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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000352541-24-000014
Filing Date
2024-02-16
Accepted
2024-02-16 14:05:37
Documents
169
Period of Report
2023-12-31

Document Format Files

Seq Description Document Type Size
1 10-K lnt-20231231.htm   iXBRL 10-K 5648864
2 DESCRIPTION OF COMMON STOCK OF ALLIANT ENERGY lnt1231202310-kex432.htm EX-4.32 13137
3 FORM OF PERFORMANCE SHARE AGREEMENT lnt1231202310-kex102h.htm EX-10.2H 87855
4 TERMS OF EXECUTIVE SHORT-TERM INCENTIVE PLAN lnt1231202310-kex1011.htm EX-10.11 25723
5 FORM OF RELOCATION REIMBURSEMENT AGREEMENT lnt1231202310-kex1013.htm EX-10.13 11070
6 SUMMARY OF COMPENSATION AND BENEFITS FOR NON-EMPLOYEE DIRECTORS lnt1231202310-kex1014.htm EX-10.14 7003
7 SUBSIDIARIES OF ALLIANT ENERGY lnt1231202310-kex211.htm EX-21.1 3607
8 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR ALLIANT ENERGY lnt1231202310-kex231.htm EX-23.1 2318
9 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR IPL lnt1231202310-kex232.htm EX-23.2 2074
10 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR WPL lnt1231202310-kex233.htm EX-23.3 2073
11 CERTIFICATION OF THE CEO FOR ALLIANT ENERGY lnt1231202310-kex311.htm EX-31.1 9386
12 CERTIFICATION OF THE CFO FOR ALLIANT ENERGY lnt1231202310-kex312.htm EX-31.2 9407
13 CERTIFICATION OF THE CEO FOR IPL lnt1231202310-kex313.htm EX-31.3 9379
14 CERTIFICATION OF THE CFO FOR IPL lnt1231202310-kex314.htm EX-31.4 9412
15 CERTIFICATION OF THE CEO FOR WPL lnt1231202310-kex315.htm EX-31.5 9364
16 CERTIFICATION OF THE CFO FOR WPL lnt1231202310-kex316.htm EX-31.6 9410
17 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR ALLIANT ENERGY lnt1231202310-kex321.htm EX-32.1 4360
18 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR IPL lnt1231202310-kex322.htm EX-32.2 4343
19 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR WPL lnt1231202310-kex323.htm EX-32.3 4342
20 INCENTIVE COMPENSATION RECOVERY POLICY lnt1231202310-kex97.htm EX-97 27312
26 GRAPHIC image_0.jpg GRAPHIC 10866
27 GRAPHIC lnt-20231231_g1.jpg GRAPHIC 334542
28 GRAPHIC lnt-20231231_g2.jpg GRAPHIC 14268
29 GRAPHIC lnt-20231231_g3.jpg GRAPHIC 14230
30 GRAPHIC lnt-20231231_g4.jpg GRAPHIC 11533
31 GRAPHIC lnt-20231231_g5.jpg GRAPHIC 12074
32 GRAPHIC lnt-20231231_g6.jpg GRAPHIC 14633
33 GRAPHIC lnt-20231231_g7.jpg GRAPHIC 10809
34 GRAPHIC lnt-20231231_g8.jpg GRAPHIC 13077
  Complete submission text file 0000352541-24-000014.txt   44121058

Data Files

Seq Description Document Type Size
21 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT lnt-20231231.xsd EX-101.SCH 117091
22 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT lnt-20231231_cal.xml EX-101.CAL 106004
23 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT lnt-20231231_def.xml EX-101.DEF 1178557
24 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT lnt-20231231_lab.xml EX-101.LAB 1249631
25 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT lnt-20231231_pre.xml EX-101.PRE 1245376
170 EXTRACTED XBRL INSTANCE DOCUMENT lnt-20231231_htm.xml XML 14872068
Mailing Address 200 FIRST ST SE ALLIANT ENERGY TOWER CEDAR RAPIDS IA 52401
Business Address 200 FIRST ST SE ALLIANT ENERGY TOWER CEDAR RAPIDS IA 52401 3193984411
INTERSTATE POWER & LIGHT CO (Filer) CIK: 0000052485 (see all company filings)

IRS No.: 420331370 | State of Incorp.: IA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-04117 | Film No.: 24647409
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)

Mailing Address 4902 N BILTMORE LANE SUITE 1000 MADISON WI 53718-2148
Business Address 4902 NORTH BILTMORE LANE SUITE 1000 MADISON WI 53718-2148 608-458-3311
WISCONSIN POWER & LIGHT CO (Filer) CIK: 0000107832 (see all company filings)

IRS No.: 390714890 | State of Incorp.: WI | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-00337 | Film No.: 24647410
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)

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)

IRS No.: 391380265 | State of Incorp.: WI | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-09894 | Film No.: 24647408
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)