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. 0000352541-21-000076
Filing Date
2021-08-06
Accepted
2021-08-06 11:02:43
Documents
95
Period of Report
2021-06-30

Document Format Files

Seq Description Document Type Size
1 10-Q lnt-20210630.htm   iXBRL 10-Q 3105894
2 CERTIFICATION OF THE CEO FOR ALLIANT ENERGY lnt630202110-qex311.htm EX-31.1 9455
3 CERTIFICATION OF THE CFO FOR ALLIANT ENERGY lnt630202110-qex312.htm EX-31.2 9469
4 CERTIFICATION OF THE CEO FOR IPL lnt630202110-qex313.htm EX-31.3 9449
5 CERTIFICATION OF THE CFO FOR IPL lnt630202110-qex314.htm EX-31.4 9474
6 CERTIFICATION OF THE CEO FOR WPL lnt630202110-qex315.htm EX-31.5 9500
7 CERTIFICATION OF THE CFO FOR WPL lnt630202110-qex316.htm EX-31.6 9472
8 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR ALLIANT ENERGY lnt630202110-qex321.htm EX-32.1 4412
9 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR IPL lnt630202110-qex322.htm EX-32.2 4398
10 WRITTEN STATEMENT OF CEO AND CFO PURSUANT TO 18 U.S.C.1350 FOR WPL lnt630202110-qex323.htm EX-32.3 4526
16 GRAPHIC lnt-20210630_g1.jpg GRAPHIC 319349
17 GRAPHIC lnt-20210630_g2.jpg GRAPHIC 15401
18 GRAPHIC lnt-20210630_g3.jpg GRAPHIC 11773
19 GRAPHIC lnt-20210630_g4.jpg GRAPHIC 11977
  Complete submission text file 0000352541-21-000076.txt   20056684

Data Files

Seq Description Document Type Size
11 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT lnt-20210630.xsd EX-101.SCH 60144
12 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT lnt-20210630_cal.xml EX-101.CAL 64649
13 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT lnt-20210630_def.xml EX-101.DEF 634593
14 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT lnt-20210630_lab.xml EX-101.LAB 651034
15 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT lnt-20210630_pre.xml EX-101.PRE 654044
20 EXTRACTED XBRL INSTANCE DOCUMENT lnt-20210630_htm.xml XML 6409524
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.: 211151436
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: 10-Q | Act: 34 | File No.: 000-00337 | Film No.: 211151435
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: 10-Q | Act: 34 | File No.: 001-09894 | Film No.: 211151434
SIC: 4931 Electric & Other Services Combined