Avista Corporation
Avista Corporation, together with its subsidiaries, operates as an electric and natural gas utility company in the United States. It operates through two segments, Avista Utilities and Alaska Electric Light and Power Company (AEL&P). The Avista Utilities segment provides electric distribution and transmission, and natural gas distribution and transmission services in parts of eastern Washington and northern Idaho; and natural gas distribution services in parts of northeastern and southwestern Oregon, as well as generates electricity in Washington, Idaho, Oregon, and Montana. This segment also engages in the supply of electricity to customers in Montana; and wholesale purchase and sale of electricity and natural gas. The AEL&P segment offers electric services in Juneau, Alaska. The company generates electricity through hydroelectric, thermal, wind, and solar generation facilities. As of December 31, 2024, it supplied retail electric services to approximately 422,000 customers; retail natural gas services to approximately 383,000 customers; and electrical energy to approximately 17,800 customers. The company also operated five hydroelectric generation facilities with a capacity of 102.7 MW; and four diesel generating facilities with a capacity of 107.5 MW. In addition, it engages in venture fund investments, real estate investments, and other investments. The company was formerly known as Washington Water Power and changed its name to Avista Corporation in January 1999. Avista Corporation was incorporated in 1889 and is headquartered in Spokane, Washington.
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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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