Form 8-K - Current report:
SEC Accession No. 0000352541-25-000076
Filing Date
2025-09-26
Accepted
2025-09-25 19:58:09
Documents
22
Period of Report
2025-09-23
Items
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K lnt-20250923.htm   iXBRL 8-K 33589
2 EX-1.1 lnt092320258-kex11.htm EX-1.1 286160
3 EX-4.1 lnt092320258-kex41.htm EX-4.1 735654
4 EX-4.2 lnt092320258-kex42.htm EX-4.2 187890
5 EX-5.1 lnt092320258-kex51.htm EX-5.1 18102
6 EX-8.1 lnt092320258-kex81.htm EX-8.1 16190
7 EX-99.1 lnt092320258-kex991.htm EX-99.1 6685
12 GRAPHIC exhibit9911aa.jpg GRAPHIC 17931
13 GRAPHIC headera.jpg GRAPHIC 3106
14 GRAPHIC headerb.jpg GRAPHIC 3106
  Complete submission text file 0000352541-25-000076.txt   1680860

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT lnt-20250923.xsd EX-101.SCH 2147
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT lnt-20250923_def.xml EX-101.DEF 14341
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT lnt-20250923_lab.xml EX-101.LAB 25195
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT lnt-20250923_pre.xml EX-101.PRE 14946
24 EXTRACTED XBRL INSTANCE DOCUMENT lnt-20250923_htm.xml XML 2697
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: 8-K | Act: 34 | File No.: 001-09894 | Film No.: 251345124
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)