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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001193125-12-051067
Filing Date
2012-02-10
Accepted
2012-02-10 09:09:10
Documents
4
Period of Report
2012-02-10
Items
Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K d297050d8k.htm 8-K 23903
2 EX-99.1 d297050dex991.htm EX-99.1 400168
3 PDF OF ENTIRE 8-K d297050d8k1.pdf 8-K 89263
4 GRAPHIC g297050g75f98.jpg GRAPHIC 25185
  Complete submission text file 0001193125-12-051067.txt   585081
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.: 12589738
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.: 12589737
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.: 12589736
SIC: 4931 Electric & Other Services Combined