About JD Power Systems J.D. Power Systems, located in Columbus, Ohio, sells, installs, and services reliable power generator products to serve residential, commercial, and industrial needs. J.D. Power Systems has grown into the premier single-source power provider throughout Ohio, Kentucky, Pennsylvania, Michigan, and Indiana. As a wholly owned subsidiary of JD Equipment, one of the nation’s largest John Deere dealers, we share the commitment to provide customer satisfaction in both products and service. J.D. Power Systems is not in the business of providing a single power package because we know each residential, commercial, and industrial need is unique. Therefore, we build, install, warrant, and maintain packages that include a customized combination of generator sets, controls, transfer switches, switchgear, fuel tanks, enclosures, and controlling systems to fit your needs. Our Distributors J.D.