EPS-logo-FINAL-color-without-lower-textEssential Power Systems, LLC offers Generac® residential and commercial standby power expertise as well as electrical contracting services.Over the last decade, with the support of our loyal and valued customers, we have grown to be a leader in the Hudson Valley for Generac® sales, service, installation, warranty and repair.  Located in Lagrangeville (near Poughkeepsie), we have expanded our services, now serving Dutchess, Putnam, Westchester, Southern Ulster, Eastern Orange, and Southern Columbia Counties.

Our customer service team is available Monday-Friday, 8:00am – 4:00pm, to answer questions, provide support, schedule estimate appontments, set up installations, provide helpful information, and more.

Our number one goal at Essential Power Systems is COMPLETE CUSTOMER SATISFACTION.  We strive every hour of every workday to not only meet, but to EXCEED the expectations of our customers.  Our satisfied customers have experienced our excellence in customer service, product performance, and ongoing customer support.  Our commitment to our customers is matched by no one, big or small.  And the reason why is simple:  We care.  Yes, it’s really that simple.  To learn more about our office and field staff, click the “About Us” and “Meet Your Crew” links on the main menu.

Essential Power Systems, LLC of Hopewell Junction, NY brings you peace of mind with a full line of reliable Generac® products backed by world-class service and customer friendly support. Explore our product selection, then contact us so we can help you select the Generac® solution that’s just right for you!

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We work hard to protect you.


  • Over 40 Years Electrical Experience
  • Authorized Generac® Power Pro Elite Dealer & Certified Staff Technicians
  • Former Members Greater Southern Dutchess Chamber of Commerce
  • Former Member of BNI Network International
  • Fully Insured * References Gladly Provided
  • 100% customer satisfaction is our goal.  We work hard to provide our clients with great service!
  • Essential Power Systems also provides quality residential and commercial electrical contracting

For further information, please call our office at 845-227-0514. We are available Mon-Fri between the hours of 8:00 AM and 4:00 PM. Please note that we are closed for most major holidays. If you attempt to reach us during non-business hours we will contact you when our office reopens.