    <SEC-DOCUMENT>0000764622-24-000046-index.html : 20240506
    <SEC-HEADER>0000764622-24-000046.hdr.sgml : 20240506
    <ACCEPTANCE-DATETIME>20240506111951
    ACCESSION NUMBER:		0000764622-24-000046
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		8
    FILED AS OF DATE:		20240506
    DATE AS OF CHANGE:		20240506

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			PINNACLE WEST CAPITAL CORP
    		CENTRAL INDEX KEY:			0000764622
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
    		ORGANIZATION NAME:           	01 Energy & Transportation
    		IRS NUMBER:				860512431
    		STATE OF INCORPORATION:			AZ
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-08962
    		FILM NUMBER:		24916394

    	BUSINESS ADDRESS:
    		STREET 1:		400 NORTH FIFTH STREET
    		STREET 2:		MS 8695
    		CITY:			PHOENIX
    		STATE:			AZ
    		ZIP:			85004
    		BUSINESS PHONE:		602 250 1000

    	MAIL ADDRESS:
    		STREET 1:		400 NORTH FIFTH STREET
    		STREET 2:		MS 8695
    		CITY:			PHOENIX
    		STATE:			AZ
    		ZIP:			85004

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	AZP GROUP INC
    		DATE OF NAME CHANGE:	19870506
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>a2024defa14abryanretirement.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: a2024defa14abryanretirement.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>a05426752-3_sigxsimsxpa.jpg
    <TEXT>
    Document 2 - file: a05426752-3_sigxsimsxpa.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>a1.jpg
    <TEXT>
    Document 3 - file: a1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>a2.jpg
    <TEXT>
    Document 4 - file: a2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>a3.jpg
    <TEXT>
    Document 5 - file: a3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>letter_1.jpg
    <TEXT>
    Document 6 - file: letter_1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>letter_2.jpg
    <TEXT>
    Document 7 - file: letter_2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>logo_pinnaclewesta.jpg
    <TEXT>
    Document 8 - file: logo_pinnaclewesta.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>