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Firefly Services Inc
4.7(
504
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Stonecrest, 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 Britebox Electrical Services
Britebox Electrical Services
4.4(
36
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Stonecrest, GA and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Customers say: Super punctual

"Three light fixtures installed to existing wiring, less than an hour to survey work, perform task, and do paperwork...$387...Really surprised my elderly parents and me...Just found out through this experience, they have taken over the electrical for Ragsdale Heating and Air, liked it better when Ragsdale did their own electrical...So buyer beware when dealing with this company."
Response time2 days
7 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Energy Elite Power Systems, Inc
Energy Elite Power Systems, Inc
5.0(
6
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install+3 more

Serving Stonecrest, GA and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Generac 40KW Gen
Generac 24 KW
Generac 26 KW
Generator Installations
Interlock Kit

+1

Response time1 day
Response rate96%
29 neighbors recently requested a quote
Avatar for Premier Generators
Premier Generators
New to Angi
Fixed Generator - Install

Serving Stonecrest, GA and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

Premier Generators has helped homeowners and businesses across the Southeast protect what matters with reliable Generac home standby generators for over 30 years.\n\nWhen power goes out, your generator is designed to start automatically and restore power within seconds, helping keep your home or business running smoothly. We start by learning what matters most on your property, then guide you through a clear process: right-sized recommendations, permitting, installation, and complete start-up and testing.\n\nOur relationship does not end at installation. We provide service and maintenance to help your system stay ready, including routine inspections, preventive maintenance, and repairs. Ask about maintenance plans and support options, plus warranty coverage that can extend up to 10 years.\n\nWhether you’re protecting a whole home or a commercial site, we’ll help you choose the right solution for your needs and leave you feeling confident, informed, and prepared long before the next outage.

158 neighbors recently requested a quote
Avatar for Global Electrical Contractors, LLC
Global Electrical Contractors, LLC
5.0(
1
)
Fixed Generator - Install

Serving Stonecrest, GA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

Global Electrical Contractors is your trusted partner for residential and commercial electrical services. Proudly serving the Atlanta area since 2018, we have built our reputation on safety, quality workmanship, and dependable service. We take pride in what we do and strive to provide every customer with a true 5-star experience from start to finish. With competitive pricing and a customer-first approach that makes you feel like family, our team is ready to help with all of your electrical needs. Please feel free to give us a call directly if you need service. We appreciate your business !

6 neighbors recently requested a quote
Avatar for Casteel Heating & Cooling, LLC (East)
Casteel Heating & Cooling, LLC (East)
4.0(
1
)
Fixed Generator - Install

Serving Stonecrest, GA and surrounding areas

Approved

In business since 1987

Emergency services offered

Warranties offered

Casteel Heating, Cooling, Plumbing and Electrical is the company you can trust with your home service needs. We offer installation, repair and replacement services based on flat rate pricing and never any emergency fees. Our highly educated technicians pride themselves on their craftsmanship and customer service. Casteel offers industry leading warranties and guarantees to include our Amazing Care Guarantee. You get 5 star service or your service call is free! At Casteel we know your time and money are valuable, for this reason we provide you with the ability to track your technician right to your door. With fair pricing, top notch team members and our Amazing Care Guarantee, you will not go wrong with Casteel as your home services company of choice.

Casteel electrician looking at breaker box
4 neighbors recently requested a quote
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Generator Install questions, answered by experts

Here’s what you can run with different wattages and types of generators:

Portable generator:

  • 2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. 

  • 4,000 watts will keep two large appliances operating and a few smaller devices.

  • 8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.

Partial to whole-house generator:

  • 20,000 watts and above will make it seem like your home’s power is still on.

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.

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around $300 on average, while installing a new whole-house generator costs around $5,000 on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.

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 Stonecrest, GA homeowners’ guide to generator installs

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