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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000352541-23-000017
Filing Date
2023-02-24
Accepted
2023-02-24 16:03:25
Documents
164
Period of Report
2022-12-31

Document Format Files

Seq Description Document Type Size
1 10-K lnt-20221231.htm   iXBRL 10-K 7319244
2 INCREMENTAL TERM LOAN AMENDMENT lnt1231202210-kex101a.htm EX-10.1A 47777
3 AMENDMENT TO THE DCP AS AMENDED AND RESTATED lnt1231202210-kex104b.htm EX-10.4B 8841
4 FORM OF SIGN-ON BONUS REIMBURSEMENT AGREEMENT lnt1231202210-kex1014.htm EX-10.14 24101
5 FORM OF RELOCATION REIMBURSEMENT AGREEMENT lnt1231202210-kex1015.htm EX-10.15 15547
6 SUMMARY OF COMPENSATION AND BENEFITS FOR NON-EMPLOYEE DIRECTORS lnt1231202210-kex1016.htm EX-10.16 7507
7 SUBSIDIARIES OF ALLIANT ENERGY lnt1231202210-kex211.htm EX-21.1 4031
8 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR ALLIANT ENERGY lnt1231202210-kex231.htm EX-23.1 2420
9 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR IPL lnt1231202210-kex232.htm EX-23.2 2176
10 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR WPL lnt1231202210-kex233.htm EX-23.3 2175
11 CERTIFICATION OF THE CEO FOR ALLIANT ENERGY lnt1231202210-kex311.htm EX-31.1 9484
12 CERTIFICATION OF THE CFO FOR ALLIANT ENERGY lnt1231202210-kex312.htm EX-31.2 9498
13 CERTIFICATION OF THE CEO FOR IPL lnt1231202210-kex313.htm EX-31.3 9480
14 CERTIFICATION OF THE CFO FOR IPL lnt1231202210-kex314.htm EX-31.4 9503
15 CERTIFICATION OF THE CEO FOR WPL lnt1231202210-kex315.htm EX-31.5 9476
16 CERTIFICATION OF THE CFO FOR WPL lnt1231202210-kex316.htm EX-31.6 9501
17 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR ALLIANT ENERGY lnt1231202210-kex321.htm EX-32.1 4447
18 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR IPL lnt1231202210-kex322.htm EX-32.2 4433
19 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR WPL lnt1231202210-kex323.htm EX-32.3 4432
25 GRAPHIC image_0.jpg GRAPHIC 40067
26 GRAPHIC image_01.jpg GRAPHIC 10866
27 GRAPHIC lnt-20221231_g1.jpg GRAPHIC 334542
28 GRAPHIC lnt-20221231_g2.jpg GRAPHIC 14039
29 GRAPHIC lnt-20221231_g3.jpg GRAPHIC 13589
30 GRAPHIC lnt-20221231_g4.jpg GRAPHIC 12419
31 GRAPHIC lnt-20221231_g5.jpg GRAPHIC 12215
32 GRAPHIC lnt-20221231_g6.jpg GRAPHIC 14584
33 GRAPHIC lnt-20221231_g7.jpg GRAPHIC 10715
34 GRAPHIC lnt-20221231_g8.jpg GRAPHIC 12706
  Complete submission text file 0000352541-23-000017.txt   45799024

Data Files

Seq Description Document Type Size
20 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT lnt-20221231.xsd EX-101.SCH 115650
21 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT lnt-20221231_cal.xml EX-101.CAL 106256
22 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT lnt-20221231_def.xml EX-101.DEF 1156841
23 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT lnt-20221231_lab.xml EX-101.LAB 1237476
24 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT lnt-20221231_pre.xml EX-101.PRE 1216954
158 EXTRACTED XBRL INSTANCE DOCUMENT lnt-20221231_htm.xml XML 15466217
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.: 23666948
SIC: 4931 Electric & Other Services Combined

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.: 23666947
SIC: 4931 Electric & Other Services Combined

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.: 23666946
SIC: 4931 Electric & Other Services Combined