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Verified Reviews for Generator Install pros in Winner, SD

*The Angi rating for Generator Install companies in Winner, SD 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 Winner, SD 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 September 08, 2025

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

D & J Electric, Inc.
New to Angi
Fixed Generator - InstallFixed Generator - Repair

Serving Winner, SD and surrounding areas

In business since 1980

Free estimates

We offer over 35 years of experience in the electrical industry. We take on a wide range of electrical projects, to include, full installation for additions and remodels, as well as, generator installs, wiring and panel upgrades, and a variety of other jobs. We take pride in our quality of work and our commitment to outstanding results. We are committed to providing a personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction. No job is too small. We will help you find your short!

Response time12 hrs
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Schrader Electric & Control
New to Angi
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Winner, SD and surrounding areas

In business since 1985

Free estimates

Credit card accepted

Schrader Electric & Control is your trusted electric company serving the Winner, SD and surrounding areas. We have many years of experience and do high quality work. We are prompt, professional and reliable with an emphasis on excellent customer service. \n \nCall us today! \n

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P.Hein Electric
New to Angi
Generator - Install - For BusinessGenerator - Repair - For Business

Serving Winner, SD and surrounding areas

In business since 1973

Free estimates

Credit card accepted

P.Hein Electric is an electrical service company owned by Patrick Hein, who grew up in Winner and graduated from Winner High School in 1988. He left home after graduating and joined the Army to get some training and funding for school. He was given several months of electronics theory and repair in Ft. Gordon, Ga. After graduating from training, he became an Electronics and Telecommunications technician. During his tours he received three Army Achievement Medals for his hard work and ability to solve workshop problems. He even developed a test for equipment repair and single-handedly brought his unit to 100% operational, which had never been done before.

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Generator Install FAQs, answered by experts

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

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.

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.

The Winner, SD 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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