EXHIBIT 99.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



     This  certification  is  provided  pursuant  to  Section  906  of  the
Sarbanes-Oxley  Act  of 2002, 18 U.S.C. Section 1350, and accompanies the annual
report  on  Form  10-K for the year ended December 31, 2002 (the "Form 10-K") of
SEMCO  Energy,  Inc.  (the  "Issuer").

     I,  Marcus  Jackson,  Chairman  of the Board, President and Chief Executive
Officer  of  the  Issuer,  certify  that:

(i)     The  Form  10-K fully complies with the requirements of Section 13(a) or
Section  15(d)  of  the  Securities  Exchange  Act  of 1934 (15 U.S.C. 78m(a) or
78o(d));  and

(ii)     The  information  contained  in  the  Form 10-K fairly presents, in all
material  respects,  the  financial  condition  and results of operations of the
Issuer.



Dated:  March  14,  2003
                                        /s/Marcus  Jackson
                                        --------------------------------------
                                        Chairman  of  the  Board,  President
                                        and  Chief  Executive  Officer,
                                        SEMCO  Energy,  Inc.