15 Best Solar Companies in Islandia, NY (2025 Reviews)
We analyzed over 1500 solar companies in the nation,
and have selected the top 15 in Islandia based on:
Customer review scores
Service area for Islandia, NY
Company policies and services offered
Accreditations and certifications
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Average Islandia homeowner saves $1,842/year with solar panels
Why you can trust EcoWatch
Best Solar Companies in Islandia
Do you want energy freedom in Islandia? Installing solar panels can be a rewarding home project since you can enjoy lots of benefits after adopting solar power. Because solar panels produce their own electrical power, they can greatly reduce your electricity bill each month, if not fully eliminate it. In fact, you could be looking at about $22,000 of savings over 20 years.
There are tons of installers to consider, but in this article, we’ll help you pin down your options by recommending some of the best solar companies in Islandia.To get free quotes from the best solar companies in Islandia, you can click "get quote" below.
Best Regional Coverage
Momentum Solar
- Great warranty coverage
- Representatives are experts on local policies
- Concierge service ensures steady communication
- Slightly limited service offerings
Best for Leasing
Sunrun
- 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 Islandia



GreenLeaf Solar
Reliable Customer Support
Clear Pricing Policy
Free Quotes
Informative Resources
Limited information available on website
Services Offered
Solar Carports
Panel Installation

Marcor Solar
Clear Pricing Policy
Family-Operated Business
Informative Resources
Free Quotes
Limited information available on website
Services Offered
Panel Installation
Financing Assistance
Skilled Repairs


Precision Solar
Free Quotes
Clear Pricing Policy
Reliable Customer Support
Limited information available on website
Services Offered
Grid-Tied Solar System
Permit Assistance
Financing Assistance
Panel Installation

Solar Pro
Informative Resources
Reliable Customer Support
Clear Pricing Policy
Free Quotes
Limited information available on website
Services Offered
Panel Installation
Consultation
Permit Assistance

SSAY Solar Savings All Year
Reliable Customer Support
Clear Pricing Policy
Free Quotes
Informative Resources
Limited information available on website
Services Offered
Consultation
Panel Installation
System Decommissioning

Synergy Smart Homes - Connecticut Solar & Elite SunPower Dealer
Clear Pricing Policy
Reliable Customer Support
Free Quotes
Limited information available on website
Services Offered
Battery Storage
Financing Assistance
Tesla Powerwall
Cleaning and Maintenance
Panel Installation
Consultation
Skilled Repairs

Solar X - Solar Maintenance Professionals
Clear Pricing Policy
Informative Resources
Reliable Customer Support
Prompt Service Delivery
Limited information available on website
Services Offered
Panel Installation
Skilled Repairs
Cleaning and Maintenance
System Decommissioning

Long Island Power Solutions
Informative Resources
Free Quotes
Clear Pricing Policy
Reliable Customer Support
Limited information available on website
Services Offered
Financing Assistance
Panel Installation
Consultation
Battery Storage
Grid-Tied Solar System

NYS Essential Power
Reliable Customer Support
Informative Resources
Clear Pricing Policy
Prompt Service Delivery
Limited information available on website
Services Offered
Battery Storage
Panel Installation
Consultation


Solar Mentor
Informative Resources
Free Quotes
Clear Pricing Policy
Reliable Customer Support
Prompt Service Delivery
Limited information available on website
Services Offered
Cleaning and Maintenance
Panel Installation
Consultation
Permit Assistance
Financing Assistance

GreenLogic Energy
Reliable Customer Support
Clear Pricing Policy
Informative Resources
Free Quotes
Prompt Service Delivery
Limited information available on website
Services Offered
Panel Installation
Consultation
Battery Storage
Methodology: How We Ranked the Best Solar Companies in Islandia
EcoWatch's solar experts analyzed each solar company in Islandia 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 Islandia
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 Islandia
The cost of putting up solar panels has decreased significantly in the past several years, but it’s still a substantial investment for most homeowners.There are quite a few factors you should take into consideration when trying to determine the overall cost and how much you can save, such as:
- Incentives: The federal solar investment tax credit, which can save you some money, lets you deduct 0 of the cost of installing your solar panel system from your federal taxes. Additionally, not including incentives, you can save about $22,000 over 20 years on your energy bills.
- Your current power bills: Solar panels can dramatically decrease, or totally eliminate, your utility bills. In Islandia, you can save an average of $1,525 a month.
- The model of solar panel system you can afford: This depends on your income and budget.
- Energy consumption: Installing a solar system may be a high-cost option for homes that don’t need a lot of energy each month.
As a result of solar panels now being cheaper than ever as well as various solar incentives, they are a sound investment for many homeowners.
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Adopting solar energy can considerably impact both the environment and your power bills. To see how much, check out the calculator below. You can also view our solar panel cost guide for Islandia, NY.
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Solar Incentives in Islandia
One of the benefits of installing a solar panel system is earning incentives from the government.There are a lot of federal, state and local rebates and tax credits that can earn you some money in return after buying a qualifying system. In our article on solar incentives, you can read about the incentives you qualify for in Islandia.
Environmental Impact of Switching to Solar in Islandia
One of the most compelling reasons to switch to solar energy is to decrease your reliance on traditional energy sources like burning fossil fuels, which are destructive for the environment.But how much can using solar energy instead of traditional energy actually affect the environment? A key thing to keep in mind is your overall carbon footprint. For example, if your commute is very long, your footprint may be greater, so switching to solar power for your home can help offset that.While making solar panels releases carbon dioxide emissions, the panels make up for it by greatly decreasing the amount of CO2 you would have released if you still used traditional energy. In Islandia, you can reduce your carbon footprint by 100 pounds a year with solar panels. For those who are worried about the environment, the upfront cost of solar is a small price to pay for offsetting your carbon emissions.
Best Regional Coverage
Momentum Solar
- Great warranty coverage
- Representatives are experts on local policies
- Concierge service ensures steady communication
- Slightly limited service offerings
Best for Leasing
Sunrun
- Expansive service area
- Many financing options
- Some reported issues with customer service
- Some reported issues with door-to-door sales
EcoWatch's Islandia, NY Solar Company Rankings FAQs
What is the best solar installer in Islandia?
In Islandia, Leviathan 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 looking to install solar panels on your roof.
What are the advantages and disadvantages of solar power?
The main advantages of solar power are that it can lower or, in some cases, 100% cut your electricity bills, raise your home’s value and reduce your carbon footprint. The 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 it doesn’t work for all roof types and locations.
How long does it take to see a return on your investment after getting solar panels?
Solar panels usually pay for themselves in about 11.1 years, but your solar payback period will vary depending 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 have to be replaced?
On average, solar panels can last about 25 to 30 years. Some even last up to 50 years, but efficiency decreases by about 0.8% each year. You can choose to replace them sooner if you want to maintain a larger level of energy production.
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.