FORM 6-K
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                        Report of Foreign Private Issuer

                        Pursuant to Rule 13a-16 or 15d-16
                     of the Securities Exchange Act of 1934




For the month of   April, 2003
Commission File Number 333-7182-01

                                   CEZ, a. s.

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                 (Translation of registrant's name into English)


                                c/o Duhova 2/1444
                                 140 53 Prague 4
                                 Czech Republic

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                    (Address of principal executive offices)


Indicate by check mark whether the registrant  files or will file annual reports
under cover Form 20-F or Form 40-F.

                      Form 20-F. X   Form 40-F
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Indicate by check mark if the registrant is submitting the Form 6-K in paper as
permitted by Regulation S-T Rule 101(b)(1):
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Indicate by check mark if the  registrant is submitting the Form 6-K in paper as
permitted by Regulation S-T Rule 101(b)(7):
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Indicate by check mark whether by furnishing the  information  contained in this
Form,  the  registrant  is  also  thereby  furnishing  the  information  to  the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

                                Yes       No X
                                   ---      ---

If "Yes" is marked, indicate below the file number assigned to the registrant in
connection with Rule 12g3-2(b): 82-
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The following information was filed by CEZ, a. s. in Czech language with the
Prague Stock Exchange as required by its rules and regulations:


                       Notice of a Mandatory Tender Offer

CEZ, a. s., having its registered office at Duhova 2/1444, 140 53 Prague 4,
Identification No.: 45274649, hereby gives notification that, as a result of its
having acquired a share in the voting rights allowing it to control the company
on April 2, 2003, it became obliged to make a tender offer to the shareholders
of the target company, St0edoeeska energeticka a.s., with its registered office
at Vinohradska 325/8, 120 21 Prague 2, Identification No.: 60193140.

CEZ, a. s., having its registered office at Duhova 2/1444, 140 53 Prague 4,
Identification No.: 45274649, hereby gives notification that, as a result of its
having acquired a share in the voting rights allowing it to control the company
on April 2, 2003, it became obliged to make a tender offer to the shareholders
of the target company, Zapadoeeska energetika, a.s., Guldenerova 19, 303 28
Plzeo, Identification No.: 49790463.





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                                   Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


                                                      CEZ, a. s.

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                                                     (Registrant)
Date: April 7, 2003


                                            By:
                                               ---------------------------------
                                                       Libuse Latalova
                                               Head of Finance Administration