DTE Energy Company (DTE) is an energy company. The Company's other businesses are involved in natural gas pipelines, gathering and storage, power and industrial projects, and energy marketing and trading operations. Its segments include Electric, Gas, Gas Storage and Pipelines, Power and Industrial Projects, Energy Trading, and Corporate and Other. Its utility operations consist primarily of DTE Electric and DTE Gas. The Electric segment consists of DTE Electric, which is engaged in the generation, purchase, distribution and sale of electricity to approximately 2.1 million customers in southeastern Michigan. The Gas segment consists of DTE Gas, which is engaged in the purchase, storage, transportation, distribution and sale of natural gas to approximately 1.2 million residential, commercial and industrial customers throughout Michigan and the sale of gas storage and transportation capacity. Its Corporate and Other segment includes various holding company activities.