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*The Angi rating for Generator Install companies in La Grange, MO 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 La Grange, MO 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 March 07, 2025

Find Generator install pros in La Grange

Avatar for Power Services Company, LLC
Power Services Company, LLC
5.0(
8
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving La Grange, MO and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"They do generators for us. They are very knowledgeable and follow through."
Adams County Generator In
Bank Generator Install
Work Shop install - Iowa
Response time1 day
Recommended by100%of homeowners
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BBS Electric
New to Angi
Fixed Generator - Install

Serving La Grange, MO and surrounding areas

In business since 2023

Free estimates

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

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Simmons Electric
New to Angi
Fixed Generator - RepairPortable Generator - InstallPortable Generator - Repair

Serving La Grange, MO and surrounding areas

At Simmons Electric, we take pride in delivering safe, reliable, and high-quality electrical services you can count on. Whether it's a small repair, panel upgrade, new construction wiring, or a full remodel, we approach every job with professionalism, precision, and attention to detail.\nWe understand that inviting someone into your home or business requires trust. That's why we focus on clear communication, honest pricing, and getting the job done right the first time. Our goal is simple: provide dependable electrical solutions that keep your property powered safely and efficiently.\nFrom troubleshooting and lighting upgrades to service calls and complete installations, Simmons Electric is committed to quality workmanship and customer satisfaction.\nPowering your home. Protecting your investment. Earning your trust.

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Generator Install questions, 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. 

Yes, in most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home models. Because these installations involve significant alterations to your home's electrical system and produce exhaust fumes, local governments often require a permit or inspection for safety purposes. A generator permit typically costs between $50 and $250, depending on your location. Your electrician or certified installer can usually handle the permitting process for you, but you will be responsible for the cost. It's a good practice to confirm with your installer that they will pull all necessary permits before work begins.

Generators are usually sized by running watts and starting watts. Ideally, you’ll want a generator that can offer both the necessary running watts and starting watts for everything you need to power without going beyond 90% of its capacity. Calculate your home’s electrical load based on the breakers in your home or adding up the appliance and lighting needs of connected rooms.

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.

Whole-house generators can run continuously for extended periods, even for weeks at a time (around 400 to 500 hours), as long as they have a sufficient fuel supply. However, this type of extensive use will increase wear and tear and can shorten the generator's overall lifespan. During long periods of operation, it's important to check and refill the engine oil as needed, potentially as frequently as daily depending on the model. If your generator uses a fuel tank, ensure it is kept full to prevent unexpected shutdowns.

The La Grange, MO 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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