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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001193125-13-216734
Filing Date
2013-05-13
Accepted
2013-05-13 16:18:56
Documents
6
Period of Report
2013-05-09
Items
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 5.07: Submission of Matters to a Vote of Security Holders
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K d535964d8k.htm 8-K 36174
2 EX-3.1 d535964dex31.htm EX-3.1 117744
3 EX-3.2 d535964dex32.htm EX-3.2 44073
4 EX-3.3 d535964dex33.htm EX-3.3 80244
5 EX-3.4 d535964dex34.htm EX-3.4 11876
6 EX-3.5 d535964dex35.htm EX-3.5 87241
  Complete submission text file 0001193125-13-216734.txt   380463
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.: 13837587
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.: 13837589
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.: 13837588
SIC: 4931 Electric & Other Services Combined