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Solar Solutions For Your Home!

Explore how SUNation Energy is bringing solar energy solutions to your neighborhood with the help of Island Gutters. Learn how you can save money, reduce your carbon footprint, and power your home with clean, reliable solar energy.

Meet Long Island’s trusted solar experts and take the first step toward a brighter, greener future.

Why SUNation?

Get Your Free Estimate​!

Learn more about switching to solar with SUNation and say goodbye to expensive electric bills.

You're In Good Hands

#1 Solar System and Battery Storage Provider on Long Island

Since 2003, SUNation Energy has been a leading solar provider on Long Island, serving over 10,000 homeowners and businesses with cutting-edge solar, battery storage, EV chargers, roofing, and more. Our efforts save SUNation customers collectively over $28 million annually while ensuring top-notch service and satisfaction.

With 140+ employees in our Ronkonkoma solar showroom, we handle design, engineering, permitting, and installation for residential, commercial, and municipal clients.

Why 10,000+ Homeowners Trust SUNation:

SUNation has met all of my expectations. Our installation was back in November and we have already made use of our battery backup system. I highly recommend using SUNation!

I am very happy with the results and service they provide. Staff and crew were courteous, knowledgeable and neat. My electric bill are now very minimal per month which is the best.

Solar Installation on Long Island, New York

There is not a better solar company out there. We were very pleased with every aspect of the process. I've recommended over 6 people to them and everyone is equally pleased. A++++

Solar Panel System Installation on Long Island

Solar and Battery Storage Systems

At SUNation Energy, we emphasize reliable products for a top-notch solar and battery backup experience. That’s why we offer the Tesla Powerwall, ensuring your home maintains power during outages!

When you add a battery storage system to your solar system, you are not only protecting your home from uncertain events, but you are creating peace of mind.

Purchase to Own

Solar Panel Systems, Your Panels, Your Power! Keep your roof's revenue in your hands by owning your solar panel system on Long Island.

Industry Leader

As one of the nation's premier Solar Companies, we have installed over 9,000 solar systems and are a leading choice for solar and battery storage!

Financing Options

SUNation offers various options for solar financing that are tailored to fit your unique project and your individual needs!

You're In Good Hands

Solar Installation on Long Island, New York

Get Paid to Go Solar!

Terms and Conditions

This offer is valid for purchase-to-own contracts that are signed now through December 2026. Solar systems with certain modules and sizing specifications, with a minimum of 10 kW projected generation, will qualify.  Please refer to your SUNation solar expert for details on equipment availability and qualification for the above promotion. Offer valid as long as inventory of qualifying solar modules allows, and offer is void once inventory runs out. SUNation’s summer discounts are applicable to any standard residential rooftop systems located within SUNation’s regular service areas with specific equipment and sizing requirements, and may be void if project completion is delayed by circumstances outside SUNation’s reasonable control, including, but not limited to, municipal factors, utility factors, individual customer-driven factors, supply-chain factors, inventory shortages and/or force majeure or other factors. Qualification for solar and/or energy storage installation is contingent upon site quality and other factors. All material related to savings is provided for informational purposes only and does NOT constitute tax, legal, or accounting advice. Please consult your own professional tax advisor to confirm your household’s eligibility for any federal, state, or local incentives. SUNation does not give tax advice. Savings from solar varies based on weather, system size, array placement, and other factors. 

Get Your FREE Solar Estimate Today!

Get Paid to Go Solar in 2025 with SUNation!