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CompanyCompany profileReviewed 2026-10-23

ALLIANT ENERGY CORP

Alliant Energy Corporation is a public utility holding company headquartered in Madison, Wisconsin, providing power in Iowa and Wisconsin.

Sources and references ↗
COMPANY PROFILE / 10 SOURCE-LINKED FIELDS

Basic company information

Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.

Business sectors
public utility [1]
Company / filing name
ALLIANT ENERGY CORP [2]
Headquarters location
Madison [1]
Founded
1981 [1]
Leadership in background record
Lisa M. Barton [1]
ISIN (reported securities)
US0188021085 [1]
CIK
352541 [2]
Country in background record
United States [1]
Symbols / exchanges
LNT (Nasdaq) [2]

Company positioning and business

Alliant Energy Corporation is a public utility holding company headquartered in Madison, Wisconsin, providing power in Iowa and Wisconsin. [3]

Background text: Wikipedia contributors, Alliant Energy. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.

Management and corporate governance

The Wikidata background record identifies Lisa M. Barton in the chief-executive role. This background entry is not an official confirmation of the current board or executive roster. [1]

Financial year, securities and disclosures

Listed securities: LNT (Nasdaq). Multiple symbols may represent different share classes or securities of the same registrant. [2]

History and key events

  1. Founding / inception date recorded in Wikidata. [1]

Financial results and regulatory disclosures

No individual financial documents have been indexed yet. Open the source to consult company disclosures. [2]

Related entities and concepts

Frequently asked questions

When was ALLIANT ENERGY CORP founded?

Founded: 1981. The linked source provides the background record. [1]

Where is the headquarters of ALLIANT ENERGY CORP?

Headquarters location: Madison. The linked source provides the background record. [1]

Which business sectors are recorded for ALLIANT ENERGY CORP?

Business sectors: public utility. The linked source provides the background record. [1]

Sources and review dates

  1. Wikidata — company background record (CC0) ↗
  2. Company identity and profile data ↗
  3. Wikipedia contributors — Alliant Energy (CC BY-SA 4.0) ↗

Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.

Content preparation: source-based compilation with AI assistance. See methods and attribution. Named sources identify the underlying records; no individual expert review is claimed.