Exhibit 99.6

 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 Wisconsin 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/ Thomas M. Walker
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Thomas M. Walker
March 25, 2003