Exhibit (99.2)

 Written Statement of the Executive Vice President and Chief Financial 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 Executive Vice President and Chief Financial Officer of Alliant
Energy Corporation (the "Company"), hereby certify, based on my knowledge,
that the Quarterly Report on Form 10-Q of the Company for the quarter ended
September 30, 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/  Thomas M. Walker
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Thomas M. Walker
November 14, 2002