*The Angi rating for Generator Install companies in Illiopolis, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
*The HomeAdvisor rating for Generator Install companies in Illiopolis, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
Last update on April 22, 2026
Serving Illiopolis, IL and surrounding areas
Approved (Corporate)
In business since 1993
Free estimates
Emergency services offered
"2 friendly guys that did awesome work. Transfer switch works great and it's nice to see them clean up when done. I would definitely use the tiger again for electrical work."
+5
Serving Illiopolis, IL and surrounding areas
In business since 2015
Free estimates
Emergency services offered
"Luis was absolutely phenomenal. He installed for us a 240volt connection in our garage for our electric car. He gave us the best price, was on time, very professional, and took the time to explain everything to us before and during the process of installation. Incredible, meticulous work. Thank you Luis."
+8
Serving Illiopolis, IL and surrounding areas
In business since 2018
"Ck Contractors were able to make my ideas of kitchen lighting into a reality. They were courteous, respectful, and reasonably priced. I would hire them again for future remodeling."
Serving Illiopolis, IL and surrounding areas
In business since 2025
Free estimates
Credit card accepted
"Ryan and his team installed a whole house generator for us as well several additional outlets in our home. Very timely and professional. Would recommend to anyone needing electrical service."
Serving Illiopolis, IL and surrounding areas
In business since 2010
Free estimates
Credit card accepted
"I was so impressed at the excellence and professionalism of this company in doing the projects I needed for my remodel. Iâ m learning that surprises are to be expected when doing so, and for a homeowner, what would be daunting for me, was dealt with easily and knowledgeably for Ryan and Kyle. Ryan came back to address an issue stemming from the quality of the fixtures I chose, and helped me to find an adequate solution, with patience and a great attitude, which spoke volumes to me. I am grateful to find professionals that do quality work, and possess integrity, and I would highly recommend Ryan and his crew."
Serving Illiopolis, IL and surrounding areas
In business since 1993
Emergency services offered
Warranties offered
"The installation team was very professional yet friendly. They worked hard and cleaned up any mess. They were respectful of my home by laying plastic on the carpeted area and wearing booties."
+27
Serving Illiopolis, IL and surrounding areas
In business since 2018
Free estimates
Emergency services offered
"He was right on time, told us exactly what was wrong and what he did, he was friendly. He did not over charge us, he treated us really well."
Serving Illiopolis, IL and surrounding areas
In business since 2018
Free estimates
Emergency services offered
We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.\n\n\n\n\nWe are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details. We look forward to building a lasting relationship and guarantee your satisfaction!\n\n
Serving Illiopolis, IL and surrounding areas
In business since 2005
Free estimates
Emergency services offered
"Prompt, were on time, and did a great job assisting our client!"
From average costs to expert advice, get all the answers you need to get your job done.
The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.
The cost to install a generator transfer switch depends on several factors. Our guide will help you understand all of the costs.
Natural gas generators are whole-home standby generators that are connected to your home’s natural gas line. The average cost for a natural gas generator is $12,000.
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Whole home generator installations require a professional hand. Read this guide to help you decide which generator is best for your home.
Thinking about a generator installation? Learn about backup power options, costs to expect, and how to hire the right local pro to keep your home running.
