DTE Energy is a diversified energy company involved in the development and management of energy-related businesses and services nationwide. At the present time, the corporate office of the company is headquartered in Detroit, Michigan.
DTE Energy's largest operating subsidiaries are Detroit Edison, an electric utility serving 2.2 million customers in Southeastern Michigan, and Michigan Consolidated Gas Co. (MichCon), a natural gas utility serving 1.3 million customers in Michigan. DTE Energy has 10,300 employees in utility and non-utility subsidiaries involved in a wide range of energy-related businesses. In 1886, the Edison Illuminating Co. of Detroit was organized and began serving its first customers. Please try to contact DTE Energy Customer Service directly prior to posting any complaints on this site.