How much does it cost to install a whole-house generator?

• <div><p>The cost to install a whole-house generator averages $5,200, with a typical price range of $1,500 to $8,900. However, total costs can vary from $400 for a small portable unit to over $18,000 for a large-capacity system. The most significant cost factor is the generator's size and capacity, but other variables include the brand, fuel type, and labor for assembly and installation.</p><p>Generator costs can be broken down by type:</p><ul><li><p>Portable or Emergency Backup Generators (1kW–7.5kW): $500 to $2,000</p></li><li><p>Partial-Home Generators (9kW–20kW): $2,000 to $6,500</p></li><li><p>Whole-House Generators (22kW–48kW): $5,000 to $18,000</p></li></ul><p>To avoid paying for more power than you need, consider hiring an electrician to calculate the electrical load for your essential appliances. It is also recommended to get at least three quotes to find the best deal for your specific needs and budget.</p></div>

What size generator do I need for a 1500-square-foot house?

• <div><p>A 1,500 square foot home will likely need a 15kW to 20kW generator. When deciding on whole-house generator size, add up the <a href="https://www.angi.com/articles/how-many-watts-house.htm">total wattage</a> of the devices that you’d like to continue running during a power outage. That way, you can ensure you purchase a generator that can power your necessary appliances or medical equipment during an electrical emergency.</p></div>

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Q: How much does portable generator installation cost?

• <div><p>Costs range from $500 to $2,500, depending on generator type and installation complexity.</p></div>

Q: Can I install a portable generator myself?

• <div><p>DIY is possible for basic setups. Professional installation ensures safe and proper electrical connections.</p></div>

Q: Do installations include unit assembly?

• <div><p>Many services include assembling the unit and securing it in the window. Confirm with your provider.</p></div>

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Verified Reviews for Generator Install pros in Kasota, MN

*The Angi rating for Generator Install companies in Kasota, MN 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 Kasota, MN 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 July 13, 2026

Reviewed in July 2026
I had Isaiah come out and give me a quote on my bathroom window (We did a bathroom remodel). They were able to work with us on scheduling, and the installers did a great job.
Lacina Siding & Windows, Inc.
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Reviewed in June 2025
The salesperson was great. The installers were kind and polite. Most important, the windows are fantastic!
Window Concepts of Minnesota Inc
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Reviewed in November 2024
We had Jon M. with Presence Air install a whole home humidifier for us. He was very easy to get along with and helped us find a unit that fit our needs exactly. His work was quick and well done. Because of his recommendation, we were able to remove the four humidifiers we had previously used...
Presence Air LLC
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Reviewed in May 2024
Levell and crew have done several jobs for us now. They finished our basement adding 4 bedrooms and a bath. They also had to put in 2 egress windows. The last time they did work for us they did kitchen and bathroom backsplashes and installed some flooring on our stairwell. Would highly...
Empire Global Contracting LLC
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Reviewed in January 2024
Josh was extremely helpful in walking me through multiple install options which was super helpful. I 100% would use Starlight Electric again.
Starlight Electric LLC
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Reviewed in December 2022
Great company to work with. Got an estimate after showing the technology in our home, agreed on a price, and had constant communication throughout the entire process. Installation went well, and they were responsive to any issues that arose. Job No.: 520242
Mad City Windows & Baths
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Reviewed in December 2022
The guys were friendly,on time and did a good job installing the range hood.
Buzz N' Lawn
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Reviewed in August 2022
My project was replacement of rotted deck posts. This was complicated by utility lines running near the old posts and because the posts had been buried 4 feet down without footings. Cross Construction was able to remove the old posts and install deep concrete footings and new posts that comply...
Cross Carpentry
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Reviewed in March 2022
Fantastic experience from understanding our options to the installation process. Great team and great communication they made it very easy!
American Waterworks
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Reviewed in January 2022
Deluxe Bath installed a tub liner and tiled a shower. The finished work is flawless! Marcin started and completed the job as scheduled, and with no cost surprises. They made every effort to keep our house clean during the work. I highly recommend the company.
Deluxe Bath, Inc.
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Find Generator install pros in Kasota

Midwest Electric and Generator, Inc.

4.1(

325

)

Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Kasota, MN and surrounding areas

In business since 2004

Free estimates

Emergency services offered

"The project was done within 3+ hours and everything was perfect. I'd recommend Midwest Electric and Generator, Inc. to others."

+108

Recommended by74%of homeowners

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Generator Install questions, answered by experts

Costs range from $500 to $2,500, depending on generator type and installation complexity.

DIY is possible for basic setups. Professional installation ensures safe and proper electrical connections.

The cost to install a whole-house generator averages $5,200, with a typical price range of $1,500 to $8,900. However, total costs can vary from $400 for a small portable unit to over $18,000 for a large-capacity system. The most significant cost factor is the generator's size and capacity, but other variables include the brand, fuel type, and labor for assembly and installation.

Generator costs can be broken down by type:

Portable or Emergency Backup Generators (1kW–7.5kW): $500 to $2,000
Partial-Home Generators (9kW–20kW): $2,000 to $6,500
Whole-House Generators (22kW–48kW): $5,000 to $18,000

To avoid paying for more power than you need, consider hiring an electrician to calculate the electrical load for your essential appliances. It is also recommended to get at least three quotes to find the best deal for your specific needs and budget.

A 1,500 square foot home will likely need a 15kW to 20kW generator. When deciding on whole-house generator size, add up the total wattage of the devices that you’d like to continue running during a power outage. That way, you can ensure you purchase a generator that can power your necessary appliances or medical equipment during an electrical emergency.

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

The Kasota, MN 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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