15 Best Solar Companies in Mendon, MA (2025 Reviews)

We analyzed over 1500 solar companies in the nation,
and have selected the top 15 in Mendon based on:

  • Customer review scores
  • Service area for Mendon, MA
  • Company policies and services offered
  • Accreditations and certifications

Average Mendon homeowner saves $1,853/year with solar panels

By EcoWatch Local Advisors

Data Analysis: James Savino

Updated January 24, 2025

Why you can trust EcoWatch

We work with a panel of solar experts to create unbiased reviews that empower you to make the right choice for your home. No other site has covered renewables as long as us, which means we have more data and insider information than other sites. Our rankings are never affected by revenue or partnerships.

Best Solar Companies in Mendon

When looking for the best solar companies in Mendon, sorting through so many options can be overwhelming, but it can pay off since adopting solar energy can offer so many fantastic benefits. Solar panels can be expensive, but adopting solar will save you money on your power bills over many years. In fact, you can expect to save about $22,000 over 20 years.


In this article, we’ll list out the top Mendon solar installers so you can find the best one for your home’s solar energy needs.To receive free quotes from the best solar companies in Mendon, you can click "get quote" below.

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EcoWatch Rankings for Solar Companies in Mendon

Best Local Installer
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EcoWatch Rating

5.0/5

DO IT RIGHT SOLAR

  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Pros icon Prompt Service Delivery
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Grid-Tied Solar System
  • Service icon Consultation
  • Service icon Panel Installation
  • Service icon Battery Storage
  • Service icon System Decommissioning

Website: https://www.doitrightsolarllc.com/
Address: 150 Cornell St, Cranston, RI 02920
Phone: 4134045967
Outstanding Local Installer
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EcoWatch Rating

5.0/5

NEC Solar

  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Consultation
  • Service icon Battery Storage
  • Service icon Panel Installation

Website: http://www.massgoessolar.com/
Address: 121 Broadcommon Rd, Bristol, RI 02809
Phone: 8664464632
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Brightway Energy

  • Con icon Limited information available on website

Services Offered

  • Service icon Panel Installation
  • Service icon Financing Assistance
  • Service icon Battery Storage

Website: https://brightwayenergy.com/
Address: 165 Middlesex Ave, Somerville, MA 02145
Phone: 6179066655
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Neighborhood Solar

  • Pros icon Informative Resources
  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Panel Installation
  • Service icon Consultation
  • Service icon System Decommissioning
  • Service icon Cleaning and Maintenance

Website: https://www.neighborhoodsolar.us/
Address: 140 Spring St, Newport, RI 02840
Phone: 4012390529
Outstanding Local Installer
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EcoWatch Rating

5.0/5

ReVision Energy

  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Pros icon Prompt Service Delivery
  • Con icon Limited information available on website

Services Offered

  • Service icon Community Solar Projects
  • Service icon Consultation
  • Service icon Battery Storage
  • Service icon Panel Installation
  • Service icon Financing Assistance
  • Service icon Cleaning and Maintenance

Website: https://www.revisionenergy.com/
Address: 1980 Turnpike St Ste 2, North Andover, MA 01845
Phone: 9783089041
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Helios Solar Energy

  • Pros icon Reliable Customer Support
  • Pros icon Prompt Service Delivery
  • Pros icon Clear Pricing Policy
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Consultation
  • Service icon Financing Assistance
  • Service icon Permit Assistance
  • Service icon Cleaning and Maintenance
  • Service icon Panel Installation

Website: http://www.hssolarpower.com/
Address: 225 Broadway Suite 910, Methuen, MA 01844
Phone: 9783811815
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Sunergy Solutions, LLC

  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Financing Assistance
  • Service icon Panel Installation

Website: https://sunergysolutionsllc.com/
Address: 75 Gilcreast Rd STE 210, Londonderry, NH 03053
Phone: 8444276527
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Northeast Solar

  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • Pros icon Prompt Service Delivery
  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Permit Assistance
  • Service icon Battery Storage
  • Service icon Financing Assistance
  • Service icon Consultation
  • Service icon Cleaning and Maintenance
  • Service icon Solar Carports
  • Service icon Panel Installation

Website: https://northeast-solar.com/
Address: 136 Elm St, Hatfield, MA 01038
Phone: 4132476045
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Evergreen Solar | RI & MA Solar Panel Company

  • Pros icon Reliable Customer Support
  • Pros icon Informative Resources
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Panel Installation
  • Service icon Permit Assistance

Website: http://goevergreen.solar/
Address: 163 Exchange St STE 201, Pawtucket, RI 02860
Phone: 5085072840
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Sunwatt Solar

  • Pros icon Prompt Service Delivery
  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Con icon Limited information available on website

Services Offered

  • Service icon Consultation
  • Service icon Battery Storage
  • Service icon Cleaning and Maintenance
  • Service icon Financing Assistance
  • Service icon Permit Assistance
  • Service icon Panel Installation

Website: https://sunwatt.us/
Address: 1005 Main St #2129, Pawtucket, RI 02860
Phone: 8447869288
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Great Sky Solar

  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Consultation
  • Service icon Panel Installation

Website: http://greatskysolar.com/
Address: 29 Mill St, Arlington, MA 02476
Phone: 8889660726
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Future Energy Solar

  • Pros icon Informative Resources
  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Pros icon Prompt Service Delivery
  • Con icon Limited information available on website

Services Offered

  • Service icon Financing Assistance
  • Service icon Panel Installation
  • Service icon Permit Assistance

Website: http://futureenergysolar.com/
Address: 21 Olympia Ave unit v, Woburn, MA 01801
Phone: 7819607005
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.9/5

Critical Mass Solar

  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Financing Assistance
  • Service icon Panel Installation

Website: https://www.criticalmasssolar.com/
Address: 33 Leighton St, Pepperell, MA 01463
Phone: 9782721486
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.9/5

Earthlight Technologies

  • Pros icon Prompt Service Delivery
  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Pros icon Reliable Customer Support
  • Con icon Limited information available on website

Services Offered

  • Service icon Skilled Repairs
  • Service icon Tesla Powerwall
  • Service icon Battery Storage
  • Service icon Consultation
  • Service icon Panel Installation

Website: https://www.earthlighttech.com/
Address: 128 West Rd, Ellington, CT 06029
Phone: 8608719700
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Valley Solar

  • Pros icon Informative Resources
  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Pros icon Prompt Service Delivery
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Battery Storage
  • Service icon Cleaning and Maintenance
  • Service icon Financing Assistance
  • Service icon Off-Grid Solar Systems
  • Service icon Panel Installation
  • Service icon Solar Carports
  • Service icon Tesla Powerwall
  • Service icon Consultation

Website: http://valleysolar.solar/
Address: 116 Pleasant St Suite 321, Easthampton, MA 01027
Phone: 4135848844

Methodology: How We Ranked the Best Solar Companies in Mendon

EcoWatch's solar experts analyzed each solar company in Mendon based on criteria such as its reputation in the industry, customer reviews, services, warranty coverage and financing. Using this solar methodology, we used the data we collected to rate and rank each company and narrow down our picks for the best solar companies in Mendon


Below are some the criteria we examined specifically for Massachusetts solar companies

  • Brand reputation and certifications (20%): We take each company's Better Business Bureau (BBB) score into consideration, as well as how long the installer has been in business (at least 5 years is required, 10 preferred) and what type of solar certifications it holds.
  • Customer reviews (20%): Trust is a top priority at EcoWatch, so we take customer experience under close consideration. We scour different review sites and customer testimonials when ranking our top solar companies, checking sites such as Trustpilot and Google Reviews. We also consider any potential complaints or lawsuits filed against these companies and award or remove points accordingly.
  • Warranty (20%): A company earns a perfect score in this category if it offers 25-year warranties that cover performance, product and workmanship. The industry standard that we measure companies against is 25-year product and performance warranties, along with a 10-year workmanship warranty. We also look closely into the track record of the post-installation support each company provides in terms of honoring its contracts
  • Solar services (10%): All of the companies we review install solar panels, but we award companies higher points if they offer additional services for customers, like battery installation, energy-efficiency audits, and EV chargers.
  • Pricing and financing (10%): It's hard to get exact quotes for solar projects, but we use marketplace research to determine how each company prices its equipment and installation services. Additionally, companies that offer more help for panel financing — like in-house loans, leases, or PPAs — score higher than those that don't.
  • Availability (10%): The bigger the service area, the higher the company will score.
  • Transparency and accessibility (5%): Solar installers that offer free consultations and easy contact methods score higher in this category.
  • Environmental, social and corporate governance factors (5%): A company earns a perfect score in this category if it offers public data disclosure, addresses end-of-life (EOL) products or processes, and demonstrates a commitment to uplifting the communities that it serves.

The Cost and Benefits of Solar in Mendon

For the majority of homeowners, whether or not you should invest in a solar energy system comes down to the cost.The installation cost is just one important factor you should bear in mind when looking into installing solar panels. How much it'll cost and how much you can save depend on things such as:

  • Average daily sunlight: Since Mendon gets a decent amount of average daily sunlight, your solar panels can generally produce enough energy to power your whole home, which impacts how much you can save on your energy bills.
  • Incentives: The federal solar investment tax credit, which everyone qualifies for, allows you to deduct 0 of the cost of your solar system installation from your taxes. In addition, not including incentives, you can save about $22,000 over 20 years on your energy bills.
  • Choice of solar panels: The kind of solar panels you buy will affect your total cost. High-efficiency monocrystalline panels will cost more upfront but can also save you more money over the lifetime of your system. If space isn't a constraint for your project, you can opt for a higher number of more affordable panels.
  • Your power bills: This will affect how much money you might save. In Mendon, the average homeowner can save about $1,700 a year on their electricity bills.

Because of solar panels now being cheaper than ever as well as various solar incentives, they are a worthwhile investment for many homeowners.

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Solar Incentives in Mendon

Adopting solar power has lots of great benefits. Not only can it help preserve the environment, but you can also save a good amount of money on your installation with various government incentives.There are a lot of federal, state and local rebates and tax credits that let you earn a decent amount of money back after installing a solar panel system. Take a look at our article on solar incentives to learn what incentives you can benefit from.

Environmental Impact of Switching to Solar in Mendon

One of the most compelling reasons to adopt solar energy is to minimize your reliance on nonrenewable energy sources like burning fossil fuels, which are hazardous for the environment.But you may be curious – how much exactly can you help by using solar power? One thing that can severely influence your carbon footprint is your commute time and how much you drive generally. If you go solar and have an electric car, you can vastly lower your carbon dioxide emissions by charging your car at home.In fact, if you install solar panels, you could look forward to lowering your carbon dioxide emissions by about 40 pounds each year. If you care about the environment, you’ll most likely get that there are many good things about adopting solar power other than just saving money on electricity. You can also help protect the environment, which some would argue is priceless.

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EcoWatch's Mendon, MA Solar Company Rankings FAQs

What is the best solar panel company in Mendon?

In Mendon, DO IT RIGHT SOLAR is the best local solar company. Our team of experts rates it 5.00 stars, so it's a great choice if you're planning to add solar panels to your roof.

What is the negative environmental impact of making solar panels?

Solar panels can be harmful for the environment when manufacturers use toxic chemicals in the construction. Chemicals can make solar panels difficult to dispose of safely once they’ve reached the end of their lifespan. Making solar panels uses a lot of energy as well. The energy payback period is about 1 to 4 years.

Is it worth putting solar panels on my home?

Solar panels can be a great investment for lots of homeowners, but honestly, they might not be worth it for everyone. If your home doesn't get a lot of direct sunlight or your power bills are already reasonably low, solar panels might not be for you.

What is the best kind of solar panel?

The different types of solar panels are monocrystalline, polycrystalline and thin-film. Monocrystalline panels are more efficient but also cost more. Polycrystalline panels are less expensive but also less efficient than monocrystalline. Thin-film solar panels are flexible, so they can be used where the other types can’t, like on curved surfaces or cars, but they are also less efficient. The best one for you depends on your budget, roof layout and how much energy generation you want.

Our goal is to reach as many people as we can with sensible solutions like solar energy. Our team of full-time local researchers collects solar price and installation data for every city in America then compiles it to create these digestible city guides. If you want to read our solar expert’s opinion on the top solar companies featured here, follow this link.