Investments

9 Months Ended

Sep. 30, 2023

Schedule of Equity Method Investments [Line Items]

Investments

INVESTMENTS

Unconsolidated Equity Investments - Alliant Energy’s equity (income) loss from unconsolidated investments accounted for under the equity method of accounting for the three and nine months ended September 30 was as follows (in millions):

	Three Months		Nine Months
	2023	2022	2023	2022
ATC Holdings	($12)	($7)	($37)	($29)
Other	(2)	2	(8)	(8)
	($14)	($5)	($45)	($37)