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Alliant Energy Corporation (0HCT.L)

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54.12+0.76 (+1.42%)
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Alliant Energy Corporation

4902 North Biltmore Lane
Madison, WI 53718-2148
United States
608 458 3311

Full-time employees3,281

Key executives

NameTitlePayExercisedYear born
Mr. John O. LarsenExecutive Chairman3.16MN/A1964
Ms. Lisa M. BartonPresident, CEO & Director3.17MN/A1966
Mr. Robert J. DurianExecutive VP & CFO1.32MN/A1971
Mr. David A. de LeonPresident of Wisconsin Energy & Senior VP of Operations783.41kN/A1963
Mr. Rajagopalan SundararajanExecutive Vice President of Strategy & Customer Solutions810.02kN/A1975
Mr. Benjamin M. BilitzChief Accounting Officer & ControllerN/AN/A1975
Mr. Alberto G. RuoccoSenior VP & Chief Information OfficerN/AN/AN/A
Ms. Susan Trapp GilleManager of Investor RelationsN/AN/AN/A
Ms. Amy L. CralamVP & General CounselN/AN/AN/A
Ms. Aimee L. DavisVice President of Marketing, Communications & Customer OperationsN/AN/A1973
Amounts are as of 31 December 2023, and compensation values are for the last fiscal year ending on that date. Pay includes salary, bonuses, etc. Exercised is the value of options exercised during the fiscal year. Currency in USD.


Alliant Energy Corporation operates as a utility holding company that provides regulated electricity and natural gas services in the United States. It operates in three segments: Utility Electric Operations, Utility Gas Operations, and Utility Other. The company, through its subsidiary, Interstate Power and Light Company (IPL), primarily generates and distributes electricity, and distributes and transports natural gas to retail customers in Iowa; sells electricity to wholesale customers in Minnesota, Illinois, and Iowa; and generates and distributes steam in Cedar Rapids, Iowa. Alliant Energy Corporation, through its other subsidiary, Wisconsin Power and Light Company (WPL), generates and distributes electricity, and distributes and transports natural gas to retail customers in Wisconsin; and sells electricity to wholesale customers in Wisconsin. It serves retail customers in the farming, agriculture, industrial manufacturing, chemical, packaging, and food industries, as well as wholesale customers comprising municipalities and rural electric cooperatives. In addition, the company owns and operates a short-line rail freight service in Iowa; a Mississippi River barge, rail, and truck freight terminal in Illinois; freight brokerage services; wind turbine blade recycling services; and a rail-served warehouse in Iowa. Further, it holds interests in a natural gas-fired electric generating unit near Sheboygan Falls, Wisconsin; and a wind farm located in Oklahoma. The company was formerly known as Interstate Energy Corp. and changed its name to Alliant Energy Corporation in May 1999. Alliant Energy Corporation was incorporated in 1981 and is headquartered in Madison, Wisconsin.

Corporate governance

Alliant Energy Corporation’s ISS governance QualityScore as of 1 July 2024 is 1. The pillar scores are Audit: 2; Board: 5; Shareholder rights: 3; Compensation: 1.

Corporate governance scores courtesy of Institutional Shareholder Services (ISS). Scores indicate decile rank relative to index or region. A decile score of 1 indicates lower governance risk, while 10 indicates higher governance risk.