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Avatar for Electrical Maintenance, Corp.
Electrical Maintenance, Corp.
5.0(
13
)
Portable Generator - Install

Serving Grant, MI and surrounding areas

Approved

In business since 1990

Free estimates

Credit card accepted

"John from Electrical Maintenance was very responsive and reliable. The quality and speed of installation was great. Would highly recommend them to anyone with an electrical project. Very profess!"
Response time7 hrs
Response rate85%
Recommended by100%of homeowners
Avatar for PM Technologies
PM Technologies
5.0(
4
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Grant, MI and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"We just had the generator installed today and are so pleased with the guys from PM Technologies from the electricians, helpers, and Ken the salesman. We couldn't have asked for nicer people to do our job."
Additional Photos
Additional Photos
20KW Kohler
Response time1 day
Response rate100%
43 neighbors recently requested a quote
Avatar for Premier Electrical Solutions LLC
Premier Electrical Solutions LLC
5.0(
5
)
Fixed Generator - Install

Serving Grant, MI and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Scott was very professional and thorough. I appreciated that he looked into the specs for the fireplace that was going to be put on the wall, and positioned the outlet where the unit would not be impeded by the plug. I would highly recommend his work!"
Pierson house
Pierson house
Pierson house
Pierson house
Pierson house

+4

Response time8 hrs
Response rate87%
3 neighbors recently requested a quote
Avatar for Apex Precision
Apex Precision
New to Angi
Portable Generator - Repair

Serving Grant, MI and surrounding areas

Approved

Small jobs welcome

At Apex Precision, we take pride in providing reliable, high-quality handyman and general contracting services for residential and commercial customers. From small repairs and maintenance to custom projects, we bring precision, professionalism, and attention to detail to every job.\n\nWe specialize in a wide range of services including drywall, flooring, painting, trim work, repairs, installations, carpentry, and general home improvements. No project is too small or too big — our goal is to deliver dependable workmanship, honest communication, and results you can trust.\n\nCustomer satisfaction is our top priority, and we work hard to make sure every project is completed safely, efficiently, and to the highest standards. When you choose Apex Precision, you’re choosing quality craftsmanship and service you can count on.

Avatar for Ambrose Electrical Services, LLC
Ambrose Electrical Services, LLC
4.9(
19
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Grant, MI and surrounding areas

In business since 2000

Warranties offered

Small jobs welcome

"Fantastic job!! Very polite! They called right away and we were able to set up an appointment for an estimate quickly. The job took less time than he thought it would and even cleaned up after. We will definitely use them again for ANY electrical needs. Thank you Home Advisor for getting us the perfect match!"
Response time1 day
Recommended by100%of homeowners
Michigan Critical Power
4.8(
8
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Grant, MI and surrounding areas

In business since 2002

Free estimates

Credit card accepted

"I’ve been using Michigan Critical Power for several years to service my generator, and they’ve consistently delivered exceptional service. Their technicians are always on time, highly skilled, and clearly well-trained. What stands out most is their honesty and customer-first mindset — they truly look out for your best interests. I’ve never had a single issue with their work, and I can confidently say they’re reliable in every sense of the word. If you need generator service, I’d highly recommend giving them a call.”"
Response time3 days
Recommended by83%of homeowners
Showing 1-10 of 19
Generator Install questions, answered by experts

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.

Yes, natural gas generators can work without electricity. Natural gas generators are a common type of backup or whole-house generator that operates when the electrical grid isn’t working. The trick is using a transfer switch (which usually needs to be installed with the generator) that safely switches the home electrical system from the power grid to generator power when needed.

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.

The cost to install a whole-house generator averages $5,200, with a typical price range of $1,500 to $8,900. However, total costs can vary from $400 for a small portable unit to over $18,000 for a large-capacity system. The most significant cost factor is the generator's size and capacity, but other variables include the brand, fuel type, and labor for assembly and installation.

Generator costs can be broken down by type:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500 to $2,000

  • Partial-Home Generators (9kW–20kW): $2,000 to $6,500

  • Whole-House Generators (22kW–48kW): $5,000 to $18,000

To avoid paying for more power than you need, consider hiring an electrician to calculate the electrical load for your essential appliances. It is also recommended to get at least three quotes to find the best deal for your specific needs and budget.

The Grant, MI homeowners’ guide to generator installs

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