0000950147-03-000078 424B3 1 20030129 PINNACLE WEST CAPITAL CORP 0000764622 4911 860512431 AZ 1231 424B3 33 033-15190 03530422 400 E VAN BUREN ST PO BOX 52132 P O BOX 52132 PHOENIX AZ 85072-2132 6022501000 400 E VAN BUREN ST PO BOX 52132 PHOENIX AZ 85072-2132 AZP GROUP INC 19870506 424B3 1 e-9445.txt FINAL PROSPECTUS OF PINNACLE WEST CAPITAL CORP.