15 Best Solar Companies in Dennis, MA (2023 Reviews)

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

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

Average Dennis homeowner saves $2,026/year with solar panels

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated September 15, 2023

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 Dennis

As a homeowner in Dennis, you may be considering switching to solar energy and wondering about the best solar companies in your local area. Solar could be a fantastic idea since it has lots of perks. Plus, the solar industry is thriving in Dennis, giving homeowners access to some of the best solar panel installers in the country.

In this article, we'll help you find the best options in your area. If you want to receive free, no-obligation quotes from the best Dennis solar installers, you can click the button below to learn more.

Best National Provider

SunPower

★★★★★
5.0

  • Most efficient panels on the market
  • National coverage
  • Cradle to Cradle sustainability certification
  • Great warranty coverage
  • Expensive
  • Customer service varies by local dealer

Best Regional Coverage

Momentum Solar

★★★★★
4.5

  • Great warranty coverage
  • Representatives are experts on local policies
  • Concierge service ensures steady communication
  • Slightly limited service offerings

Best for Leasing

Sunrun

★★★★★
4.0

  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

EcoWatch Rankings for Solar Companies in Dennis

Best Local Installer
ecowatch badge icon

EcoWatch Rating

4.8/5

SunPower by E2 Solar

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

Services Offered

  • Service icon Home installations
  • Service icon Expert panel installation
  • Service icon Tailored solutions
  • Service icon Business installations
  • Service icon Energy storage solutions

Website: http://www.e2solarcapecod.com/
Address: 831 Main St, Dennis, MA 02638
Phone: 5086947889
Outstanding Local Installer
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EcoWatch Rating

3.0/5

SunPower by BlueSel Home Solar

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

Services Offered

  • Service icon Home installations
  • Service icon Expert panel installation
  • Service icon Tailored solutions
  • Service icon Business installations
  • Service icon Integrated roofing

Website: https://www.bluesel.com/
Address: 17 Jan Sebastian Dr STE 12, Sandwich, MA 02563
Phone: 5088339500
Outstanding Local Installer
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EcoWatch Rating

4.9/5

RES Solar

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

Services Offered

  • Service icon Home installations
  • Service icon Skilled repairs
  • Service icon Expert panel installation
  • Service icon Tailored solutions
  • Service icon Business installations

Website: http://www.ressolar.com/
Address: 15 Marion Way, Cohasset, MA 02025
Phone: 7815453320
Outstanding Local Installer
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EcoWatch Rating

4.9/5

My Generation Energy

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

Services Offered

  • Service icon Home installations
  • Service icon Business installations
  • Service icon Integrated roofing
  • Service icon End-to-end services
  • Service icon Tailored solutions
  • Service icon Expert panel installation
  • Service icon Energy storage solutions

Website: https://www.mygenerationenergy.com/
Address: 100 Independence Dr Suite 10, Hyannis, MA 02601
Phone: 5086949692
Outstanding Local Installer
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EcoWatch Rating

4.9/5

SunWind LLC

  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Expert panel installation
  • Service icon Energy storage solutions
  • Service icon Business installations
  • Service icon Home installations
  • Service icon Integrated roofing

Website: https://www.sunwindllc.com/
Address: 300 Cranberry Hwy, Orleans, MA 02653
Phone: 5082587277
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Cotuit Solar LLC

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

Services Offered

  • Service icon Expert panel installation
  • Service icon Home installations
  • Service icon Integrated roofing
  • Service icon Business installations
  • Service icon Tailored solutions
  • Service icon Energy storage solutions

Website: http://www.cotuitsolar.com/
Address: 29 Trinity Pl, Mashpee, MA 02649
Phone: 5084288442
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Solar Rising

  • 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 Energy storage solutions
  • Service icon Tailored solutions
  • Service icon End-to-end services
  • Service icon Home installations
  • Service icon Business installations
  • Service icon Integrated roofing
  • Service icon Skilled repairs
  • Service icon Expert panel installation

Website: http://www.solarrising.net/
Address: 348 Main St, Mashpee, MA 02649
Phone: 5087446284
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Cazeault Solar

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

Services Offered

  • Service icon Skilled repairs
  • Service icon Business installations
  • Service icon Home installations
  • Service icon Integrated roofing
  • Service icon Tailored solutions
  • Service icon Expert panel installation

Website: http://cazeaultsolar.com/
Address: 1031 Main St, Osterville, MA 02655
Phone: 5084281177
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Green Seal Environmental, LLC

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

Services Offered

  • Service icon Energy storage solutions
  • Service icon Home installations
  • Service icon Tailored solutions
  • Service icon Expert panel installation

Website: http://www.gseenv.com/
Address: 114 State Rd # B, Sagamore Beach, MA 02562
Phone: 5088886034
Outstanding Local Installer
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EcoWatch Rating

4.8/5

ACK Smart

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

Services Offered

  • Service icon Expert panel installation
  • Service icon Energy storage solutions
  • Service icon Integrated roofing
  • Service icon Home installations
  • Service icon Tailored solutions

Website: http://www.acksmart.com/
Address: 4 S Beach St, Nantucket, MA 02554
Phone: 5082571786
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Falmouth Solar, LLC

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

Services Offered

  • Service icon Business installations
  • Service icon Expert panel installation
  • Service icon Home installations
  • Service icon Tailored solutions

Website: http://www.falmouthsolar.com/
Address: Main St, Falmouth, MA 02540
Phone: 5083889299
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

5.0/5

Reliable Solar Solutions, Inc.

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

Services Offered

  • Service icon Energy storage solutions
  • Service icon Expert panel installation
  • Service icon Home installations
  • Service icon Business installations
  • Service icon Tailored solutions

Website: http://www.reliablesolarsolutions.com/
Address: 1 Chace Rd #15, East Freetown, MA 02717
Phone: 5084410921
Outstanding Local Installer
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EcoWatch Rating

4.8/5

Solar Savings solutions LLC.com

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

Services Offered

  • Service icon Tailored solutions
  • Service icon Home installations

Website: http://www.solarsavingssolutionsllc.com/
Address: 32 White Island Rd, Halifax, MA 02338
Phone: 5085909542
Outstanding Local Installer
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EcoWatch Rating

4.6/5

Commercial Solar Guy

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

Services Offered

  • Service icon Integrated roofing
  • Service icon Expert panel installation
  • Service icon Energy storage solutions
  • Service icon Business installations
  • Service icon Home installations
  • Service icon Tailored solutions

Website: https://commercialsolarguy.com/
Address: 1213 Purchase St #2-50, New Bedford, MA 02740
Phone: 5084999786
Outstanding Local Installer
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EcoWatch Rating

4.6/5

Whaling City Solar

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

Services Offered

  • Service icon Business installations
  • Service icon Energy storage solutions
  • Service icon Integrated roofing
  • Service icon Home installations
  • Service icon Expert panel installation
  • Service icon Tailored solutions

Website: https://whalingcitysolar.com/
Address: 1213 Purchase St Unit 2-55, New Bedford, MA 02740
Phone: 5084155661

Methodology: How We Ranked the Best Solar Companies in Dennis

EcoWatch's solar experts analyzed each solar company in Dennis 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 Dennis


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 Dennis

We understand that for lots of homeowners, the choice to invest in solar depends on installation costs. The cost of solar and the savings it generates vary depending on a few important factors such as:

  • The make and model of solar panels you want to get: Higher-efficiency panels have higher prices, so that will shape your budget for your solar project.
  • Incentives: The federal solar investment tax credit currently allows you to decrease your taxes by 30% of the project cost. Your state and even local utility companies may also have incentives and rebates that you can use. In addition, you can save about $24,000 over 20 years on your utility bills, before factoring in incentives.
  • Electricity consumption: The average home in Dennis doesn't use much energy, and therefore may not see as many savings on their power bills.
  • Your current power bills: Solar panels can noticeably reduce, or completely eliminate, your utility bills. In Dennis, you can save an average of $87 a month.

Solar is a profitable investment for most homeowners. You can generate your own electricity instead of paying for it from a utility company and benefit from solar tax credits and rebates, all while helping preserve the Earth.

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Solar Incentives in Dennis

Although solar power is typically a big investment, it can save you a lot of money over many years because of smaller power bills and government incentives. State and city solar incentive programs vary by location and, sometimes, utility company. Many states offer rebates for solar panels, in addition to the federal solar tax credit. You can learn about the incentives you can use in our article on solar incentives

Environmental Impact of Switching to Solar in Dennis

One of the best reasons to adopt solar energy is to cut your reliance on nonrenewable energy sources like burning fossil fuels, which are harmful for the environment. A question many might be asking themselves is how much can they really help preserve the environment by switching to solar power anyway? Something that can severely shape your carbon footprint is how long your commute is and how much you drive altogether. If you switch to solar power and drive an electric car, you can vastly decrease your carbon dioxide emissions by charging your car at home. After you go solar, your carbon dioxide emissions can be reduced by about 40 pounds each year. The perks of solar power are plentiful — just like solar power is! That's why so many people have been happy with making the switch to solar.

Best National Provider

SunPower

★★★★★
5.0

  • Most efficient panels on the market
  • National coverage
  • Cradle to Cradle sustainability certification
  • Great warranty coverage
  • Expensive
  • Customer service varies by local dealer

Best Regional Coverage

Momentum Solar

★★★★★
4.5

  • Great warranty coverage
  • Representatives are experts on local policies
  • Concierge service ensures steady communication
  • Slightly limited service offerings

Best for Leasing

Sunrun

★★★★★
4.0

  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

EcoWatch's Dennis, MA Solar Company Rankings FAQs

Which solar installation company is the best in Dennis?

The best local solar company in Dennis is My Generation Energy, with a rating of 4.01 stars.

What are the best and worst things about solar power?

A few of the biggest pros are that it lowers your power bills, it's environmentally friendly, and it can give you a good return on your investment (ROI). The most notable cons are that solar panels don't produce electricity at night, there is a high upfront cost and solar panels can be an eyesore.

How long does it take for solar to pay for itself?

Solar panels usually pay for themselves in about 8.1 years, but your solar payback period will vary based on your utility costs. The more your typical energy bill, the faster your solar panel system will pay for itself.

How often do solar panels need to be replaced?

Even though the average lifespan of solar panels is 25 to 30 years, that doesn't mean they are completely unusable. What this means is their energy production will have decreased significantly after that point. You can choose to replace them once you've had them for that long or you can continue to use them at a lower efficiency after that time.

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.

Company research was conducted by Melissa Smith and Karsten Neumeister. Local data analysis was conducted by James Savino. See something we missed or could do better? Email the editor.