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*The Angi rating for Generator Install companies in Alpine, TX 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 Alpine, TX 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 01, 2026

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Avatar for The Home Depot - Generators
The Home Depot - Generators
2.5(
1
)
Fixed Generator - Install

Serving Alpine, TX and surrounding areas

In business since 2003

Free estimates

Small jobs welcome

Today, we're proud to be the world's largest home improvement retailer. In 2,300 stores across North America, we aspire to excel in service – to our customers, associates, communities and shareholders. That's what leadership means to us. That's The Home Depot difference.

Generators
Generators
Generators
Generator
Generators

+5

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King WT Electric LLC
New to Angi
Generator - Install - For BusinessGenerator - Repair - For Business

Serving Alpine, TX and surrounding areas

In business since 2016

Free estimates

Offers commercial services

With more than 6 yrs of experience, King WT Electric LLC is dedicated to providing our customers with the best quality at a great price. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!\n

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Generator Install questions, answered by experts

You can expect a diesel generator to last for up to 30,000 hours of use, which works out to 20 to 25 years with the proper maintenance, of course. That depends on how much you use it, so a diesel generator used for emergencies a couple of times a year will last a lot longer than a generator that takes over for a faulty electrical grid every month for a day or two. 

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. 

Potential benefits of using a natural gas generator include reducing your carbon footprint, lower likelihood of carbon monoxide exposure, budget-friendly operating costs, and low-maintenance, continuous fuel supply. Some possible drawbacks, though, include higher initial installation costs, dependency on a natural gas supply, and installation complexity. Keep in mind that pros and cons will vary based on the type and brand of natural gas generator. 

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

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.

The Alpine, TX 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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