Alliant Energy Corp AY1

Overview

Alliant Energy Corporation, headquartered in Madison, Wisconsin, operates as a diversified utility holding company in the United States. It provides a wide range of regulated electricity and natural gas services through its three operational segments: Utility Electric Operations, Utility Gas Operations, and Utility Other. Initially incorporated in 1981, it was formerly known as Interstate Energy Corp before rebranding to Alliant Energy Corporation in May 1999. Through its subsidiaries, Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL), Alliant Energy plays a critical role in generating and distributing electricity, transporting natural gas, and offering other energy-related services to retail and wholesale customers in multiple states, including Iowa, Wisconsin, Minnesota, and Illinois.

Products and Services

• Electricity Generation and Distribution:

  Through IPL, Alliant Energy generates and distributes electricity to retail customers in Iowa and sells it to wholesale customers in Minnesota, Illinois, and Iowa. In addition, IPL provides steam generation and distribution in Cedar Rapids, Iowa. WPL, another subsidiary, engages in generating and distributing electricity to retail customers in Wisconsin and sells to wholesale customers within the same state.

• Natural Gas Distribution and Transportation:

  Both subsidiaries, IPL and WPL, are involved in the distribution and transportation of natural gas to retail customers in Iowa and Wisconsin, respectively. This service ensures the safe and reliable delivery of natural gas, supporting residential, commercial, and industrial consumption.

• Wholesale Electricity Sales:

  Part of Alliant Energy’s operations includes the sale of electricity to wholesale customers. These customers include municipalities, rural electric cooperatives, and various industries across Wisconsin, Iowa, Minnesota, and Illinois, highlighting the company's role in supporting other utilities and large-scale energy users.

• Additional Services:

  Alliant Energy also operates in diverse ventures, such as owning and operating a short-line rail freight service in Iowa, a Mississippi River barge, rail, and truck freight terminal in Illinois, and offering freight brokerage, wind turbine blade recycling services, and a rail-served warehouse. These services complement its core utility operations and exhibit the company's engagement in environmental sustainability and logistics.

• Natural Gas-Fired Electric Generating Unit and Wind Farm:

  The company holds interests in a natural gas-fired electric generating unit located near Sheboygan Falls, Wisconsin, and a wind farm in Oklahoma. These investments underscore Alliant Energy’s commitment to diversifying its energy generation portfolio, incorporating renewable and cleaner energy sources into its operations.