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Avatar for Great Northern Power LLC
Great Northern Power LLC
5.0(
6
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Helena, MT and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

Great Northern Power LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 12 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

11 neighbors recently requested a quote
Avatar for Independent Power
Independent Power
5.0(
5
)
Fixed Generator - Install

Serving Helena, MT and surrounding areas

Approved

In business since 1996

Free estimates

Small jobs welcome

Harness the power of nature and achieve energy independence with Independent Power, founded in Bozeman, Montana and providing the highest quality HVAC, solar and battery systems since 1996. Our team of experts designs and installs high-impact, durable heating & cooling, and solar energy systems, using cutting-edge technology. We can also integrate your system with battery storage, so you'll keep the lights on when the grid is down. Whether you're a homeowner, business owner, or organization, Independent Power can help you gain freedom from the traditional energy grid. We specialize in residential, commercial, and off-grid installations.

19 neighbors recently requested a quote
Avatar for RB Electric, LC
RB Electric, LC
5.0(
21
)
Portable Generator - Install

Serving Helena, MT and surrounding areas

In business since 2015

Free estimates

Warranties offered

"Review by Charles S. Bob was very professional and made time for our needed repair. We were surprised at his low cost and high professional knowledge and actions. We would highly recommend him for any electrical service."
BreakerPanBefore2
BreakerPanAfter2
ServiceBefore2
ServiceAfter2
ServiceBefore

+4

Recommended by100%of homeowners
Avatar for Power Block Electric, LLC
Power Block Electric, LLC
5.0(
1
)
Fixed Generator - Install

Serving Helena, MT and surrounding areas

In business since 2006

Free estimates

Offers commercial services

"He's very fastidious, detail oriented, and clean electrician. Super friendly and extremely responsive when you have questions. Very reasonably priced and incredible value for the level of service he provides. Knowledgeable, and seems like he could do pretty much anything!"
Response time10 hrs
Recommended by100%of homeowners
Montana Power Solutions
New to Angi
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business

Serving Helena, MT and surrounding areas

Free estimates

Emergency services offered

Small jobs welcome

I’ve been working in the electrical industry since 2017 and am a licensed Master Electrician and Generac Service Dealer. Montana Power Solutions serves Helena and surrounding communities, with the ability to travel throughout the area for generator and electrical projects. My specialties include Generac generator installation, maintenance, troubleshooting, warranty service, electrical repairs, panel upgrades, and new construction. I take pride in quality workmanship, honest communication, and doing the job right the first time. My goal is to provide homeowners with dependable electrical and generator solutions they can trust when they need them most.\n

Armko Construction and Electric
New to Angi
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Helena, MT and surrounding areas

In business since 2008

Free estimates

Armko Construction and Electric, has over 20 years of experience. We pride ourselves on quality work and friendly service. We always strive to make sure we keep everything organized, clean and our scheduling as convenient for you as possible. We do free estimates and always do our best to work with you to ensure you get exactly what you want out of your home. We are always professional, honest and up front about all costs, no hidden fees. Every job always has a custom feel, built with your thoughts and needs in mind. We have the knowledge to show you some options and to make helpful suggestions to generate new ideas. We look forward to working with you in the future and bringing out the full potential in your home.

Response time2 days
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Generator Install questions, answered by experts

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.

To reduce AC startup power for a whole-house generator, install a soft start kit or hard start capacitor, which lowers the initial surge by gradually ramping up the compressor. Using a smart load manager can also help by staggering startup loads, preventing a system overload and future costly repairs.

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

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.

The average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.

Cost breakdowns by generator type are typically as follows:

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

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

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

To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.

The Helena, MT homeowners’ guide to generator installs

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