<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>