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 Annual
Report on Form 10-K of the  Company  for the year ended  December  31, 2002 (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.
March 25, 2003