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Filing Detail
Form S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers:
SEC Accession No. 0001193125-17-370362
Filing Date
2017-12-15
Accepted
2017-12-15 11:29:06
Documents
16
Effectiveness Date
2017-12-15

Document Format Files

Seq Description Document Type Size
1 S-3ASR d479314ds3asr.htm S-3ASR 570739
2 EX-5.1 d479314dex51.htm EX-5.1 31634
3 EX-5.2 d479314dex52.htm EX-5.2 16555
4 EX-5.3 d479314dex53.htm EX-5.3 16266
5 EX-5.4 d479314dex54.htm EX-5.4 17430
6 EX-12.3 d479314dex123.htm EX-12.3 38072
7 EX-23.5 d479314dex235.htm EX-23.5 1602
8 EX-23.6 d479314dex236.htm EX-23.6 1519
9 EX-23.7 d479314dex237.htm EX-23.7 1518
10 EX-24.1 d479314dex241.htm EX-24.1 28196
11 EX-24.2 d479314dex242.htm EX-24.2 27949
12 EX-24.3 d479314dex243.htm EX-24.3 27854
13 EX-25.1 d479314dex251.htm EX-25.1 58469
14 EX-25.2 d479314dex252.htm EX-25.2 50760
15 EX-25.3 d479314dex253.htm EX-25.3 56818
16 GRAPHIC g479314page2.jpg GRAPHIC 6899
  Complete submission text file 0001193125-17-370362.txt   957932
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: S-3ASR | Act: 33 | File No.: 333-222076-02 | Film No.: 171258098
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: S-3ASR | Act: 33 | File No.: 333-222076-01 | Film No.: 171258097
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: S-3ASR | Act: 33 | File No.: 333-222076 | Film No.: 171258096
SIC: 4931 Electric & Other Services Combined