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Avatar for Southern Power Systems, LLC
Southern Power Systems, LLC
4.9(
86
)
Fixed Generator - InstallFixed Generator - Repair

Serving Suwanee, GA and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Randy Hamrick(owner) was very thorough answering my questions and follow up. The installation crew was pleasant and efficient. Generator installation was completed on the date promised."
Generator Installation
Generator Installation
Generator Installation
Generator Installation
Generator Installation

+2

Response time2 days
72 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Brooks Electrical Solutions
Brooks Electrical Solutions
4.7(
173
)
Fixed Generator - Install

Serving Suwanee, GA and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"Rob was on time and did a very professional job. They cleaned up after doing the installation job. I would recommend this company to anyone in need of electrical work. Will definitely use them again."
Sub-panel/Service Light
Sub-panel/Service Light
Main Service for Subdivision Water Pump
home exterior
lighting

+28

Response time6 hrs
1 neighbors recently requested a quote
Recommended by98%of homeowners
Firefly Services Inc
4.7(
504
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Suwanee, GA and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

"Lightning Bug Electric did a wonderful job. We had Josh & Jake come out to install a ceiling fan & a new switch for it in our two story living room. They were extremely nice, funny & professional. They taught us a lot about the home’s existing wiring, & recommendations to upgrade our house that were extremely helpful. The ceiling fan came out great, & the switch as well! I highly recommend them to anyone looking to get electrical work done the right way. Incredible!!"
19 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Argo Total Electric Services
Argo Total Electric Services
4.9(
93
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Suwanee, GA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"The entire experience was AWESOME! The two Electricians were great!! They listened to what we wanted, made it work and stayed late to get the job done in one day. I was totally impressed and would hire them again in a minute!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

25 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for M.J. Power LLC
M.J. Power LLC
5.0(
18
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Suwanee, GA and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

With over a decade of experience, we offer licensed and fully insured electrical services that prioritize both expertise and reliability. We ensure the highest standards of craftsmanship, delivering top-quality workmanship in every project we undertake. Clients can rest assured knowing that their electrical needs are in capable hands, providing them with peace of mind and confidence in the safety and efficiency of their electrical systems.

3 neighbors recently requested a quote
Recommended by88%of homeowners
J & K Electrical Contractors, LLC
4.6(
12
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Suwanee, GA and surrounding areas

Approved

In business since 1996

Free estimates

Credit card accepted

"We hired them last year to install a motion detector over our garage and to disconnect an outdoor junction box and wiring used by the previous owner. They did a great job and were very courteous. They were very responsive to our request and scheduled the appointment for the next day."
Response time2 days
Recommended by90%of homeowners
Avatar for Dependable Electric Service, LLC
Dependable Electric Service, LLC
4.4(
415
)
Portable Generator - Install

Serving Suwanee, GA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"Came in, got straight to work. Lights looked amazing. Only problem was they wouldn’t patch 2 small holes from removing old fixture. I took care of it no problem but it would be common courtesy to take care of that for your customer. Other than that, honestly the guys were extremely professional. He wanted to make sure my lights lined up with existing fixtures so in an event I ever changed it, it could match and looked uniformed to the ones installed. I’d definitely use them again for sure."
Panel Change out
Detached Bar from House
Auto Transfer Panel for Back up generator
Movie Theater
Movie Theater

+62

Response time5 hrs
Response rate91%
1 neighbors recently requested a quote
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Generator Install questions, answered by experts

While diesel is relatively stable, it won’t last nearly as long as propane and you may have to replace it if it sits unused for too long. Diesel can sometimes struggle to work efficiently or start engines during especially cold weather, so it’s not the best choice for every climate. Compared to fuels like propane and natural gas, diesel generators tend to be noisier and create more exhaust, which isn’t always ideal for home use.

In most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home generators. A permit for a generator usually costs between $50 and $250, depending on where you live. Your electrician or certified generator installer will usually pull the permit for you—and might be required to do so by your building department—but you’ll be on the hook for the cost of the permit. You should ask your installer before agreeing to any work if they will pull the necessary permits for your project.

You can expect a diesel generator to last for up to 30,000 hours of use, which works out to 20 to 25 years with the proper maintenance, of course. That depends on how much you use it, so a diesel generator used for emergencies a couple of times a year will last a lot longer than a generator that takes over for a faulty electrical grid every month for a day or two. 

Whole-house generators can run continuously for extended periods, even for weeks at a time (around 400 to 500 hours), as long as they have a sufficient fuel supply. However, this type of extensive use will increase wear and tear and can shorten the generator's overall lifespan. During long periods of operation, it's important to check and refill the engine oil as needed, potentially as frequently as daily depending on the model. If your generator uses a fuel tank, ensure it is kept full to prevent unexpected shutdowns.

Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.

The Suwanee, GA homeowners’ guide to generator installs

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