<SEC-DOCUMENT>0001628280-26-023518-index.html : 20260403
<SEC-HEADER>0001628280-26-023518.hdr.sgml : 20260403
<ACCEPTANCE-DATETIME>20260403113857
ACCESSION NUMBER:		0001628280-26-023518
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		24
FILED AS OF DATE:		20260403
DATE AS OF CHANGE:		20260403

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
		EIN:				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:		26837216

	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>a2026pinnaclewestdefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: a2026pinnaclewestdefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>a1.jpg
<TEXT>
Document 2 - file: a1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>a2.jpg
<TEXT>
Document 3 - file: a2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>a3.jpg
<TEXT>
Document 4 - file: a3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>annual_meetingxpagexproof02.jpg
<TEXT>
Document 5 - file: annual_meetingxpagexproof02.jpg

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

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

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

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>proxyspringpresentationv2.jpg
<TEXT>
Document 9 - file: proxyspringpresentationv2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>slide10.jpg
<TEXT>
Document 10 - file: slide10.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>slide11.jpg
<TEXT>
Document 11 - file: slide11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>slide12.jpg
<TEXT>
Document 12 - file: slide12.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>slide13.jpg
<TEXT>
Document 13 - file: slide13.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>slide14.jpg
<TEXT>
Document 14 - file: slide14.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>slide15.jpg
<TEXT>
Document 15 - file: slide15.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>slide16.jpg
<TEXT>
Document 16 - file: slide16.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>slide2.jpg
<TEXT>
Document 17 - file: slide2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>slide3.jpg
<TEXT>
Document 18 - file: slide3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>slide4.jpg
<TEXT>
Document 19 - file: slide4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>slide5.jpg
<TEXT>
Document 20 - file: slide5.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>slide6.jpg
<TEXT>
Document 21 - file: slide6.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>slide7.jpg
<TEXT>
Document 22 - file: slide7.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>slide8.jpg
<TEXT>
Document 23 - file: slide8.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>slide9.jpg
<TEXT>
Document 24 - file: slide9.jpg

</DOCUMENT>
</SEC-DOCUMENT>