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TRUSTED BY ROCHESTER, MI HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon29
    Verified generator installs reviews

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

St. John Electric
4.9(
69
)
Fixed Generator - InstallPortable Generator - Install

Serving Rochester, MI and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"I would give Kevin and St. John Electric 10 stars if I could. He put in a fairly challenging outlet for me and also a second outlet for a freezer in the basement and did an excellent job. Very reasonable pricing. I will definitely be calling him in the future for a generator installation. I recommend him highly and without reservations."
Response time1 day
3 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for AG Electric, LLC
AG Electric, LLC
4.8(
23
)
Portable Generator - Install

Serving Rochester, MI and surrounding areas

Approved

In business since 2009

Free estimates

Customers say: Quick response

"We have had Andy do a couple of electrical projects for us. Reasonably priced. Quality Work. He tested running the generator and made sure the electrical systems in the house were running on the new generator after the electrical upgrade. Highly recommend."
Recommended by100%of homeowners
Avatar for Electrician Near Me LLC
Electrician Near Me LLC
5.0(
15
)
Generator - Install - For Business

Serving Rochester, MI and surrounding areas

Approved

Emergency services offered

Warranties offered

Small jobs welcome

"Andrew came to our house between Ann Arbor and Plymouth at 8 PM on Tuesday when a storm caused an electrical outage. We had a generator but we're only getting partial power in the house. Andrew ran tests inside the house, determining that not enough power was coming into the house. He then started testing different areas of the generator until he found the part not working. Once he located the problem, he quickly fixed it. Because he didn't give up on me or my problem, he restored electricity, saving me hundreds from food spoilage in a refrigerator and freezer. I don't think most electricians would have stuck with the problem or been able or willing to fix the generator. If I could give more than 5 stars, I would."
Service panels
Wholehouse Generator
New Panel
New construction
7 neighbors recently requested a quote
Avatar for Lighthouse Electrical Service
Lighthouse Electrical Service
4.6(
107
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Rochester, MI and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"We hired Lighthouse Electrical to install a generator interlock kit for our house and am very impressed at how smooth everything went. They were the cheapest out of 5 quotes, but didn't cut any corners. Corey came out on site for a quote which added comfort that he won't try to extra bill us once the work was to be done, and we got the install scheduled within a week from calling. Christian came out to do the install and once everything was complete he vacuumed up and walked me through how to use the switch. As a cherry on top, they didn't add a surcharge for paying by credit. I couldn't be happier with the experience."
Generac Generator
Panel Upgrade
EV Maintenance
Landscape Lights
Specialized Lighting

+4

Response time3 hrs
Response rate92%
2 neighbors recently requested a quote
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Generator Install FAQs, answered by experts

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.

As a safety measure, you should always turn off the main breaker while operating your generator’s backup breaker. In addition, you should also switch off all appliance breakers so you don't have a power surge when the main breaker turns back on. And finally, turning off the main breaker prevents back-feeding, which endangers utility workers with the risk of electrocution. Back-feeding could also destroy the electrical circuits of your neighbors if they use the same power network.

Yes, installing a generator usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly.

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. 

It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around $300 on average, while installing a new whole-house generator costs around $5,000 on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.

The Rochester, MI homeowners’ guide to generator installs

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