15 Best Solar Companies in Greenwich, CT (2024 Reviews)

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

  • Customer review scores
  • Service area for Greenwich, CT
  • Company policies and services offered
  • Accreditations and certifications

Average Greenwich homeowner saves $2,040/year with solar panels

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated June 24, 2024

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 Greenwich

If you’re a home or business owner looking to make use of the solar incentives in Greenwich, it can be hard to narrow down which company to decide on. But, it's worth it since switching to solar power is often a good idea. Because solar panels produce their own electrical power, they can greatly offset your electricity bill each month, if not completely eliminate it. In fact, you could be looking at about $24,000 of savings over 20 years.


If you want to make use of the many perks of solar, we’ll help you narrow down your options to find the Greenwich solar installer that’s the right price for you.To receive free quotes from the best solar companies in Greenwich, you can click "get quote" below.

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

Solar Veteran

Trinity Solar

★★★★★
4.0
  • Many financing options
  • Family-owned and -operated
  • Makes charitable contributions
  • Limited service area
  • Relatively short workmanship warranty

EcoWatch Rankings for Solar Companies in Greenwich

Best Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

SunPower

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

Services Offered

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

Website: http://us.sunpower.com/
Address: 400 Executive Blvd Suite 137, Elmsford, NY 10523
Phone: 8007867693
Outstanding Local Installer
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EcoWatch Rating

4.8/5

Kamtech Solar Solutions

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

Services Offered

  • Service icon Panel Installation

Website: http://kamtechsolar.com/
Address: 203 B Sheridan Blvd, Inwood, NY 11096
Phone: 7187362862
Outstanding Local Installer
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EcoWatch Rating

4.8/5

SunPower by New York State Solar Farm

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

Services Offered

  • Service icon Financing Assistance
  • Service icon Consultation
  • Service icon System Decommissioning
  • Service icon Panel Installation
  • Service icon Permit Assistance
  • Service icon Tesla Powerwall
  • Service icon Grid-Tied Solar System
  • Service icon Battery Storage
  • Service icon Cleaning and Maintenance

Website: https://nyssf.com/
Address: 1938 US-44 #55, Modena, NY 12548
Phone: 8452550610
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Ion Solar Pros

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

Services Offered

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

Website: http://www.ionsolarpros.com/
Address: 751 Straits Turnpike Suite 2000, Middlebury, CT 06762
Phone: 8605445362
Outstanding Local Installer
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EcoWatch Rating

4.4/5

Trinity Solar

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

Services Offered

  • Service icon Panel Installation
  • Service icon Permit Assistance

Website: https://www.trinity-solar.com/
Address: 62 Leone Ln, Chester, NY 10918
Phone: 8777867283
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Precision 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 Panel Installation
  • Service icon Grid-Tied Solar System
  • Service icon Permit Assistance
  • Service icon Financing Assistance

Website: https://precisionsolarenergy.com/
Address: 445 Hamilton Ave #1102, White Plains, NY 10601
Phone: 9142205877
Outstanding Local Installer
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EcoWatch Rating

4.7/5

Empower Energy Solutions

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

Services Offered

  • Service icon Financing Assistance
  • Service icon Skilled Repairs
  • Service icon Permit Assistance
  • Service icon Panel Installation
  • Service icon Battery Storage
  • Service icon Consultation

Website: https://empowerenergy.co/
Address: 30 Old Kings Hwy S #1001, Darien, CT 06820
Phone: 4752212353
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Green Hybrid Energy Solutions

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

Services Offered

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

Website: http://www.ghessolar.com/
Address: 11 Washington Pl E, White Plains, NY 10603
Phone: 9143467588
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

DMV Equity, Inc

  • Pros icon Informative Resources
  • 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 Panel Installation
  • Service icon Permit Assistance
  • Service icon Consultation

Website: https://www.dmvequitysolar.com/
Address: 525 Rockland Ave #2222, Mamaroneck, NY 10543
Phone: 8082184169
Outstanding Local Installer
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EcoWatch Rating

3.0/5

PurePoint Energy

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

Services Offered

  • Service icon Battery Storage
  • Service icon Panel Installation
  • Service icon Solar Carports
  • Service icon Consultation
  • Service icon Financing Assistance

Website: https://www.purepointenergy.com/
Address: 22 S Smith St, Norwalk, CT 06855
Phone: 2036424105
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Solar Electric Systems Inc

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

Services Offered

  • Service icon Panel Installation
  • Service icon Cleaning and Maintenance

Website: https://solarelectric.org/
Address: 2 Tibbits Ave, White Plains, NY 10606
Phone: 9147930805
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

Rivertown Solar

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

Services Offered

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

Website: http://rivertownsolar.com/
Address: 23 Main St, Irvington, NY 10533
Phone: 9142316866
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Integrity Solar Solutions

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

Services Offered

  • Service icon Panel Installation
  • Service icon Skilled Repairs
  • Service icon Consultation

Website: http://integritysolarsolutions.com/
Address: 28 New Hempstead Rd suite f, New City, NY 10956
Phone: 8455843100
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

American Solar Partners, LLC

  • 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 Panel Installation

Website: http://www.americansolarpartners.com/
Address: 55 S Macquesten Pkwy, Mt Vernon, NY 10550
Phone: 9146993366
Outstanding Local Installer
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EcoWatch Rating

5.0/5

SSAY Solar Savings All Year

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

Services Offered

  • Service icon Panel Installation
  • Service icon Consultation
  • Service icon System Decommissioning

Website: http://www.solarsavingsallyear.com/
Address: 8 Rusten Ln, Nanuet, NY 10954
Phone: 8084890251

Methodology: How We Ranked the Best Solar Companies in Greenwich

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


Below are some the criteria we examined specifically for Connecticut 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 Greenwich

For many homeowners, whether or not to invest in solar panels comes down to the cost.A few important factors that influence how much it will cost to install solar panels on your home and how much it could save you over time are:

  • System size and type: Some models are more expensive than others, so the one you choose can raise or lower your upfront cost. Plus, the more solar panels you need to buy, the more it'll cost.
  • The cost of energy for you: If your local power rates are quite high, there's a better chance you'll end up with a higher return on your investment in a solar panel system. In Greenwich, you can save an average of $1,900 a month on your electricity bills.
  • average energy usage: The more energy your household uses on average and the larger your current energy bills are, the more likely you'll benefit from going solar.
  • Incentives: Tax-paying citizens who purchase and install a solar energy system this year can save 0 of their overall solar costs by using the federal solar investment tax credit. You can also save about $24,000 on your energy bills over 20 years excluding incentives.

Due to solar panels decreasing in cost as well as local and federal solar incentives, they are a cost-effective investment for the majority of homeowners.

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Solar Incentives in Greenwich

There are a lot of reasons why adopting solar power is beneficial. One of them includes some government incentives you can take advantage of.These incentives normally include cash rebates, tax credits and/or solar renewable energy credits. They can reduce the cost of going solar by 0, upwards of 50% depending on your location. Our article on solar incentives has more information on the incentives you can benefit from in Greenwich.

Environmental Impact of Switching to Solar in Greenwich

Switching to solar energy can have a positive impact on the environment.But – how much exactly can you help the environment by going solar? One thing that can drastically affect your carbon footprint is how long your commute is and how much you drive altogether. If you install solar panels and have an electric car, you can vastly reduce your carbon dioxide emissions by charging your car at home.After you go solar, your carbon emissions can be cut by about 40 pounds every year. Since solar energy is renewable and generates electricity without a carbon footprint, adding solar panels to your home is one easy step you can take to help the environment.

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

Solar Veteran

Trinity Solar

★★★★★
4.0
  • Many financing options
  • Family-owned and -operated
  • Makes charitable contributions
  • Limited service area
  • Relatively short workmanship warranty

EcoWatch's Greenwich, CT Solar Company Rankings FAQs

Which solar company is the best near me?

The top local solar company in Greenwich is SunPower, with a rating of 3.00 stars.

What are the advantages and disadvantages of solar power?

The greatest advantages of solar power are that it can reduce or, in some cases, entirely cut your electricity bills, raise your home’s value and reduce your carbon footprint. The disadvantages are that solar panels can be pricey to install, you may not save as much if you don’t use a lot of electricity and whether you can install solar panels depends on your roof configuration.

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

Solar panels usually pay for themselves in about 10.3 years, but your solar payback period will vary based on your utility costs. The higher your typical power bill, the quicker your solar panel system will pay for itself.

How much solar panel capacity do I need for my house?

Solar panel capacity is rated based on how much power they generate under standard testing conditions. Since each panel can typically produce about 250 to 400 watts per hour, the average home will need 20 to 35 panels.

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.