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Best generator install pros near Andalusia, IL

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Top-Rated Generator install pros in Andalusia - Updated Nov 2026

Avatar for PowerUp Electric
PowerUp Electric
4.6(
21
)
Fixed Generator - InstallPortable Generator - Install

Serving Andalusia, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"When I was looking for an electrician power up, turned out to be the easiest and quickest way to find an electrician that I needed. They worked with me with a schedule that allowed me to continue daily activities and events I was still able to get what I needed done in a week’s time. I am extremely pleased with the outcome. I have a new outlet in my master bath and I have new smoke detectors along with carbon monoxide. I would certainly refer anyone to power up."
Generac Generator
200 Amp Meter
6" Recessed Light
LED Can Lighting
Electrical Repair

+2

Response time1 day
Response rate89%
9 neighbors recently requested a quote
Avatar for Powerup Electric
Powerup Electric
5.0(
9
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Andalusia, IL and surrounding areas

In business since 2024

Free estimates

Warranties offered

"Lane came out and provided estimate for my project! He was truly great! Answered all my questions I had! Was very caring and worked with my hectic schedule! Andy came out to do the install and they got me on the schedule to complete the job so quick! I will recommend PowerUp to all my friends and family! Thank you so much!"
Whole Home Generator Installation
Added Can Lighting to Kitchen
Bathroom Light Fixture
Whole Home Generator Installation
Vanity Light

+7

Response time11 hrs
Response rate90%
Recommended by42%of homeowners
J W Koehler Electric, Inc.
4.8(
2
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Andalusia, IL and surrounding areas

In business since 1969

Free estimates

Credit card accepted

J W Koehler Electric, Inc., has completed a variety of electrical projects and services for local residents and businesses. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Give us a call today!

Recommended by100%of homeowners
Freedom Electrical LLC
5.0(
3
)
Portable Generator - Repair

Serving Andalusia, IL and surrounding areas

In business since 2024

Credit card accepted

"I needed security cameras installed, and I am so glad I ran across Mitchell through Angi. I canâ t say enough good things about this guy! He was on time and communicated well in person and through text. He was fast, efficient, thorough, honest, hardworking, and just an overall decent guy. Once again, my wife and I are so glad that we ran across Mitchell at Freedom Electrical, and we are looking forward to working with him on future projects!"
New install
Upgraded panel
Before
Typical replacement
Response time5 hrs
Recommended by100%of homeowners
Avatar for Mangieri Electric
Mangieri Electric
New to Angi
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Andalusia, IL and surrounding areas

Free estimates

Emergency services offered

Warranties offered

Mangieri Electric is a trusted, locally owned electrical contractor serving residential, commercial, and industrial clients. We specialize in new construction, remodels, service upgrades, backup generator installations, low-voltage systems, and preventative maintenance. Our licensed electricians are known for quality workmanship, honest communication, and completing jobs on time and on budget. Whether you need troubleshooting, a full electrical system, or a custom solution, we’re committed to powering your home or business safely and efficiently. We're proud members of ABC and hold to the highest standards of professionalism and safety.

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Generator Install FAQs, answered by experts

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. 

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.

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. 

The amount of time a standby generator can run continuously is around 3,000 hours on average. However, standby generators can generally run indefinitely as long as they have a continuous fuel supply. Generators hooked up to a home’s natural gas supply are the best option for extended usage, as these won’t rely on a finite fuel supply based on how much you have in storage. Generators running on liquid propane or diesel won’t last as long, as these require fuel storage and regular refueling to stay running.

If your home already has a grinder pump and you’re still noticing issues (like frequently clogged toilets and sinks), it could be time to upgrade your grinder pump. Start by checking your existing horsepower. If there are four or fewer people living in your home, using a 1/2-horsepower grinder pump should be sufficient. Larger households should consider investing in a 1-horsepower grinder pump to maximize wastewater removal efforts.

The Andalusia, IL homeowners’ guide to generator installs

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