# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000352541-15-000011
Filing Date
2015-05-01
Accepted
2015-05-01 13:54:08
Documents
19
Period of Report
2015-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | lnt331201510-q.htm | 10-Q | 2422745
2 | RATIO OF EARNINGS TO FIXED CHARGES FOR ALLIANT ENERGY | lnt331201510-qex121.htm | EX-12.1 | 81191
3 | RATIO OF EARNINGS TO FIXED CHARGES FOR IPL | lnt331201510-qex122.htm | EX-12.2 | 84154
4 | RATIO OF EARNINGS TO FIXED CHARGES FOR WPL | lnt331201510-qex123.htm | EX-12.3 | 63073
5 | CERTIFICATION OF THE CHAIRMAN, PRESIDENT AND CEO FOR ALLIANT ENERGY | lnt331201510-qex311.htm | EX-31.1 | 12184
6 | CERTIFICATION OF THE SENIOR VICE PRESIDENT AND CFO FOR ALLIANT ENERGY | lnt331201510-qex312.htm | EX-31.2 | 12213
7 | CERTIFICATION OF THE CHAIRMAN AND CEO FOR IPL | lnt331201510-qex313.htm | EX-31.3 | 12191
8 | CERTIFICATION OF THE SENIOR VICE PRESIDENT AND CFO FOR IPL | lnt331201510-qex314.htm | EX-31.4 | 12218
9 | CERTIFICATION OF THE CHAIRMAN AND CEO FOR WPL | lnt331201510-qex315.htm | EX-31.5 | 12284
10 | CERTIFICATION OF THE SENIOR VICE PRESIDENT AND CFO FOR WPL | lnt331201510-qex316.htm | EX-31.6 | 12217
11 | WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR ALLIANT ENERGY | lnt331201510-qex321.htm | EX-32.1 | 5411
12 | WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR IPL | lnt331201510-qex322.htm | EX-32.2 | 5432
13 | WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR WPL | lnt331201510-qex323.htm | EX-32.3 | 5359
| Complete submission text file | 0000352541-15-000011.txt |  | 34329259

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
14 | XBRL INSTANCE DOCUMENT | lnt-20150331.xml | EX-101.INS | 8460143
15 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | lnt-20150331.xsd | EX-101.SCH | 80677
16 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | lnt-20150331_cal.xml | EX-101.CAL | 94404
17 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | lnt-20150331_def.xml | EX-101.DEF | 629828
18 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | lnt-20150331_lab.xml | EX-101.LAB | 794053
19 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | lnt-20150331_pre.xml | EX-101.PRE | 682013

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-Q | Act: 34 | File No.: 001-04117 | Film No.: 15823487
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-Q | Act: 34 | File No.: 000-00337 | Film No.: 15823486
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-Q | Act: 34 | File No.: 001-09894 | Film No.: 15823485
SIC: 4931 Electric & Other Services Combined