# 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)

EIN.: 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)

EIN.: 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)

EIN.: 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)