Form 424B5 - Prospectus [Rule 424(b)(5)]:
SEC Accession No. 0001193125-25-216952
Filing Date
2025-09-25
Accepted
2025-09-25 12:56:57
Documents
12

Document Format Files

Seq Description Document Type Size
1 424B5 d643726d424b5.htm 424B5 531862
2 EX-FILING FEES d643726dexfilingfees.htm   iXBRL EX-FILING FEES 17544
  Complete submission text file 0001193125-25-216952.txt   669993

Data Files

Seq Description Document Type Size
14 EXTRACTED XBRL INSTANCE DOCUMENT d643726dexfilingfees_htm.xml XML 4127
Mailing Address 4902 NORTH BILTMORE LANE SUITE 1000 MADISON WI 53718-2148
Business Address 4902 NORTH BILTMORE LANE SUITE 1000 MADISON WI 53718-2148 608-458-3311
ALLIANT ENERGY CORP (Filer) CIK: 0000352541 (see all company filings)

EIN.: 391380265 | State of Incorp.: WI | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-276062 | Film No.: 251342127
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)