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Filing Detail
Form S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers:
SEC Accession No. 0001193125-20-318103
Filing Date
2020-12-15
Accepted
2020-12-15 16:05:54
Documents
17
Effectiveness Date
2020-12-15

Document Format Files

Seq Description Document Type Size
1 S-3ASR d32496ds3asr.htm S-3ASR 591718
2 EX-5.1 d32496dex51.htm EX-5.1 32563
3 EX-5.2 d32496dex52.htm EX-5.2 19119
4 EX-5.3 d32496dex53.htm EX-5.3 16575
5 EX-5.4 d32496dex54.htm EX-5.4 20075
6 EX-23.5 d32496dex235.htm EX-23.5 1682
7 EX-23.6 d32496dex236.htm EX-23.6 1599
8 EX-23.7 d32496dex237.htm EX-23.7 1498
9 EX-24.1 d32496dex241.htm EX-24.1 31499
10 EX-24.2 d32496dex242.htm EX-24.2 31559
11 EX-24.3 d32496dex243.htm EX-24.3 31614
12 EX-25.1 d32496dex251.htm EX-25.1 61130
13 EX-25.2 d32496dex252.htm EX-25.2 51955
14 EX-25.3 d32496dex253.htm EX-25.3 61347
15 GRAPHIC g32496g69n42.jpg GRAPHIC 778
16 GRAPHIC g32496g81b71.jpg GRAPHIC 781
17 GRAPHIC g32496snap01.jpg GRAPHIC 2404
  Complete submission text file 0001193125-20-318103.txt   962747
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.: 333-251353-01 | Film No.: 201389656
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.: 333-251353-02 | Film No.: 201389657
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.: 333-251353 | Film No.: 201389658
SIC: 4931 Electric & Other Services Combined