DTE Energy Co. is a Detroit Michigan-based utility incorporated in 1995 involved in the development and management of energy-related businesses and services nationwide. DTE Energy's largest operating subsidiaries are Detroit Edison an investor-owned electric utility serving 2.1 million customers in Southeastern Michigan and Michigan Consolidated Gas Co. (MichCon) a natural gas utility serving 1.2 million customers in Michigan.
Key people are Anthony F. Earley and Jr. Gerard M. Anderson.