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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)

IRS No.: 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)

IRS No.: 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)

IRS No.: 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