                                                                    Exhibit 99.1

                                                          Last Updated 7/23/2002

                        PINNACLE WEST CAPITAL CORPORATION

                   QUARTERLY CONSOLIDATED STATISTICAL SUMMARY
                      PERIODS ENDED JUNE 30, 2002 AND 2001

                                LIST OF CONTENTS


                           2002 SECOND-QUARTER SUMMARY

                                2002 YEAR-TO-DATE

                                 2001 BY QUARTER

                                 2000 BY QUARTER

                                 1999 BY QUARTER


     See the Glossary of Terms on this website for definitions of terms used
        in this summary. Quarters may not sum to totals due to rounding.

