DTE Energy Company is an energy company. Its segments include Electric, which consists of DTE Electric Company, which is engaged in the generation, purchase, distribution and sale of electricity to residential, commercial and industrial customers in southeastern Michigan; Gas, which consists of DTE Gas Company, which is engaged in the purchase, storage, transportation, distribution and sale of natural gas to residential, commercial and industrial customers throughout Michigan; Gas Storage and Pipelines, which consists of natural gas pipeline, gathering and storage businesses; Power and Industrial Projects, which consists of projects that deliver energy and utility-type products and services to industrial, commercial and institutional customers, and sell electricity from renewable energy projects; Energy Trading, which consists of energy marketing and trading operations, and Corporate and Other, which includes various holding company activities and holds certain non-utility debt.