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. , a natural gas utility serving 1.2 million customers in Michigan. The name "DTE" is taken from the stock symbol for Detroit Edison, DTE. In May 2008, DTE Biomass Energy agreed to buy the 50-MW E. J. Stoneman Generating Station in... Cassville, Wisconsin, with plans to convert it to burn wood waste in 2009. The Michigan Public Service Commission , an agency within the state’s Department of Labor & Economic Growth, has awarded a partnership of the University of Michigan, GM, and DTE Energy Company $5 million to study plug-in hybrid electric vehicles as a Michigan economic development catalyst, the near-term vehicle-utility interface, the mid/long-term vehicle utility interface, and the environmental and electric utility system impacts of PHEVs.
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| NYSE symbol: | DTE |
| Headquarters: | Detroit, Michigan |
| Annual revenue: | $9,329,000,000 |
| Net income: | $546,000,000 |
| Operating income: | $1,263,000,000 |
| Market cap: | $7,300,000,000 |
| Industries: | Electric Services |