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Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000107832-05-000092
Filing Date
2005-05-06
Accepted
2005-05-05 18:21:18
Documents
12
Period of Report
2005-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q 03-31-2005 form10q033105.htm 10-Q 1260595
2 FORM 10-Q 03-31-2005 EXHIBIT 31.1 form10q033105exh31pt1.htm EX-31 13964
3 FORM 10-Q 03-31-2005 EXHIBIT 31.2 form10q033105exh31pt2.htm EX-31 13571
4 FORM 10-Q 03-31-2005 EXHIBIT 31.3 form10q033105exh31pt3.htm EX-31 13129
5 FORM 10-Q 03-31-2005 EXHIBIT 31.4 form10q033105exh31pt4.htm EX-31 12264
6 FORM 10-Q 03-31-2005 EXHIBIT 31.5 form10q033105exh31pt5.htm EX-31 13128
7 FORM 10-Q 03-31-2005 EXHIBIT 31.6 form10q033105exh31pt6.htm EX-31 12074
8 FORM 10-Q 03-31-2005 EXHIBIT 32.1 form10q033105exh32pt1.htm EX-32 3015
9 FORM 10-Q 03-31-2005 EXHIBIT 32.2 form10q033105exh32pt2.htm EX-32 2987
10 FORM 10-Q 03-31-2005 EXHIBIT 32.3 form10q033105exh32pt3.htm EX-32 2987
12 GRAPHIC img1.jpg GRAPHIC 3062
13 FORM 10-Q 03-31-2005 form10q033105.pdf 10-Q 2250377
  Complete submission text file 0000107832-05-000092.txt   4456078
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.: 05805020
SIC: 4931 Electric & Other Services Combined

Mailing Address 4902 N BILTMORE LANE PO BOX 77007 MADISON WI 53707-1007
Business Address 4902 NORTH BILTMORE LANE PO BOX 77007 MADISON WI 53707-1007 608-4583314
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.: 05805019
SIC: 4931 Electric & Other Services Combined

Mailing Address 4902 NORTH BILTMORE LANE PO BOX 77007 MADISON WI 53707-1007
Business Address 4902 NORTH BILTMORE LANE PO BOX 77007 MADISON WI 53707-1007 608-458-3314
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.: 05805018
SIC: 4931 Electric & Other Services Combined