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Verified Reviews for Generator Install pros in Cambridge, IL

*The Angi rating for Generator Install companies in Cambridge, 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 Cambridge, 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 November 06, 2025

Find Generator install pros in Cambridge

Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
5.0(
5
)

Serving Cambridge, 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.

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+3

39 neighbors recently requested a quote
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Avatar for Empire Electric, Inc.
Empire Electric, Inc.
5.0(
6
)

Serving Cambridge, IL and surrounding areas

In business since 2022

Credit card accepted

Offers commercial services

"I had hired another electrician that missed two appointments. Empire was at my house when they said they would be there. They were very friendly and courteous. They completed the job exactly as I wanted, finished sooner than expected and under previous bids that I had received. I now have an electrical company that I will call for all my electrical needs. I have already recommended them to my friends. Thanks Empire."
Response time11 hrs
Response rate100%
Recommended by100%of homeowners
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J W Koehler Electric, Inc.
4.8(
2
)

Serving Cambridge, IL and surrounding areas

In business since 1969

Free estimates

Credit card accepted

"JW. Koehler Electric has always had a welcoming professionalism that makes you sure to call them back for other projects in their area. I used them for our Premier customers and the customers are always happy. They respond quickly and if they can do it they will without charging arm and leg. I would definitely recommend JW Koehler !"
Recommended by100%of homeowners
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Freedom Electrical LLC
5.0(
3
)

Serving Cambridge, 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 can’t say enough good things about this guy. He was on time and communicated well in person and through text. He was fast, effective, 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 Electric and Construction, 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
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Generator Install questions, answered by experts

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

Many services include assembling the unit and securing it in the window. Confirm with your provider.

It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around $300 on average, while installing a new whole-house generator costs around $5,000 on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.

Natural gas generators are designed to run for extended periods of time, such as power outages during a natural disaster. Since there’s no limit to the supply of natural gas, they don’t need to stop for refills. However, generators do need maintenance, including pauses to check and add oil. Constantly running them will also cause a lot more wear and tear, leading to a shorter lifespan.

While natural gas generators are costly, they’re a great option for standby power due to the reliability of natural gas as a fuel source. Unlike other fuels, natural gas is delivered through underground pipes, making outages extremely rare and less likely to be affected by the elements. As long as the area isn’t prone to earthquakes, they offer an unlimited supply of natural gas that doesn’t degrade over time or require storage in tanks.

The Cambridge, IL homeowners’ guide to generator installs

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

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