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Alliant Energy Corporation maintains its principal executive offices at 4902 North Biltmore Lane, Madison, Wisconsin, 53718, United States, with a notable nearby landmark being the Dane County Regional Airport (MSN), as well as the University of Wisconsin – Madison campus.

General information

Traded as Nasdaq: LNT
Industry: Utilities
Founded: 1917
Headquarters Madison, Wisconsin, U.S.
ZIP Code 53718
Phone Number +1 800-255-4268
Number of employees 3,375 (2021)
Website: alliantenergy.com

Alliant Energy Corporation is a utility holding company providing regulated electric and natural gas services across the United States, primarily structured through its two key segments: Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL). The IPL subsidiary primarily manages the generation and distribution of electricity, alongside the distribution and transportation of natural gas, to retail customers in specific Iowa markets.

IPL also engages in wholesale electricity sales in Minnesota, Illinois, and Iowa, and provides steam generation and distribution for two customers in Cedar Rapids, Iowa. WPL, the other main subsidiary, handles the generation and distribution of electricity and the distribution and transport of natural gas for retail customers in certain Wisconsin markets, in addition to selling wholesale electricity within the state.

Alliant Energy serves a diverse retail customer base that includes the farming, agriculture, industrial manufacturing, chemical, packaging, and food industries, as well as wholesale clients like municipalities and rural electric cooperatives.

The company, which changed its name from Interstate Energy Corp. to Alliant Energy Corporation in May 1999, also maintains several non-utility interests, including a short-line rail freight service and a rail-served warehouse in Iowa, a Mississippi River barge, rail, and truck freight terminal in Illinois, freight brokerage services, and wind turbine blade recycling services. Furthermore, Alliant Energy holds interests in a natural gas-fired electric generating unit near Sheboygan Falls, Wisconsin, and a wind farm located in Oklahoma.

Contact Information

For general inquiries, Alliant Energy can be reached at their main phone number: (608) 458-3311. Customers seeking support can contact their dedicated customer service line at 1-800-255-4268. In case of any complaints or urgent issues, the complaint hotline is available at 1-800-ALLIANT (1-800-255-4268), ensuring that customer concerns are addressed promptly.

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FAQ’s

When did Alliant Energy Corporation stock first become publicly traded?

Alliant Energy Corporation’s stock first became publicly traded in 1998 following the merger of Interstate Power Company, IES Industries, and WPL Holdings, forming the current entity known as Alliant Energy.
Products and Services

What is Alliant Energy Corporation’s flagship product?

Alliant Energy Corporation’s flagship product is its comprehensive energy solutions, which include electricity generation from both renewable sources and traditional fossil fuels, as well as electricity distribution and natural gas utility services.

Who founded Alliant Energy Corporation?

Alliant Energy Corporation was formed in 1998 through the merger of three companies: Interstate Power Company, IES Industries, and WPL Holdings. The merger was a strategic move to consolidate resources and enhance service delivery across the Midwest region.

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