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Top-Rated Solar panel pros in Great Falls - Updated Nov 2026

Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Solar Water Heater System - InstallSolar Water Heater System - Install - For BusinessSolar Water Heater System - Repair+1 more

Serving Great Falls, MT and surrounding areas

In business since 1971

Credit card accepted

"The last was a rental company that we have and we used them for an air conditioning and heating system. It was Bototach Mechanical. It’s been a good program for us. They’re very responsive. I don’t know what the thought process was. My husband said, well let’s try these guys and so we did. We have an older home and it’s proved to be a very good deal. The quality has been pretty good, so I would give them an A for the quality. I will give you one helpful hint though. If the company decides they want to replace an appliance, you need to call them and negotiate with them because you can upgrade, but you need to talk to them in person not just do it over the internet."
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+2

Recommended by65%of homeowners
Avatar for A-Drain Plumbing
A-Drain Plumbing
5.0(
6
)
Solar Water Heater System - Repair

Serving Great Falls, MT and surrounding areas

In business since 2019

Offers commercial services

We take great pride our experience, expertise, quality, and customer service that we provide to meet the needs of the consumer. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Response time11 hrs
Response rate92%
Recommended by100%of homeowners
Avatar for Planetary Systems, Inc.
Planetary Systems, Inc.
0.0(
3
)
Solar Panel InstallSolar Panels For Electric System - Install - For BusinessSolar Panels For Electric System - Repair+5 more

Serving Great Falls, MT and surrounding areas

In business since 1994

Free estimates

Credit card accepted

Planetary Systems has been designing and installing renewable energy systems since 1994, and has over 1600 operational systems from .5kw to 22kw, worldwide. We have always been and remain committed to tested and reliable, yet cutting edge technologies to advance local power generation capabilities. We firmly believe all electrical power should be locally generated and using as much energy as practically feasible from wind, solar, hydro-electric and other renewable sources. \n Planetary Systems offers our own battery technology, integrated power solutions, and the best available products available in the world marketplace. \n \nOur offerings are based on value-added products, not bargain basement prices, and include complete testing, design and integration of systems plus expert technical assistance.

 Grid-tie sell back power system
 Gird-tie sell-back power system
 Off-grid power system
 Grid-connected back power
 Pole mounted solar arrays

+7

Recommended by100%of homeowners
Avatar for TCH Builders & Remodeling
TCH Builders & Remodeling
4.0(
2
)
Solar Water Heater System - InstallSolar Water Heater System - Install - For BusinessSolar Water Heater System - Repair+1 more

Serving Great Falls, MT and surrounding areas

In business since 1999

Emergency services offered

Credit card accepted

If you dream it, we can build it. What's the biggest difference between us and them? We build to last! We offer a full line of Green and Energy Star Certified products, backed by our labor and manufacturer's lifetime transferable warranties. Credit Cards Welcome Financing Available OAC.

Recommended by100%of homeowners
Solar Panels FAQs, answered by experts

You can start narrowing your search for a reputable solar company by finding local, regional, and national companies that service your area and maintain positive reviews online. You should also check the Better Business Bureau’s (BBB) website to see if the company has complaints filed against them. Next, contact the remaining candidates and ask about installation timelines, warranty coverage, and financing options. Choose a company that offers a labor warranty that lasts at least 10 years and prioritizes cash purchases and solar loans.

Learn about common solar blockers in your area to determine how often you should wash solar panels and the best cleaning method:

  • Soot: If you have a fireplace, soot can disperse and accumulate on the solar panels.

  • Debris, dirt, and leaves: These natural elements require light cleaning. Being close to trees or living in a desert area can cause more of these to accumulate.

  • Pollen: Areas with a high pollen count require more frequent solar panel cleaning, and sticky plant material requires a deeper cleaning.

  • Bird droppings: Bird droppings are binding and more difficult to remove. Keep this in mind if you live near a lot of surrounding trees. 

The time it takes to install solar panels depends on the number of panels and the size of your home, but installation takes between two and three days of work. While most contractors can install the panels over the course of a couple of days, switching to solar energy can take two to three months in total. This includes the time it takes to design the system, procure the parts, obtain the permits, install the panels, connect to the main power grid, and get an inspection.

  • Installing a new electrical meter box

  • Replacing your meter base

  • Replacing your service entrance cable 

The cost to install or upgrade an electrical meter box ranges from $100 to $650, including $50 to $250 for the unit. The meter base passes the power from your electric company to your panel. The cost to replace a meter base is roughly $50 to $250. 

Service entrance cables are electrical cables with multiple wires, bringing power from electrical companies to residential buildings. The cost to replace a service entrance cable ranges roughly from $1,000 to $1,500.

A few disadvantages of installing solar panels on your roof include the high up-front costs and the potential for increased property taxes. Installing solar panels can increase the home’s value, which in turn can mean higher taxes. Depending on your area, you should check with your local tax offices for more information. Another potential pitfall is roof leaks from a poor installation, but this shouldn’t be an issue if you hire a reputable company.

The Great Falls, MT homeowners’ guide to solar panel services

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