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Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-10-106871
Filing Date
2010-05-05
Accepted
2010-05-04 18:19:40
Documents
14
Period of Report
2010-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q d10q.htm 10-Q 1296807
2 RATIO OF EARNINGS TO FIXED CHARGES FOR ALLIANT ENERGY dex121.htm EX-12.1 40264
3 RATIO OF EARNINGS TO FIXED CHARGES FOR IPL dex122.htm EX-12.2 38899
4 RATIO OF EARNINGS TO FIXED CHARGES FOR WPL dex123.htm EX-12.3 39283
5 CERTIFICATION OF THE CHAIRMAN, PRESIDENT AND CEO FOR ALLIANT ENERGY dex311.htm EX-31.1 9828
6 CERTIFICATION OF THE EXECUTIVE VICE PRESIDENT-CFO & TREASURER FOR ALLIANT ENERGY dex312.htm EX-31.2 9622
7 CERTIFICATION OF THE CHAIRMAN AND CEO FOR IPL dex313.htm EX-31.3 9503
8 CERTIFICATION OF THE EXECUTIVE VICE PRESIDENT-CFO AND TREASURER FOR IPL dex314.htm EX-31.4 9891
9 CERTIFICATION OF THE CHAIRMAN AND CEO FOR WPL dex315.htm EX-31.5 9776
10 CERTIFICATION OF THE EXECUTIVE VICE PRESIDENT-CFO AND TREASURER FOR WPL dex316.htm EX-31.6 9890
11 WRITTEN STATEMENT OF THE CEO & CFO PURSUANT TO 18 U.S.C. 1350 FOR ALLIANT ENERGY dex321.htm EX-32.1 3013
12 WRITTEN STATEMENT OF THE CEO AND CFO PURSUANT TO 18 U.S.C. 1350 FOR IPL dex322.htm EX-32.2 2988
13 WRITTEN STATEMENT OF THE CEO AND CFO PURSUANT TO 18 U.S.C. 1350 FOR WPL dex323.htm EX-32.3 2988
14 FORM 10-Q 03-31-2010 PDF d10q1.pdf 10-Q 381407
  Complete submission text file 0001193125-10-106871.txt   2011723
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.: 10798672
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.: 10798671
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.: 10798670
SIC: 4931 Electric & Other Services Combined