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TRUSTED BY GLEN ELLYN, IL HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon52
    Verified generator installs reviews

Top-Rated Generator install pros in Glen Ellyn - Updated Nov 2026

Specialty Service Corp.
5.0(
27
)
Fixed Generator - RepairGenerator - Repair - For Business

Serving Glen Ellyn, IL and surrounding areas

Approved

In business since 2002

Free estimates

Offers commercial services

"They are a professional company and have performed many Projects at my home . Joe is a first class professional who always provides great service with a fair price . I would Highly recommend SSC for any electrical projects big or small . The Generator he installed saved us from multiple storms with extended power outages . It was a game - changer , Tony N"
Response time1 day
Recommended by96%of homeowners
Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
5.0(
5
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Glen Ellyn, IL and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

We are the experts in the field of Whole Home Generator Sales and Installation, with over 20 years of experience in the game.\nWe provide turn-key installation by licensed professionals - 24 hour emergency service - Remote Monitoring - Long term maintenance and service by factory trained technicians.

Additional Photos
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Additional Photos

+3

18 neighbors recently requested a quote
Avatar for Power Electric and Construction
Power Electric and Construction
4.8(
94
)
Portable Generator - Install

Serving Glen Ellyn, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Credit card accepted

"I am in process of a deck build. The company involved (Wooddale,Il.) indicated they use a third party electrician that was not affiliated with the deck company, but they utilize their services when need. When I inquired during the build when I would be contacted by electrician, it seemed the build company dropped the ball by not scheduling the electrician. Alex, of Power Electric, Wheaton, Il. is the electrician who when contacted, immediately responded. He came on Tuesday, looked at my needs in the project and gave me a price range due to some 'possible' install issues within the home. because the project manager lacked on scheduling, I asked Alex when he could schedule the job since the installers were ready to start putting the deck boards on the frame. Alex, was AMAZING!!! He scheduled the job two days later. What first grabbed my attention, was Alex's personality- very personable, likeable, positive, etc. If you're a people person, you'd understand. His work is precise and clean. He and his partner (dad) wore booty's or removed shoes inside the house. They worked well together making job go smoothly. Alex took the time to lable the breaker, show me the outlets and what to troubleshoot if needed. And also what to show the installers in order to complete deck. Alex is a people person, dedicated to the customer. I would not only recommend Alex and Power Electric (Wheaton, Il.), I will use them for any furture electrical project in future. Thanks Alex."
before cut
the cut
final product
preparation enclosed space with plastic covers
before lights

+17

Response time4 hrs
Recommended by95%of homeowners
Avatar for D. Grand Electric, Inc.
D. Grand Electric, Inc.
4.6(
157
)
Fixed Generator - InstallPortable Generator - Install

Serving Glen Ellyn, IL and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Showed up precisely on time for the estimate and installation. Electrician was nice and friendly and knowledgeable. The installation process was efficient for the amount of work required, and they cleaned up thoroughly afterwards. Highly recommend."
Bath Recessed Strip Lighting
Track Lighting
Corridor Recessed Lighting
Up-lighting and XL Fan
Track Lighting

+14

Response time2 days
84 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Top Grade Electric, CO
Top Grade Electric, CO
4.8(
20
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Glen Ellyn, IL and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"Steven and his guys upgraded my breaker panel and installed an EV charger. Communication was great and installation was quick while maintaining high quality work. All this for a reasonable price."
Basement Remodel
Basement Remodel
Shower lights
General lighting
Cabinet lighting

+35

5 neighbors recently requested a quote
Recommended by45%of homeowners
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Generator Install FAQs, answered by experts

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.

Yes, in most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home models. Because these installations involve significant alterations to your home's electrical system and produce exhaust fumes, local governments often require a permit or inspection for safety purposes. A generator permit typically costs between $50 and $250, depending on your location. Your electrician or certified installer can usually handle the permitting process for you, but you will be responsible for the cost. It's a good practice to confirm with your installer that they will pull all necessary permits before work begins.

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.

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.

It is safe to run a generator continuously, but you must follow safety protocols to ensure personal and home safety. Read the manufacturer’s instructions for specific recommendations, but the general recommendation is to turn generators off overnight or when you’re away from the house. Overworked generators can pose a fire hazard and if your generator is not in a well-ventilated area, running it continuously could lead to carbon monoxide poisoning.

The Glen Ellyn, IL homeowners’ guide to generator installs

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