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EX-21.1 8 lnt1231202410-kex211.htm SUBSIDIARIES OF ALLIANT ENERGY INTERSTATE POWER & LIGHT CO - Subsidiaries of Alliant Energy

Exhibit 21.1

ALLIANT ENERGY CORPORATION
SUBSIDIARIES OF THE REGISTRANT

The following are deemed to be significant subsidiaries of Alliant Energy Corporation as of December 31, 2024:

Name of SubsidiaryState of Incorporation
Interstate Power and Light CompanyIowa
Wisconsin Power and Light CompanyWisconsin
Alliant Energy Finance, LLCWisconsin