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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000352541-20-000103
Filing Date
2020-10-29
Accepted
2020-10-28 20:09:14
Documents
17
Period of Report
2020-10-27
Items
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K lnt102720208-k.htm   iXBRL 8-K 55816
2 EXHIBIT 3.1 lnt102720208-kex31.htm EX-3.1 135934
3 EXHIBIT 3.2 lnt102720208-kex32.htm EX-3.2 101572
4 EXHIBIT 3.3 lnt102720208-kex33.htm EX-3.3 110994
  Complete submission text file 0000352541-20-000103.txt   688013

Data Files

Seq Description Document Type Size
5 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT lnt-20201027.xsd EX-101.SCH 4990
6 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT lnt-20201027_cal.xml EX-101.CAL 710
7 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT lnt-20201027_def.xml EX-101.DEF 15409
8 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT lnt-20201027_lab.xml EX-101.LAB 33770
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT lnt-20201027_pre.xml EX-101.PRE 17432
10 EXTRACTED XBRL INSTANCE DOCUMENT lnt102720208-k_htm.xml XML 11068
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: 8-K | Act: 34 | File No.: 001-04117 | Film No.: 201270092
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: 8-K | Act: 34 | File No.: 000-00337 | Film No.: 201270093
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: 8-K | Act: 34 | File No.: 001-09894 | Film No.: 201270094
SIC: 4931 Electric & Other Services Combined