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Avatar for Greens Electrical
Greens Electrical
5.0(
26
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Belton, SC and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Mr. Green TRULY puts the customer first! He installed a whole house generator for me last August and called to check on us 6 months later because bad weather is coming. Brought me a key and showed me (again) how to add oil. I had several estimates and he beat other prices by several thousand $ AND he installed a bigger generator! I will definitely hire him again and recommend him to every one!! 5 star service *****!!"
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+1

Response time1 day
Response rate100%
7 neighbors recently requested a quote
Avatar for U.S. Energy Solutions
U.S. Energy Solutions
4.7(
74
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Belton, SC and surrounding areas

Approved

In business since 2015

Warranties offered

Credit card accepted

"They are a busy company and I can understand why. It seemed like things were slow but a lot was going on behind what I could visualize. The permits and the Net metering agreement had to be approved first. After that the work began very fast. The waiting on Duke energy was a couple weeks after everything was installed but the results were extremely good. I now have a system that cools the house properly. My power bills went from $320 a month to $9.18 and even with the solar payment I am saving hundreds of dollars a month. The crews were very professional and did not take any short cuts. In this world everyone wants immediate installation and results but somethings take a little time to achieve the results expected. The company kept me up to date with the progress and the channels they had to go through to complete the process. They are very customer oriented and I would recommend them to anyone who was to save money. You have to have long term goals. Mine are going to be achieved with the help of U S Energy solutions. I thank them very much as they not only made me feel like a special customer, they made me feel like part of the family."
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

12 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for US Energy Solutions, LLC
US Energy Solutions, LLC
4.8(
146
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Belton, SC and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"Whole house Generator installation was neat and clean and the electricians, Forest and Kevin were personable, professional and did such a great job! Richard did a wonderful job communicating with us. Great Company! We highly recommend them!"
Roof Mounted Solar System
Solar Battery Energy Storage
Solar Battery Energy Storage
Heat Pump
Air Conditioning Unit

+6

Response time10 hrs
Response rate92%
6 neighbors recently requested a quote
Avatar for GreenGo Electrical Services
GreenGo Electrical Services
4.7(
19
)
Fixed Generator - Install

Serving Belton, SC and surrounding areas

Approved

In business since 2023

Emergency services offered

Small jobs welcome

"Chris and Mr. John did an excellent job installing my patio ceiling fan. I had a tight timeline to get this done and they were able to fit me in. They were courteous, clean, and efficient. I would highly recommend their services."
Response time5 hrs
13 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Homeland Electric LLC
Homeland Electric LLC
5.0(
18
)
Portable Generator - Install

Serving Belton, 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
4 neighbors recently requested a quote
Avatar for Avila Electric
Avila Electric
4.8(
24
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Belton, SC and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"We were affected by Hurricane Helene and had no power. I was running extensions all throughout my house to my generator and it was an absolute mess. I called Greg seeing if he had availability to hook my generator up to my breaker box and told him my situation and how we had no idea how long this outage would last. Greg wasted no time at all to get over here. He was very professional, punctual, funny, and kind. He had my generator hooked up to my breaker box in less than a hour and it was such a blessing. We ended up going 5-1/2 days with no power and it was so much easier to bear this storm with my 3 young kids thanks to Greg’s work. We will definitely be calling Avila Electric for all of our electrical needs!"
Generator hooked up and powering a house during hurricane season.
Additional Photos
Response time3 days
Response rate100%
Recommended by95%of homeowners
Avatar for Corley Plumbing Air Electric Inc
Corley Plumbing Air Electric Inc
4.0(
453
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Belton, SC and surrounding areas

In business since 1986

Emergency services offered

"Corley is great when it comes to routine service checks. They always make suggestions of what can be done to improve systems and provide the costs up front. I personally find that to be expensive so I rarely agree to have anything added. I would recommend them for your routine checks!"
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+5

Recommended by77%of homeowners
Showing 1-10 of 33
Generator Install questions, answered by experts

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. 

In many cases, yes. There are models called dual-fuel generators and fuel switches, but only between certain types of fuel. For example, with the right setup you can convert a generator from natural gas to propane. Some allow switching between diesel and gasoline. There are even tri-fuel generators available in some cases, which adds a large layer of security if you are worried about fuel availability in times of crisis. Always check your generator capabilities and manual instructions before trying to switch fuels. Some generators can use another fuel but may need a fuel conversion kit to prep them first.

In some situations, yes. Never try to put biofuel into any home generator without checking the specifics first. If a generator has the ability to run on diesel, it can also run pure biofuel (the clear kind made from seed oils, for example). But if you are using biofuel made from animal fats or vegetable oils, the generator will need significant modifications before it can handle a sludgier type of biofuel.

You may need a permit for a portable generator if you’ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.

The cost to install a whole-house generator averages $5,200, with a typical price range of $1,500 to $8,900. However, total costs can vary from $400 for a small portable unit to over $18,000 for a large-capacity system. The most significant cost factor is the generator's size and capacity, but other variables include the brand, fuel type, and labor for assembly and installation.

Generator costs can be broken down by type:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500 to $2,000

  • Partial-Home Generators (9kW–20kW): $2,000 to $6,500

  • Whole-House Generators (22kW–48kW): $5,000 to $18,000

To avoid paying for more power than you need, consider hiring an electrician to calculate the electrical load for your essential appliances. It is also recommended to get at least three quotes to find the best deal for your specific needs and budget.

The Belton, SC homeowners’ guide to generator installs

From average costs to expert advice, get all the answers you need to get your job done.