AES Corporation
The AES Corporation, together with its subsidiaries, operates as a power generation and utility company in the United States and internationally. The company owns and/or operates power plants to generate and sell power to customers, such as utilities, industrial users, and other intermediaries; owns and/or operates utilities to generate or purchase, distribute, transmit, and sell electricity to end-user customers in the residential, commercial, industrial, and governmental sectors; and generates and sells electricity on the wholesale market. It uses various fuels and technologies to generate electricity, such as coal, gas, hydro, wind, solar, and biomass, as well as renewables comprising energy storage and landfill gas. The company owns and/or operates a generation portfolio of approximately 32,109 megawatts and distributes power to 2.7 million customers. The company was formerly known as Applied Energy Services, Inc. and changed its name to The AES Corporation in April 2000. The AES Corporation was incorporated in 1981 and is headquartered in Arlington, Virginia.
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DTE Energy Company engages in the energy-related businesses and services. The company's Electric segment generates, purchases, distributes, and sells electricity to approximately 2.3 million residential, commercial, and industrial customers in southeastern Michigan. It generates electricity through coal-fired plants, hydroelectric pumped storage, and nuclear plants, as well as wind and solar assets. This segment owns and operates 702 distribution substations with a capacity of approximately 37,710,000 kilovolt-amperes (kVA) and approximately 4,55,300 line transformers with a capacity of approximately 33,570,000 kVA. The company's Gas segment purchases, stores, transports, distributes, and sells natural gas to approximately 1.3 million residential, commercial, and industrial customers throughout Michigan; and sells storage and transportation capacity. This segment has approximately 20,500 miles of distribution mains; 1,238,000 service pipelines; and 1,352,000 active meters, as well as owns approximately 2,000 miles of transmission pipelines. Its DTE Vantage segment offers metallurgical and petroleum coke to steel and other industries; and power generation, steam production, chilled water production, and wastewater treatment services, as well as compressed air supply to industrial customers. This segment also owns and operates 3 renewable generating plants with a capacity of 114 MWs; and 23 gas recovery sites. Its Energy Trading segment engages in power, natural gas, and environmental marketing and trading; structured transactions; and the optimization of contracted natural gas pipeline transportation and storage positions. The company was founded in 1849 and is based in Detroit, Michigan.
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