UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                                 SCHEDULE 14A

          Proxy Statement Pursuant to Section 14(a) of the Securities
                    Exchange Act of 1934 (Amendment No.  )

Filed by the Registrant [X]

Filed by a Party other than the Registrant [_]

Check the appropriate box:

[_]  Preliminary Proxy Statement

[_]  CONFIDENTIAL, FOR USE OF THE
     COMMISSION ONLY (AS PERMITTED BY
     RULE 14A-6(E)(2))

[_]  Definitive Proxy Statement

[X]  Definitive Additional Materials

[_]  Soliciting Material Pursuant to (S) 240.14a-11(c) or (S) 240.14a-12

                         Wisconsin Energy Corporation
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               (Name of Registrant as Specified In Its Charter)


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   (Name of Person(s) Filing Proxy Statement, if other than the Registrant)


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[_]  Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.


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     (3) Per unit price or other underlying value of transaction computed
         pursuant to Exchange Act Rule 0-11 (set forth the amount on which
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[_]  Fee paid previously with preliminary materials.

[_]  Check box if any part of the fee is offset as provided by Exchange
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Notes:





                            [LOGO FOR WISC. ENERGY]

                          Reminder to Vote Your Proxy

   April 9, 2001

   Dear Stockholder of Wisconsin Energy Corporation:

   We recently sent you materials for the 2001 Annual Meeting of
   Stockholders, but have not yet received your vote. Your vote is
   important! If you have not yet voted your proxy, please do so at your
   earliest opportunity. For your convenience, I have enclosed a
   duplicate proxy card. If you recently voted, your vote and my letter
   probably crossed in the mail. Please be assured that we have
   registered your vote.

   You may vote using the Internet, by telephone, or by returning the
   proxy card in the enclosed envelope. Instructions for voting are
   included on your proxy card. Internet and telephone voting are being
   offered as a convenience to you and as a step toward reducing costs.

   If you have any questions about the voting process, please call our
   toll-free Stockholder Hotline at 1-800-558-9663.

   Thank you for your vote.

   Sincerely,

[SIG. LOGO]
   Thomas H. Fehring
   Corporate Secretary