DTE Energy is one of the nation’s largest diversified energy companies. Headquartered in Detroit, Michigan, DTE Energy is involved in the development and management of energy-related businesses and services nationwide. Its largest operating units are Detroit Edison, an electric utility serving 2.2 million customers in Southeastern Michigan, and MichCon, a natural gas utility serving 1.3 million customers in Michigan. The DTE Energy portfolio also includes non-utility energy businesses operating in 29 states which focus on power and industrial projects, coal and gas midstream, unconventional gas production and energy trading.