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

In connection with the Quarterly Report of Duke Energy Corporation ("Duke
Energy") on Form 10-Q for the period ending March 31, 2003 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Richard
B. Priory, Chairman of the Board and Chief Executive Officer of Duke Energy,
certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906
of the Sarbanes-Oxley Act of 2002, that:

          (1)  The Report fully complies with the requirements of section 13(a)
or 15(d) of the Securities Exchange Act of 1934; and

          (2)  The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of Duke
Energy.

Date: May 15, 2003                        /s/  Richard B. Priory
                                          --------------------------------
                                          Richard B. Priory
                                          Chairman of the Board
                                          and Chief Executive Officer

                                       44