Fight rising electric rates by going solar with SUNation and SAVE on modules, inverters, and more!
Go solar with SUNation, and beat rising utility rates!
We have been helping Long Islanders save with solar, storage, roofing, battery storage and MORE for over 20 years!
Learn more about switching to solar with SUNation and say goodbye to expensive electric bills.
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.
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.
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 Systems, Your Panels, Your Power! Keep your roof's revenue in your hands by owning your solar panel system on Long Island.
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!
SUNation offers various options for solar financing that are tailored to fit your unique project and your individual needs!
SUNation Energy offers a LIFETIME workmanship warranty!* (*see contract for details)
All of our solar panels offer a full 25-year performance warranty.
Solar panels take advantage of the most abundant energy source, THE SUN, and the way in which they function is actually a lot more simple than you may think:
Each solar system we install on Long Island has an internet-connected monitoring system. You can go online and see what every solar panel is producing in real-time.
Yes, solar systems do make power on rainy and snowy days, but at a level proportionately reduced to the diminished sunlight levels.
SUNation offers only high-efficiency, premium-quality solar panels in Long Island with expert workmanship and installation. For the most part, solar systems of this quality require little maintenance over their lifespan, if any at all.
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.
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