# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000352541-18-000019
Filing Date
2018-02-23
Accepted
2018-02-23 15:57:37
Documents
175
Period of Report
2017-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | lnt1231201710-k.htm | 10-K | 6976399
2 | SUMMARY OF COMPENSATION AND BENEFITS FOR NON-EMPLOYEE DIRECTORS | lnt1231201710-kex1017.htm | EX-10.17 | 9051
3 | RATIO OF EARNINGS TO FIXED CHARGES FOR ALLIANT ENERGY | lnt1231201710-kex121.htm | EX-12.1 | 51534
4 | RATIO OF EARNINGS TO FIXED CHARGES FOR IPL | lnt1231201710-kex122.htm | EX-12.2 | 54488
5 | RATIO OF EARNINGS TO FIXED CHARGES FOR WPL | lnt1231201710-kex123.htm | EX-12.3 | 40921
6 | SUBSIDIARIES OF ALLIANT ENERGY | lnt1231201710-kex211.htm | EX-21.1 | 5086
7 | CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR ALLIANT ENERGY | lnt1231201710-kex231.htm | EX-23.1 | 3560
8 | CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR IPL | lnt1231201710-kex232.htm | EX-23.2 | 3337
9 | CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR WPL | lnt1231201710-kex233.htm | EX-23.3 | 3335
10 | CERTIFICATION OF THE CHAIRMAN AND CEO FOR ALLIANT ENERGY | lnt1231201710-kex311.htm | EX-31.1 | 12349
11 | CERTIFICATION OF THE SENIOR VICE PRESIDENT, CFO AND TREASURER FOR ALLIANT ENERGY | lnt1231201710-kex312.htm | EX-31.2 | 12445
12 | CERTIFICATION OF THE CHAIRMAN AND CEO FOR IPL | lnt1231201710-kex313.htm | EX-31.3 | 12453
13 | CERTIFICATION OF THE SENIOR VICE PRESIDENT, CFO AND TREASURER FOR IPL | lnt1231201710-kex314.htm | EX-31.4 | 12510
14 | CERTIFICATION OF THE CHAIRMAN AND CEO FOR WPL | lnt1231201710-kex315.htm | EX-31.5 | 12351
15 | CERTIFICATION OF THE SENIOR VICE PRESIDENT, CFO AND TREASURER FOR WPL | lnt1231201710-kex316.htm | EX-31.6 | 12446
16 | WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR ALLIANT ENERGY | lnt1231201710-kex321.htm | EX-32.1 | 5509
17 | WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR IPL | lnt1231201710-kex322.htm | EX-32.2 | 5541
18 | WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR WPL | lnt1231201710-kex323.htm | EX-32.3 | 5540
25 | GRAPHIC | alliantenergylogo201710k.jpg | GRAPHIC | 334542
26 | GRAPHIC | chart-8d8de4fe5a005597868a04.jpg | GRAPHIC | 8349
27 | GRAPHIC | chart-77f10a42f21a5d1085ea04.jpg | GRAPHIC | 9582
28 | GRAPHIC | chart-85a14a14f82f53a190aa04.jpg | GRAPHIC | 9649
29 | GRAPHIC | chart-967f8b489fd65fb1940a04.jpg | GRAPHIC | 10286
30 | GRAPHIC | chart-4826e1576c975c57aa0a04.jpg | GRAPHIC | 12002
31 | GRAPHIC | chart-6044a3584dbd586c907a04.jpg | GRAPHIC | 8181
32 | GRAPHIC | chart-b1f2fc7cd2b2579a8fda04.jpg | GRAPHIC | 33008
33 | GRAPHIC | chart-e815b0f78cb05a5f90da04.jpg | GRAPHIC | 54757
34 | GRAPHIC | chart-f0d0374159b95e64b08.jpg | GRAPHIC | 9355
| Complete submission text file | 0000352541-18-000019.txt |  | 63296590

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
19 | XBRL INSTANCE DOCUMENT | lnt-20171231.xml | EX-101.INS | 25268287
20 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | lnt-20171231.xsd | EX-101.SCH | 146553
21 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | lnt-20171231_cal.xml | EX-101.CAL | 162812
22 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | lnt-20171231_def.xml | EX-101.DEF | 1226904
23 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | lnt-20171231_lab.xml | EX-101.LAB | 1477393
24 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | lnt-20171231_pre.xml | EX-101.PRE | 1306290

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.: 18636493
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)

EIN.: 390714890 | State of Incorp.: WI | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-00337 | Film No.: 18636492
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)

EIN.: 391380265 | State of Incorp.: WI | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-09894 | Film No.: 18636491
SIC: 4931 Electric & Other Services Combined