future electrical work. Taylor contacted me almost immediately after I submitted my request to Home Advisor. We arranged an appointment and Taylor and Parks arrived at the agreed upon time. They were both very courteous and extremely professional. They resolved the issue with my wiring promptly and the amount that I was charged was most reasonable. I am absolutely satisfied with Mr Electric of Greenville."
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.
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Switches
EV Charger

+13

Response time7 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for Homeland Electric LLC
Homeland Electric LLC
5.0(
18
)
Electrical Wiring or Panel Upgrade

Serving Greenville, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Credit card accepted

"Matthew installed a new sub panel box for us. His work was thorough and fast. The finished job looked great and worked perfectly. He also installed recess lighting for us. Again another job very well done. Not only is he reliable and does a great job but he's also personable and very kine. We highly recommend Matthew with Homeland Electric"
Response time12 hrs
3 neighbors recently requested a quote
Current Electric LLC
5.0(
10
)
Electrical Wiring or Panel Upgrade

Serving Greenville, SC and surrounding areas

Approved

In business since 2016

Free estimates

Offers commercial services

"We wanted to update our dated kitchen, and needed to upgrade multiple aspects of the electrical. We called Current Electric on recommendation from a friend who had used their services in the past. Through the entire process of replacing the old lighting with more modern fixtures, installing an outlet in the pantry for our toaster oven to free up counter space, and adding a switch under the sink for the new garbage disposal we had plumbers install beforehand, these contractors were friendly, professional and knowledgable. They worked in a timely manner that allowed us to stress less about the project and enjoy the new look and function of our updated kitchen. Everything works just how we had hoped and we intend to use their services for any future electrical work."
Response time8 hrs
6 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Star Power Electrical Contractors
Star Power Electrical Contractors
5.0(
11
)
Electrical Wiring or Panel Upgrade

Serving Greenville, SC and surrounding areas

Approved

In business since 2020

Offers commercial services

"The electrician from Star Power Electrical Contractors was absolutely amazing! When I first tried upgrading my own panel from a YouTube video, I got electrocuted and felt completely defeated. But then this guy shows up, friendly, professional and not an ounce of judgment. Hes the Planet fitness of electricians! Thankyou Star Power for turning my frown upside down!"
Home Rough In
Home Rough In
Home Rough In
Home Rough In
Attic Lights

+9

Response time11 hrs
Response rate100%
25 neighbors recently requested a quote
Avatar for Bester’s Electrical Servicing & Troubleshooting
Bester’s Electrical Servicing & Troubleshooting
5.0(
12
)
Electrical Wiring or Panel Upgrade

Serving Greenville, SC and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"I had a tremendous experience with Bester’s Electrical. Bay and Gino were punctual, polite, and accommodating. And certainly very knowledgeable, as they exerted every effort to make my home safer. I so appreciate their efforts, and would highly recommend for any electric al work."
120/240 30A Recept
1/2 PVC
Dryer Circuit Final
10/3 NM Cable
Weatherhead

+13

2 neighbors recently requested a quote
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FAQs for electrical wiring or panel upgrade projects in Greenville, SC

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 Greenville, SC 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.