15 Best Solar Companies in Islip, NY (2023 Reviews)

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

  • Customer review scores
  • Service area for Islip, NY
  • Company policies and services offered
  • Accreditations and certifications

Average Islip homeowner saves $1,842/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 Islip

If you're on the hunt for the best solar companies in Islip, combing through hundreds of options can be demanding, but it can pay off since adopting solar power can offer so many fantastic perks. Solar panels can be expensive, but the switch will save you money on your utility bills over many years. In fact, you can look forward to saving about $22,000 over 20 years.

As you set out on your search for the best solar companies in Islip, you might see that there are a large number of providers to choose between. So, we've accumulated a carefully curated list of the top solar companies in the area. To help you find out if solar panels are a good idea for your home, you can get a free, no-obligation quote from one of the best solar companies in Islip by clicking the button below.

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 Islip

Best Local Installer
ecowatch badge icon

EcoWatch Rating

4.9/5

3 Sons Solar Energy Solutions

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

Services Offered

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

Website: http://www.3sonsenergy.com/
Address: 100 Smith St, Farmingdale, NY 11735
Phone: 5165865085
Outstanding Local Installer
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EcoWatch Rating

4.7/5

SunPower by Kamtech Solar

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

Services Offered

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

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

Precision Solar

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

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

3.0/5

Emes Solar

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

Services Offered

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

Website: http://emessolar.com/
Address: 11 Sunrise Plaza, Valley Stream, NY 11580
Phone: 3477652714
Outstanding Local Installer
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EcoWatch Rating

3.0/5

United States Solar Corporation (US Solar)

  • 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 Tailored solutions
  • Service icon Energy storage solutions
  • Service icon Integrated roofing
  • Service icon Home installations

Website: https://www.us-solar.com/
Address: 2150 Post Rd Suite 505, Fairfield, CT 06824
Phone: 2035056969
Outstanding Local Installer
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EcoWatch Rating

4.3/5

SunPower Corporation

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

Services Offered

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

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

4.9/5

Ion Solar Pros

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

Website: http://www.ionsolarpros.com/
Address: 751 Straits Turnpike Suite 2000, Middlebury, CT 06762
Phone: 8665820000
Outstanding Local Installer
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EcoWatch Rating

3.0/5

SunPower Master Dealer SOLAR

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

Website: http://www.kamtechsolarny.com/
Address: 117 Bay 8th St, Brooklyn, NY 11228
Phone: 8002945045
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Open Solar Works

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

Services Offered

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

Website: https://www.opensolar.works/
Address: 4 W Palisade Ave Suite 1110, Englewood, NJ 07631
Phone: 2014295551
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Fusion Solar Energy

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

Website: http://www.fusionsolarenergy.org/
Address: 1059 King Georges Post Rd, Edison, NJ 08837
Phone: 8483159390
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

Sunrun Solar

  • Pros icon Free Quotes
  • 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 Energy storage solutions
  • Service icon Tailored solutions
  • Service icon Expert panel installation

Website: https://www.sunrun.com/
Address: 10 New Maple Ave, Pine Brook, NJ 07058
Phone: 8333245886
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

Invention Solar

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

Website: https://www.inventionsolar.com/
Address: 759 Bloomfield Ave #403, West Caldwell, NJ 07006
Phone: 8459209165
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Bohemia Commercial Solar Clean Energy Solutions

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

Services Offered

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

Website: http://bohemiasolarcleanenergysolutions.com/
Address: 1424 County Road 93, Bohemia, NY 11716
Phone: 6316997022
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.9/5

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

Website: https://leviathansolar.com/
Address: 1993 Pond Rd, Ronkonkoma, NY 11779
Phone: 6315532732
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Sunshine Plus Solar Corp - Solar Panel Company Long Island

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

Services Offered

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

Website: http://www.sunshineplussolar.com/
Address: 399 Little E Neck Rd, West Babylon, NY 11704
Phone: 6314223500

Methodology: How We Ranked the Best Solar Companies in Islip

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


Below are some the criteria we examined specifically for New York 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 Islip

While solar panels can save you a decent chunk of change on electricity bills over time, it's necessary to know the upfront costs. The overall price and potential savings vary depending on some key factors such as:

  • The amount of sunlight your city gets: Due to Islip's high amount of average daily sunlight, you should be able to save a decent amount on your energy bills.
  • Choice of solar panels: The type of solar panels you want will affect your total cost. High-efficiency monocrystalline panels are more expensive upfront but can also save you more money over the lifetime of your system. If you don't need to maximize efficiency, you can go with a higher number of more affordable panels.
  • Your current power bills: Solar panels can noticeably lower, or completely eradicate, your utility bills. In Islip, you can save an average of $75 a month.
  • Incentives: Tax-paying citizens who install a solar energy system this year can save 30% of their overall solar costs by using the federal solar investment tax credit. You can also save about $22,000 on your utility bills over 20 years excluding incentives.

Because of the cost of solar panels being lower than before as well as various solar incentives, they are a sound investment for many homeowners.

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Solar Incentives in Islip

There are several reasons why adopting solar power is beneficial. One of them includes some government incentives that can save you money. When you install solar panels on your house, you become eligible to claim the federal tax credit, or ITC. This credit currently lets you lower your tax bill by 30% of the cost of your solar panels. Additionally, there may often be some regional incentives that you can benefit from to further save. Our article on solar incentives goes over more information on the incentives you can take advantage of in Islip.

Environmental Impact of Switching to Solar in Islip

If you're planning on adding solar panels to your home, one of the principal reasons why may be to reduce your carbon footprint. But you may be wondering — how much exactly can you help the planet by going solar? In a place like Islip where commute times can be very long, installing solar panels can help help reduce the carbon footprint of being on the road a lot. In Islip, the average resident can lower their carbon footprint by 100 pounds a year after going solar. The benefits of solar power are infinite — just like solar power is! That's why so many homeowners have been happy with using solar energy.

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 Islip, NY Solar Company Rankings FAQs

What is the most reputable solar installation company in Islip?

In Islip, Solarmentor.com is the top local solar company. Our team of experts rates it 4.13 stars, so it's a great choice if you're looking to add solar panels to your home.

What are some of the main pros and cons of installing solar panels?

The main advantages of solar power are that it can decrease or, for some, 100% cut your electricity bills, improve the value of your home and bring down your carbon footprint. The main disadvantages are that solar panels can be costly to install, you may not see as many savings 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?

The average payback period for solar panel installation is about 9.0 years, but the exact period varies depending on local electricity costs, incentives and net metering programs.

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

Solar panel capacity is rated depending on how many watts of power they produce under standard testing conditions. Since each panel can typically produce about 250 to 400 watts per hour, the average household 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.