SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000107832-09-000003
Filing Date
2009-05-04
Accepted
2009-05-04 10:02:53
Documents
18
Period of Report
2009-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q 03/31/09 form10q033109.htm 10-Q 2177034
2 FORM 10-Q 03/31/09 EXHIBIT 4.1 form10q033109exh4pt1.htm EX-4 28943
3 FORM 10-Q 03/31/09 EXHIBIT 4.2 form10q033109exh4pt2.htm EX-4 28208
4 FORM 10-Q 03/31/09 EXHIBIT 4.3 form10q033109exh4pt3.htm EX-4 28246
5 FORM 10-Q 03/31/09 EXHIBIT 12.1 form10q033109exh12pt1.htm EX-12 26891
6 FORM 10-Q 03/31/09 EXHIBIT 12.2 form10q033109exh12pt2.htm EX-12 23770
7 FORM 10-Q 03/31/09 EXHIBIT 12.3 form10q033109exh12pt3.htm EX-12 25324
8 FORM 10-Q 03/31/09 EXHIBIT 31.1 form10q033109exh31pt1.htm EX-31 14191
9 FORM 10-Q 03/31/09 EXHIBIT 31.2 form10q033109exh31pt2.htm EX-31 14210
10 FORM 10-Q 03/31/09 EXHIBIT 31.3 form10q033109exh31pt3.htm EX-31 14194
11 FORM 10-Q 03/31/09 EXHIBIT 31.4 form10q033109exh31pt4.htm EX-31 14434
12 FORM 10-Q 03/31/09 EXHIBIT 31.5 form10q033109exh31pt5.htm EX-31 14192
13 FORM 10-Q 03/31/09 EXHIBIT 31.6 form10q033109exh31pt6.htm EX-31 14225
14 FORM 10-Q 03/31/09 EXHIBIT 32.1 form10q033109exh32pt1.htm EX-32 2868
15 FORM 10-Q 03/31/09 EXHIBIT 32.2 form10q033109exh32pt2.htm EX-32 2865
16 FORM 10-Q 03/31/09 EXHIBIT 32.3 form10q033109exh32pt3.htm EX-32 2864
18 GRAPHIC img1.jpg GRAPHIC 2650
19 FORM 10-Q 03/31/09 PDF form10q033109pdf.pdf 10-Q 359631
  Complete submission text file 0000107832-09-000003.txt   2935233
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.: 09791781
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.: 09791782
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.: 09791780
SIC: 4931 Electric & Other Services Combined