DTZ Profile — DTE Energy Co.
DTE Energy is a holding company. Co.'s Electric Utility operations consist mainly of The Detroit Edison Co., which is engaged in the generation, purchase, distribution and sale of electricity to customers in southeastern Michigan. Co.'s Gas Utility operations consist Michigan Consolidated Gas Co., which is engaged in the purchase, storage, transmission, gathering, distribution and sale of natural gas to customers throughout Michigan. Co.'s Citizens business distributes natural gas in Adrian, MI. Co. also operates four energy-related non-utility segments: gas storage and pipelines; unconventional gas production; power and industrial projects; and energy trading.