Wainscott, NY | 631-537-5212

Tomorrows Power Solutions Today


Offering alternative power solutions to residential and commercial customers.

Our new 10,000 sq. ft. state-of-the-art facility is located on Long Island. We stock and maintain a large inventory of commercial and residential generators, automatic transfer switches and factory parts. Our factory trained technicians are authorized for start-up inspections, warranty work, repair and maintenance services. We have fully stock fleet of service vehicle that provide 24/7 emergency services to all our valued customers.

Understand the source of your power

• Gas generators

• Diesel generators

• Bi-fuel generators

• Turnkey installation

• Standby/prime power

• Crane/rigging services

• Spec & Bid quotes

• On site evaluations

• Power monitoring

• U P S Systems

• Custom switchgear

• Load bank testing

• Alternative power systems

• Rental Units/cable


Our services are extensive:

Our team has a fully stocked vehicle fleet ready to provide EMERGENCY services at a moment's notice. You'll find our trained technicians understand your needs, before you realize what services you require. Choose from our extensive inventory and harness more power today. GT Power Systems. Inc. offers exclusive products such as MTU On Site, formally Detroit Diesel, Generac, Caterpillar, and Yanmar's mCHP systems that hold a high reputation in a variety of markets.

Our fleet comes to you whenever you need us

There when you need us, 24 HOURS a day, 7-days a week.


• Preventative maintenance contract

• Co-generation

• Technical support

• Remote monitoring

• Automatic transfer switches

• 24/7 emergency service

Our services