<SEC-DOCUMENT>0000764622-18-000038-index.html : 20180614 <SEC-HEADER>0000764622-18-000038.hdr.sgml : 20180614 <ACCEPTANCE-DATETIME>20180614144748 ACCESSION NUMBER: 0000764622-18-000038 CONFORMED SUBMISSION TYPE: 11-K PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20171231 FILED AS OF DATE: 20180614 DATE AS OF CHANGE: 20180614 FILER: COMPANY DATA: COMPANY CONFORMED NAME: PINNACLE WEST CAPITAL CORP CENTRAL INDEX KEY: 0000764622 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC SERVICES [4911] IRS NUMBER: 860512431 STATE OF INCORPORATION: AZ FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 11-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-08962 FILM NUMBER: 18898944 BUSINESS ADDRESS: STREET 1: 400 NORTH FIFTH STREET STREET 2: MS8695 CITY: PHOENIX STATE: AZ ZIP: 85004 BUSINESS PHONE: 602 250 1000 MAIL ADDRESS: STREET 1: 400 NORTH FIFTH STREET STREET 2: MS8695 CITY: PHOENIX STATE: AZ ZIP: 85004 FORMER COMPANY: FORMER CONFORMED NAME: AZP GROUP INC DATE OF NAME CHANGE: 19870506 </SEC-HEADER> <DOCUMENT> <TYPE>11-K <SEQUENCE>1 <FILENAME>a11-k123117.htm <DESCRIPTION>11-K <TEXT> Document 1 - file: a11-k123117.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>2 <FILENAME>exhibit231201711k.htm <DESCRIPTION>EXHIBIT 23.1 <TEXT> Document 2 - file: exhibit231201711k.htm
</DOCUMENT> </SEC-DOCUMENT>