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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

Avatar for MPower Generators, Inc.
MPower Generators, Inc.
4.8(
25
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Repair - For Business

Serving Glen Ellyn, IL and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"I'm very satisfied with his work. I had used him for 16 years and I had him install two different generators. I never had any problems at all and he is very responsive; that is why I have recommended him before."
Powered by MPower Generators
Power outages are a thing of the past.
Gravel base
Gravel base needs to be compacted
Prefabricated cement pad

+8

Response time1 day
2 neighbors recently requested a quote
Recommended by95%of homeowners
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
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+3

21 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
1 neighbors recently requested a quote
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

"Colin completed the job next day, after our first communication. He provided a very reasonable estimate right away and even installed additional outlets as they fell within the time allotted for the estimate."
Bath Recessed Strip Lighting
Track Lighting
Corridor Recessed Lighting
Up-lighting and XL Fan
Track Lighting

+14

Response time2 days
81 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
Avatar for Imperial electric
Imperial electric
4.8(
19
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install

Serving Glen Ellyn, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Assessed all outlets and changed those that were improperly installed and could damage things plugged into them, and grounded the outlets that were not grounded. 19 recepticles in all. Price was good and arrived on time, and clean."
15 neighbors recently requested a quote
Avatar for Electric Work Force
Electric Work Force
4.9(
25
)
Fixed Generator - Install

Serving Glen Ellyn, IL and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Gayvin was the ultimate professional. He arrived on time, and made recommended suggestions for our older electrical work. Electric Work are not the cheapest, but you shouldn't short cut on an electrical Job."
Installed a beautiful chandelier
Installed a beautiful chandelier
Additional Photos
Additional Photos
Additional Photos

+11

15 neighbors recently requested a quote
Recommended by69%of homeowners
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Showing 1-10 of 154
Generator Install FAQs, 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.

Sizing a generator is a careful process that requires calculating the electrical load of your entire house. You have to take into account every device you want to use and their wattage requirements, plus the wattage needed to start them, and look for a generator that can safely run all that at around 80% capacity.

In more practical terms, a small home can run on a 10,000-watt generator (and if you only want to power a few key appliances, much less than that). A mid-sized home may need something between 15,000 and 22,000 watts. Larger homes require 25,000 watts or more. 

It might seem counterintuitive, but installing a generator transfer switch will save you money in the long run. While you’ll have to pay between $400 and $2,500 to have the transfer switch installed, you’ll recoup that amount later on when you don’t have to pay for expensive repairs to your appliances, devices, and electrical system that may have burned out, overloaded, or stopped working due to a sudden loss of power or an incorrect hook up of a generator to your home. 

Natural gas and electricity rates vary significantly based on location, and pricing can change over time, too. It’s possible that in locations where natural gas is particularly inexpensive, it will cost less than grid-based electricity will. However, you should also factor in the generator’s initial costs and maintenance needs, as well as its noise level and if it can comfortably power all your home appliances.

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.

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.