Exhibit 99.3

       Written Statement of the Chairman and Chief Executive Officer
                    Pursuant to 18 U.S.C. Section 1350

Solely for the purposes of complying  with 18 U.S.C. Section 1350, I,
the  undersigned  Chairman and Chief  Executive  Officer of Interstate
Power and Light Company (the "Company"),  hereby certify,  based on my
knowledge,  that the Quarterly  Report on Form 10-Q of the Company for
the quarter ended March 31, 2003 (the  "Report")  fully  complies with
the  requirements  of Section 13(a) of the Securities  Exchange Act of
1934 and that information  contained in the Report fairly presents, in
all  material  respects,   the  financial  condition  and  results  of
operations of the Company.


/s/ Erroll B. Davis, Jr.
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Erroll B. Davis, Jr.
May 15, 2003

A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to
the Securities and Exchange Commission or its staff upon request.