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Verified Reviews for Generator Install pros in Hammond, WI

*The Angi rating for Generator Install companies in Hammond, WI 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 Hammond, WI 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 August 26, 2025

Find Generator install pros in Hammond

Avatar for Wisconsin Generators LLC
Wisconsin Generators LLC
5.0(
9
)

Serving Hammond, WI and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Very prompt and professional, installation was in a timely manner. Very helpful with any questions and explanations. After job was complete. Highly recommended."
Whole house back up
Installation Trailer
New propane generator
Partial home backup
Partial home backup

+1

28 neighbors recently requested a quote
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Avatar for Iburg Electric LLC
Iburg Electric LLC
5.0(
5
)

Serving Hammond, WI and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Iburg Electric was timely and professional. I would not hesitate to hire them again. I highly recommend them and will use them in the future."
Recommended by100%of homeowners
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Avatar for MJF Contracting, LLC
MJF Contracting, LLC
New to Angi

Serving Hammond, WI and surrounding areas

Approved

In business since 2008

Free estimates

Credit card accepted

With over 7 years of experience serving the Pierce County area, MJF Contracting, LLC, is the solution for all your electrical and telephone needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Satisfaction guaranteed!

Our Work
Our Work
Our Work
Our Work
Our Work

+5

Response time2 hrs
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Avatar for WALTER'S ELECTRIC OF ELLSWORTH, WIS., INC.
WALTER'S ELECTRIC OF ELLSWORTH, WIS., INC.
5.0(
14
)

Serving Hammond, WI and surrounding areas

In business since 2000

Free estimates

Warranties offered

"Awesome customer service. They are prompt on services. I used them for everything from plumbing, electrical, in floor heat, well system. They are always professional , honest, and very knowledgeable on all the services they provide. They are my go to company for all services I listed above wouldnâ t even think about going anywhere else."
Response time1 day
Recommended by92%of homeowners
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Avatar for WisPro Electric
WisPro Electric
5.0(
2
)

Serving Hammond, WI and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"Ryan was super responsive, professional, friendly and reasonably priced! He made excellent recommendations when I was uncertain of which type of product to use. I would recommend him in a heartbeat, and he will be my first call for any future electrical work I need done. Thank you, Ryan!"
Studio Lighting
Generator Inlet
Minisplit wiring
Ceiling fan
1 neighbors recently requested a quote
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Rentas Electric LLC
New to Angi

Serving Hammond, WI and surrounding areas

In business since 2025

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs.\nIt is our mission to provide excellent customer service from start to completion of a project.\nTo understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner.\nOur reputation is based on service, safety and quality, regardless of how large or small the job.\n

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Generator Install questions, answered by experts

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. 

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

A home that is 2,500 square feet will likely need a 20kW to 25kW generator. Consult your local generator installer to confirm the generator size needed to power your home before purchasing a new one. Be sure to consider how much power your necessary devices need to run.

In most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home generators. A permit for a generator usually costs between $50 and $250, depending on where you live. Your electrician or certified generator installer will usually pull the permit for you—and might be required to do so by your building department—but you’ll be on the hook for the cost of the permit. You should ask your installer before agreeing to any work if they will pull the necessary permits for your project.

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. 

The Hammond, WI 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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