EDGAR Filing Documents for 0000107832-06-000074

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:

SEC Accession No. 0000107832-06-000074

Filing Date

2006-05-05

Accepted

2006-05-05 14:52:42

Documents

Period of Report

2006-03-31

Document Format Files

Seq	Description	Document	Type	Size
1	FORM 10-Q 03-31-06	form10q033106.htm	10-Q	1574109
2	FORM 10-Q 03-31-06 EXHIBIT 12.1	exhibit12pt1.htm	EX-12	18637
3	FORM 10-Q 03-31-06 EXHIBIT 12.2	exhibit12pt2.htm	EX-12	16765
4	FORM 10-Q 03-31-06 EXHIBIT 12.3	exhibit12pt3.htm	EX-12	17619
5	FORM 10-Q 03-31-06 EXHIBIT 31.1	exhibit31pt1.htm	EX-31	13915
6	FORM 10-Q 03-31-06 EXHIBIT 31.2	exhibit31pt2.htm	EX-31	13936
7	FORM 10-Q 03-31-06 EXHIBIT 31.3	exhibit31pt3.htm	EX-31	12710
8	FORM 10-Q 03-31-06 EXHIBIT 31.4	exhibit31pt4.htm	EX-31	12240
9	FORM 10-Q 03-31-06 EXHIBIT 31.5	exhibit31pt5.htm	EX-31	12704
10	FORM 10-Q 03-31-06 EXHIBIT 31.6	exhibit31pt6.htm	EX-31	12239
11	FORM 10-Q 03-31-06 EXHIBIT 32.1	exhibit32pt1.htm	EX-32	3047
12	FORM 10-Q 03-31-06 EXHIBIT 32.2	exhibit32pt2.htm	EX-32	3008
13	FORM 10-Q 03-31-06 EXHIBIT 32.3	exhibit32pt3.htm	EX-32	2912
15	GRAPHIC	img1.jpg	GRAPHIC	2654
16	FORM 10-Q 03-31-06	form10q033106.pdf	10-Q	5977758
	Complete submission text file	0000107832-06-000074.txt		9957141

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)

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)

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)