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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-11-127887
Filing Date
2011-05-05
Accepted
2011-05-05 12:12:51
Documents
21
Period of Report
2011-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q d10q.htm 10-Q 1790517
2 FORM OF RESTRICTED STOCK AGREEMENT dex101.htm EX-10.1 36192
3 RATIO OF EARNINGS TO FIXED CHARGES FOR ALLIANT ENERGY dex121.htm EX-12.1 50371
4 RATIO OF EARNINGS TO FIXED CHARGES FOR IPL dex122.htm EX-12.2 54028
5 RATIO OF EARNINGS TO FIXED CHARGES FOR WPL dex123.htm EX-12.3 56110
6 CERTIFICATION OF THE CHAIRMAN AND CEO FOR ALLIANT ENERGY dex311.htm EX-31.1 9591
7 CERTIFICATION OF THE VICE PRESIDENT-CFO AND TREASURER FOR ALLIANT ENERGY dex312.htm EX-31.2 9652
8 CERTIFICATION OF THE CHAIRMAN AND CEO FOR IPL dex313.htm EX-31.3 9585
9 CERTIFICATION OF THE VICE PRESIDENT-CFO AND TREASURER FOR IPL dex314.htm EX-31.4 9646
10 CERTIFICATION OF THE CHAIRMAN AND CEO FOR WPL dex315.htm EX-31.5 9584
11 CERTIFICATION OF THE VICE PRESIDENT-CFO AND TREASURER FOR WPL dex316.htm EX-31.6 9645
12 WRITTEN STATEMENT OF THE CEO AND CFO PURSUANT TO 18 USC 1350 FOR ALLIANT ENERGY dex321.htm EX-32.1 2865
13 WRITTEN STATEMENT OF THE CEO AND CFO PURSUANT TO 18 USC 1350 FOR IPL dex322.htm EX-32.2 2844
14 WRITTEN STATEMENT OF THE CEO AND CFO PURSUANT TO 18 USC 1350 FOR WPL dex323.htm EX-32.3 2843
20 PDF OF FORM 10-Q d10q1.pdf 10-Q 317368
21 GRAPHIC g173021tx39.jpg GRAPHIC 33428
  Complete submission text file 0001193125-11-127887.txt   7448470

Data Files

Seq Description Document Type Size
15 XBRL INSTANCE DOCUMENT lnt-20110331.xml EX-101.INS 1211507
16 XBRL TAXONOMY EXTENSION SCHEMA lnt-20110331.xsd EX-101.SCH 20617
17 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE lnt-20110331_cal.xml EX-101.CAL 62527
18 XBRL TAXONOMY EXTENSION LABEL LINKBASE lnt-20110331_lab.xml EX-101.LAB 196966
19 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE lnt-20110331_pre.xml EX-101.PRE 120465
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-Q | Act: 34 | File No.: 001-04117 | Film No.: 11813437
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-Q | Act: 34 | File No.: 000-00337 | Film No.: 11813436
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-Q | Act: 34 | File No.: 001-09894 | Film No.: 11813435
SIC: 4931 Electric & Other Services Combined