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                                                                      EXHIBIT 24


                                POWER OF ATTORNEY

                   KNOW ALL PERSONS BY THESE PRESENTS, That I

                                  Jack B. Evans

hereby constitute and appoint Erroll B. Davis, Jr. and Edward M. Gleason, and
each of them individually, my true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for me and in my name, place and
stead, in any and all capacities, to sign my name as a director of Alliant
Energy Resources, Inc. (the "Company") and Alliant Energy Corporation (the
"Parent") to the Registration Statement on Form S-4, and any amendments
(including post-effective amendments) or supplements thereto, relating to an
offer to exchange substantially identical unsecured debt securities and related
guarantees that are registered under the Securities Act of 1933, as amended, for
up to $250,000,000 aggregate principal amount of unsecured debt securities to be
issued by the Company and unconditionally guaranteed by the Parent, after the
consummation of the private placement of such debt securities, and to file said
Registration Statement, and any amendment (including any post-effective
amendment) or supplement thereto, with the Securities and Exchange Commission in
connection with the registration of the unsecured debt securities and related
guarantees under the Securities Act of 1933, as amended.

        I hereby ratify and confirm all that said attorneys-in-fact and agents,
or each of them, have done or shall lawfully do by virtue of this Power of
Attorney.

                  WITNESS my hand this 2nd day of February, 2000.

                                                          /s/ Jack B. Evans
                                                          --------------------
                                                          Jack B. Evans