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Avatar for Mountain NRG Electrical Contractors
Mountain NRG Electrical Contractors
4.9(
21
)
Fixed Generator - InstallPortable Generator - Install

Serving Demorest, GA and surrounding areas

In business since 2016

Warranties offered

Credit card accepted

"Brian, Paul, and Antonio were simply remarkable! Mountain NRG pricing is extremely fair, and I am completely satisfied. I was blessed to find them. I highly recommend them for all your electrical projects and repairs. Boy Howdy, they are good at what they do! Sincerely, Ricky Bradford"
Response time1 day
Recommended by100%of homeowners
Avatar for H & S Electric
H & S Electric
4.8(
4
)
Fixed Generator - RepairGenerator - Repair - For BusinessPortable Generator - Install+1 more

Serving Demorest, GA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

We take on a wide range of electrical projects to include full installation for additions and remodels, as well as generator installs, wiring and panel upgrades and a variety of other jobs. We take pride in our quality of work and our commitment to outstanding results. Innovative Electrical Solutions is committed to providing a personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction. Call us today for a free consultation.

Electrical Upgrade
Panel Upgrade
New Panel
Kitchen Remodel
Kitchen Remodel

+1

Response time2 days
Recommended by100%of homeowners
Avatar for Generator Supercenter of North Atlanta
Generator Supercenter of North Atlanta
New to Angi
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Demorest, GA and surrounding areas

In business since 2018

Free estimates

Emergency services offered

Generator Supercenter of North Atlanta is the company for all your generator needs. We provide high-quality models, have factory certified technicians for repairs and maintenance, and offer turnkey installations.\nWe are the number #1 Generac dealer in North America. Our employees have extensive training to provide a professional experience every step of the way. Our Generators plus installation costs are typically between $11k-$14k. We do not install or sell portable generators.

24kw Air-Cooled Generator
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+9

Gen-Tech, Inc.
New to Angi
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install+1 more

Serving Demorest, GA and surrounding areas

In business since 1999

Free estimates

Credit card accepted

We take on a wide range of electrical projects to include full installation for additions and remodels as well as generator installs, wiring and panel upgrades, and a variety of other jobs. We take pride in our quality of work and our commitment to outstanding results. We're committed to providing a personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

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Generator Install questions, answered by experts

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.

Generators run on a variety of fuel types, ranging from natural gas to solar power. Keep in mind that fuel costs varying by type:

  • Natural gas: $2,000–$21,000 per year 

  • Liquid propane: $2,000–$21,000 per year

  • Diesel: $3,000–$20,000 per year

  • Gasoline: $500–$3,000 per year

  • Solar generator: $2,000–$25,000 per unit

  • Battery backup: $10,000–$25,000 per unit

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.

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.

Generators are safe to use as long as they are installed and operated correctly according to the manufacturer's recommendations. The most critical safety tips are to never use a portable or fuel-powered generator inside an enclosed space due to the risk of lethal carbon monoxide poisoning; always operate it outdoors where fumes can dissipate away from your home. Additionally, never attempt to connect a generator to your home’s electrical panel yourself—hire a professional to ensure the setup meets safety standards. Finally, avoid overloading the generator by not connecting more appliances than it is rated for, as this can damage your equipment or cause a fire.

The Demorest, GA homeowners’ guide to generator installs

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