DTE Energy Company (DTE) is a diversified energy company engaged in the development and management of energy-related businesses and services across the United States, including regulated electric and natural gas utilities as well as non-utility energy operations. Headquartered in Detroit, Michigan, DTE serves approximately 2.3 million electricity customers and 1.3 million natural gas customers in Michigan through its primary utility subsidiaries, while also participating in industrial energy projects, ener ...