Founded in 1995, Innovative Energy Systems, Inc. (IES) has been providing the best automatic generators for residential use since its inception. We have been helping customers keep their lights on and stay out of the dark for several years and are proud to be Maryland’s Premier Backup Generator Specialists. Generators are all we do. Period.

As a private, locally owned, family operated company, we specialize in the sales, service, and installation of residential standby generators. We offer only the best brands of residential generators to our customers. Brands that we trust and know are the highest in quality and reliability. Our brands include: Kohler, Onan, Briggs & Stratton, Caterpillar, Guardian and Generac.

Innovative Energy Systems has installed, maintained and serviced over 1,500 residential generators in Maryland and Northern Virginia regions over the last 5 years... and this number continues to grow every day. IES strictly serves the residential and light commercial marketplace and we use our own factory certified, full-time, non-commissioned employees. Our devoted, dedicated and knowledgeable staff is committed to serving you, and we will do whatever it takes to ensure our residential standby generators are installed as promised or we will refund 100% of the purchase price. No questions asked.