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Top-Rated Generator install pros in Gretna - Updated Nov 2026

Avatar for JP Electric, Inc.
JP Electric, Inc.
5.0(
21
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Gretna, NE and surrounding areas

In business since 2004

Free estimates

Emergency services offered

"JP Electric installed a Kohler generator for us and they did an excellent job! They were on time and on budget. The generator looks and works great and we could not be happier. HIGHLY RECOMMEND JP ELECTRIC!!!!!"
Kohler 48RCL
KOHLER 20RESD
KOHLER 20RESC
KOHLER 60KW industrial
Kohler 48RCL

+22

Response time1 day
Response rate89%
Recommended by95%of homeowners
Sendgraff Enterprises, LLC
5.0(
3
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install

Serving Gretna, NE and surrounding areas

In business since 2014

Free estimates

Emergency services offered

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.

Recommended by100%of homeowners
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Generator Install FAQs, answered by experts

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.

Whole-house generators need to be installed on level ground several feet away from walls and other objects. Because they tap into the electrical system directly, they usually need to be close to your home electrical panel for a transfer switch installation. It also helps with installation if they are near to a gas line or propane tank installation.

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. 

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.

If you’re wondering if you can use your electric vehicle as a backup battery, it depends on whether your EV is compatible with bidirectional charging. This technology allows energy to flow both ways, enabling vehicle-to-home (V2H) backup power, vehicle-to-load (V2L) for appliances and camping, and vehicle-to-grid (V2G) to support the power grid. Compatible EVs convert stored DC energy into usable AC power, helping reduce energy costs and enhance grid stability while providing emergency backup power.

The Gretna, NE homeowners’ guide to generator installs

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