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Verified Reviews for Generator Install pros in Marion, IN

*The Angi rating for Generator Install companies in Marion, IN 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 Marion, IN 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 May 13, 2026

Find Generator install pros in Marion

Avatar for Mister Sparky Electric - Indianapolis
Mister Sparky Electric - Indianapolis
4.0(
296
)

Serving Marion, IN and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2008

Emergency services offered

Warranties offered

"Installed lights and outlets in a timely and efficient manner. Cleaned up and left work area neat and orderly fashion. However after he left I noticed one circuit was not working. I called the next day and they sent out another electrician who worked diligently to find the problem. Once found it took only a little while to repair."
Your Indianapolis Electricians!
We have your electrical repairs covered!
Available 24/7 for your electrical emergencies!
Get it done right, get it done safely.
Electricians you can trust!

+1

34 neighbors recently requested a quote
Recommended by85%of homeowners
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Avatar for Knee's Electrical Service
Knee's Electrical Service
4.7(
97
)

Serving Marion, IN and surrounding areas

Approved

In business since 1971

Free estimates

Warranties offered

"The Knee’s Electrical crew did an awesome job with the installation of a whole house generator. They got the job done earlier than expected and were very professional and courteous."
Knee's Electrical Service
Knee's Electrical Service
Knee's Electrical Service
Knee's Electrical Service
Knee's Electrical Service

+5

Response time1 day
10 neighbors recently requested a quote
Recommended by88%of homeowners
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Avatar for Guardian Electric LLC
Guardian Electric LLC
New to Angi

Serving Marion, IN and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

I am a licensed Master Electrician. I have over 17 years of experience in residential, commercial, and industrial electrical work. I also furnish proof of licenses, insurances, and education upon request. \n\nAt this time, my company is new and I am currently only servicing residential customers and commercial customers with light commercial repairs (lighting, switches, outlets, power loss). We proudly provide free estimates for all projects, offer 24/7 Emergency Service, and offer a Warranty on all work.

4 neighbors recently requested a quote
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Generator Install questions, answered by experts

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

With proper maintenance, a whole-house generator can last between 20 and 40 years. The specific lifespan depends on how often and for how long the generator is used, and some models may have their life expectancy rated in hours of operation. To maximize its lifespan, expect to spend around $150 to $300 per year for annual maintenance checks from a qualified technician. During these checks, a technician will inspect the engine filter, starting mechanism, fuel, lubrication, and coolant levels. Consulting your installer and choosing a low-impact fuel like natural gas or diesel can also help ensure your generator lasts as long as possible.

Costs range from $500 to $2,500, depending on generator type and installation complexity.

Generators run on a variety of fuel types, ranging from natural gas to solar power. Keep in mind that fuel costs varying by type:

  • Natural gas: $2,000–$21,000 per year 

  • Liquid propane: $2,000–$21,000 per year

  • Diesel: $3,000–$20,000 per year

  • Gasoline: $500–$3,000 per year

  • Solar generator: $2,000–$25,000 per unit

  • Battery backup: $10,000–$25,000 per unit

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 Marion, IN 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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