Welcome to Long Island Emergency Power

As a Generac Authorized dealer, Long Island Emergency Power of Deer Park, NY brings you peace of mind with a full line of reliable Generac products backed by world-class service and support. Explore our product selection, then contact us so we can help you select the Generac solution that's just right for you.

  • Emergency power systems that can back up your entire home or business, or just the most essential circuits.
  • Portable power products that let you take your electricity where you need it most, whether it’s a tailgate party or a construction site.
  • Power washers that make it easy to tackle even your toughest cleaning projects.

We Are A PowerPro Elite Dealer

PowerPro is the highest level of distinction available to members of Generac’s dealer network and open only to those that meet the most rigorous set of sales and customer service criteria.  Like Long Island Emergency Power, PowerPro dealers consistently provide outstanding customer service, maintain local product and parts inventory and receive high reviews from their customer base.  PowerPro dealers are committed to providing an outstanding sales and service experience.

My 5241 10 KW generator had a major alternator failure during Sandy. LIEP, the original installer in 2008, was swamped with repair orders so it took a while, but they kept me informed and scheduled me for repair as soon as possible. They did an absolutely superb job in getting it back on line. I couldn't have asked for anything more. They are No. 1 in my book. Incidentally, the generator was past warranty, yet because the failure occurred after a total of only 80 hours run time, Generac stood by their product and supplied the alternator at no cost for parts and labor. The company is to be commended for this act of good will. Jakes, Huntington, NY

Home Backup Generators: What Do You Need To Know?


It starts and stops automatically, and never needs refueling. This video explains how and why.


Hear what several Generac customers have to say about their home backup generators.


Find out why so many homeowners choose a Generac home backup generator over competitive brands.