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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000352541-16-000076
Filing Date
2016-02-24
Accepted
2016-02-24 15:40:11
Documents
183
Period of Report
2015-12-31

Document Format Files

Seq Description Document Type Size
1 10-K lnt1231201510-k.htm 10-K 9215389
2 FORM OF PERFORMANCE SHARE AGREEMENT lnt1231201510-kex104a.htm EX-10.4A 71940
3 FORM OF RESTRICTED STOCK UNIT AGREEMENT lnt1231201510-kex104b.htm EX-10.4B 53436
4 FORM OF PERFORMANCE RESTRICTED STOCK UNIT AGREEMENT lnt1231201510-kex104c.htm EX-10.4C 70870
5 AMENDED AND RESTATED KEY EMPLOYEE DEFERRED COMPENSATION AGREEMENT lnt1231201510-kex107.htm EX-10.7 83865
6 TERMS OF EXECUTIVE PERFORMANCE PAY PLAN lnt1231201510-kex1018.htm EX-10.18 31736
7 SUMMARY OF COMPENSATION AND BENEFITS FOR NON-EMPLOYEE DIRECTORS lnt1231201510-kex1019.htm EX-10.19 8382
8 RATIO OF EARNINGS TO FIXED CHARGES FOR ALLIANT ENERGY lnt1231201510-kex121.htm EX-12.1 51390
9 RATIO OF EARNINGS TO FIXED CHARGES FOR IPL lnt1231201510-kex122.htm EX-12.2 55053
10 RATIO OF EARNINGS TO FIXED CHARGES FOR WPL lnt1231201510-kex123.htm EX-12.3 41611
11 LETTER RE CHANGE IN ACCOUNTING PRINCIPLES FOR IPL lnt1231201510-kex181.htm EX-18.1 4644
12 LETTER RE CHANGE IN ACCOUNTING PRINCIPLES FOR WPL lnt1231201510-kex182.htm EX-18.2 4643
13 SUBSIDIARIES OF ALLIANT ENERGY lnt1231201510-kex211.htm EX-21.1 5040
14 SUBSIDIARIES OF WPL lnt1231201510-kex212.htm EX-21.2 5028
15 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR ALLIANT ENERGY lnt1231201510-kex231.htm EX-23.1 3510
16 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR IPL lnt1231201510-kex232.htm EX-23.2 3575
17 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR WPL lnt1231201510-kex233.htm EX-23.3 3573
18 CERTIFICATION OF THE CHAIRMAN, PRESIDENT AND CEO FOR ALLIANT ENERGY lnt1231201510-kex311.htm EX-31.1 12171
19 CERTIFICATION OF THE SENIOR VICE PRESIDENT AND CFO FOR ALLIANT ENERGY lnt1231201510-kex312.htm EX-31.2 12265
20 CERTIFICATION OF THE CHAIRMAN AND CEO FOR IPL lnt1231201510-kex313.htm EX-31.3 12243
21 CERTIFICATION OF THE SENIOR VICE PRESIDENT AND CFO FOR IPL lnt1231201510-kex314.htm EX-31.4 12266
22 CERTIFICATION OF THE CHAIRMAN AND CEO FOR WPL lnt1231201510-kex315.htm EX-31.5 12140
23 CERTIFICATION OF THE SENIOR VICE PRESIDENT AND CFO FOR WPL lnt1231201510-kex316.htm EX-31.6 12202
24 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR ALLIANT ENERGY lnt1231201510-kex321.htm EX-32.1 5462
25 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR IPL lnt1231201510-kex322.htm EX-32.2 5483
26 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR WPL lnt1231201510-kex323.htm EX-32.3 5482
  Complete submission text file 0000352541-16-000076.txt   78519742

Data Files

Seq Description Document Type Size
27 XBRL INSTANCE DOCUMENT lnt-20151231.xml EX-101.INS 32121934
28 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT lnt-20151231.xsd EX-101.SCH 165349
29 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT lnt-20151231_cal.xml EX-101.CAL 176058
30 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT lnt-20151231_def.xml EX-101.DEF 1273696
31 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT lnt-20151231_lab.xml EX-101.LAB 1604439
32 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT lnt-20151231_pre.xml EX-101.PRE 1370405
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.: 161451818
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.: 161451817
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.: 161451816
SIC: 4931 Electric & Other Services Combined