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  • Average homeowner rating star icon5
    Average homeowner rating
  • Verified reviews icon12
    Verified solar panel services reviews

Top-Rated Solar panel pros in Freetown - Updated Nov 2026

Avatar for ReVision Energy
ReVision Energy
4.9(
134
)
Solar Panel InstallSolar Panels For Electric System - Install - For BusinessSolar Panels For Electric System - Repair+1 more

Serving Freetown, MA and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"Sun Bug is a 5/5 star company. I inquired with 4 solar companies and these guys stood out from the pack from day one with a responsive fast estimate, scheduling that was easy, and an installation crew who arrived on time, were neat and cleaned up every day. They did what they said they would do when they said they would do it and now my new solar panels produce enough energy to cover the average daily use, just as they planned. You must call them before you buy."
Additional Photos
Additional Photos
Additional Photos
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Additional Photos

+29

Response time8 hrs
Response rate100%
1 neighbors recently requested a quote
Devin Tremblay Electric Inc
4.9(
7
)
Solar Panels For Electric System - Repair

Serving Freetown, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Credit card accepted

"Devin was a pleasure to work with and did a wonderful job doing the electrical repairs we asked of him! He even included a few extra things at no extra cost and was the most reasonably priced man in the area for the job! Thanks again Devin! Would absolutely hire again!"
Response time5 hrs
Response rate96%
Recommended by57%of homeowners
Avatar for Tesla, Inc
Tesla, Inc
New to Angi
Solar Panel Install

Serving Freetown, MA and surrounding areas

Approved (Corporate)

In business since 2015

Free estimates

Warranties offered

Tesla Energy provides an all‑in‑one solar‑plus‑storage solution for your home. Sleek, high‑efficiency solar panels paired with Powerwall help you save on electricity bills and protect your homes from outages. The Tesla app gives you real-time visibility into your energy production, usage and savings—and lets you earn money by supporting the grid through Tesla's Virtual Power Plant. Every system is engineered and installed end‑to‑end by Tesla, delivering a modern aesthetic and the confidence that your home is powered by the most advanced renewable energy ecosystem. With our Price Match Guarantee and exclusive incentives, you can be confident you're getting the best value in home energy.

California Home I
California Home I
California Home I
Texas Home
Texas Home

+3

Avatar for SunPower
SunPower
4.2(
105
)
Solar Panel Install

Serving Freetown, MA and surrounding areas

In business since 1985

Free estimates

"I would very highly recommend Sunpower for your solar and battery design and installation - superior solar panel and battery products - absolutely excellent solar panel and electrical installation teams - wonderful customer service support."
Coastal SunPower Solar Installation
West Coast SunPower Solar Installation
NorthEastern Solar Installation
Southern Solar Installation
SunVault™ Storage Helps Keep the Lights On

+3

Recommended by84%of homeowners
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Solar Panels FAQs, answered by experts

Although solar panels harness the sun's power, they come at an environmental cost. The manufacturing process requires large amounts of water and involves hazardous materials like cadmium, silicon, and gallium arsenide. These materials don’t pose safety hazards while the panels are in use but can pose a problem when left in landfills. Over time, hazardous materials can leach into the environment. This is why recycling solar panels whenever possible is better than taking them to landfills.

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.

There are a few qualifying questions you should ask a local solar panel company before hiring them:

  • Will you handle permits for the installation?

  • Does your total price include the equipment and labor?

  • How long do you expect the installation process to take?

  • What kind of workmanship warranty do you include with your installations?

  • Who should I contact if I have a problem with my system after installation?

  • Do you install the panels or outsource the work to third parties?

  • Will you file for solar incentives for me?

The average homeowner needs around 22 solar panels, but the exact number depends on your monthly energy consumption. Your solar professional should size your array to offset your consumption, meaning you’ll need fewer panels if you use below-average amounts of electricity, or more than 22 if you use above-average amounts of electricity. The number of panels also depends on the output of each panel. The average is around 400 watts, but you might need more panels if you install less capable equipment. Since there are so many variables, you should have a professional size your system.

In most cases, installing solar panels will not void your roof warranty. To keep roof warranties intact, check your written warranty or call the manufacturer to ask about clauses regarding roof penetrations. You can also protect yourself by getting written approval or a modified warranty that specifically allows the solar installation type you’re planning. Then, hire a professional solar installer that follows roofing manufacturer instructions and protects the roof during installation.

The Freetown, MA homeowners’ guide to solar panel services

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