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Filing Detail
Form 424B5 - Prospectus [Rule 424(b)(5)]:
SEC Accession No. 0000950137-04-003534
Filing Date
2004-05-04
Accepted
2004-05-04 15:52:53
Documents
1

Document Format Files

Seq Description Document Type Size
1 PROSPECTUS SUPPLEMENT c85015fe424b5.htm 424B5 331079
  Complete submission text file 0000950137-04-003534.txt   332897
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: 424B5 | Act: 33 | File No.: 333-114065 | Film No.: 04777719
SIC: 4931 Electric & Other Services Combined