form35certaec_amended051805

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington D. C. 20549

 

PUBLIC UTILITY HOLDING COMPANY ACT OF 1935

File No. 70-10052

 

REPORT PERIOD

January 1, 2005 through March 31, 2005.

 

In the Matter of

 

ALLIANT ENERGY CORPORATION, ET AL

 

ALLIANT ENERGY CORPORATION (“AEC”) hereby certifies on behalf of itself, Interstate Power and Light Company (“IPL”) and Wisconsin River Power Company ("WRP") that during the period from January 1, 2005 through March 31, 2005 (the “Reporting Period”):

 

1.       Maximum amount of short-term debt outstanding and effective cost during reporting period  were as follows:

 

 

Maximum

Range of

 

Short-Term

Effective

Company

Debt

Cost

 

 

 

IPL

$          39,000,000

2.27-2.92%

AEC

$                          0

NA

WRP

$               300,000

3.09%

 

Said transactions have been carried out in accordance with the terms and conditions of, and for the purpose represented in, the Form U-1 Application-Declaration, as amended, of AEC, et al, in File 70-10249, and in accordance with the terms and conditions of the SEC’s order dated December 28, 2004, permitting said Application-Declaration to become effective.

 

DATED:

May 18, 2005

 

 

ALLIANT ENERGY CORPORATION

 

INTERSTATE POWER AND LIGHT COMPANY

 

WISCONSIN RIVER POWER COMPANY

 

 

 

BY:    ALLIANT ENERGY CORPORATION

 

 

 

 

 

 

 

BY:      /s/ Thomas L. Hanson          

 

Thomas L. Hanson

 

Vice President and Treasurer