DTE Energy Company engages in the utility operations. The company’s Electric segment engages in the generation, purchase, distribution, and sale of electricity to approximately 2.2 million residential, commercial, and industrial customers in southeastern Michigan. It generates electricity through fossil-fuel plants, hydroelectric pumped storage plants, nuclear plants, and wind and other renewable assets. This segment owns and operates approximately 676 distribution substations and 432,500 line transformers. Its Gas segment engages in the purchase, storage, transportation, distribution, and sale of natural gas to approximately 1.2 million residential, commercial, and industrial customers in Michigan, as well as the sale of storage and transportation capacity. This segment has approximately 19,000 miles of distribution mains, 1,165,000 service pipelines, and 1,314,000 active meters; and owns approximately 2,000 miles of transmission pipelines. The company’s Gas Storage and Pipelines segment controls natural gas storage fields, and intrastate lateral and intrastate gathering pipeline systems, as well as has ownership interests in interstate pipelines serving the Midwest, Ontario, and northeast markets. Its Power and Industrial Projects segment provides metallurgical coke; pulverized coal and petroleum coke to the steel, pulp and paper, and other industries; and power generation, steam production, chilled water production, wastewater treatment, and compressed air supply to industrial customers. This segment also owns and operates 4 renewable generating plants with a capacity of 191 MWs; and 9 reduced emissions fuel facilities, as well as develop landfill gas recovery systems. The company’s Energy Trading segment focuses on physical and financial power, and gas marketing and trading; structured transactions; and optimization of contracted natural gas pipeline transportation and storage positions. DTE Energy Company was founded in 1995 and is based in Detroit, Michigan.