    <SEC-DOCUMENT>0000764622-23-000045-index.html : 20230227
    <SEC-HEADER>0000764622-23-000045.hdr.sgml : 20230227
    <ACCEPTANCE-DATETIME>20230227171601
    ACCESSION NUMBER:		0000764622-23-000045
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		52
    CONFORMED PERIOD OF REPORT:	20230227
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20230227
    DATE AS OF CHANGE:		20230227

    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:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-08962
    		FILM NUMBER:		23676586

    	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

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ARIZONA PUBLIC SERVICE CO
    		CENTRAL INDEX KEY:			0000007286
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
    		IRS NUMBER:				860011170
    		STATE OF INCORPORATION:			AZ
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-04473
    		FILM NUMBER:		23676587

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

    	MAIL ADDRESS:
    		STREET 1:		P O BOX 53999
    		CITY:			PHOENIX
    		STATE:			AZ
    		ZIP:			85072-3999
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>pnw-20230227.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: pnw-20230227.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>a2023februaryinvestordec.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: a2023februaryinvestordec.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>pnw-20230227.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: pnw-20230227.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>4
    <FILENAME>pnw-20230227_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
    <TEXT>
    Document 4 - file: pnw-20230227_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>5
    <FILENAME>pnw-20230227_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: pnw-20230227_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>6
    <FILENAME>pnw-20230227_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: pnw-20230227_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>a2023februaryinvestordec001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: a2023februaryinvestordec001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>a2023februaryinvestordec002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: a2023februaryinvestordec002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>a2023februaryinvestordec003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: a2023februaryinvestordec003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>a2023februaryinvestordec004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: a2023februaryinvestordec004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>a2023februaryinvestordec005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: a2023februaryinvestordec005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>a2023februaryinvestordec006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: a2023februaryinvestordec006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>a2023februaryinvestordec007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: a2023februaryinvestordec007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>a2023februaryinvestordec008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: a2023februaryinvestordec008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>a2023februaryinvestordec009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: a2023februaryinvestordec009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>a2023februaryinvestordec010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: a2023februaryinvestordec010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>a2023februaryinvestordec011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: a2023februaryinvestordec011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>a2023februaryinvestordec012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: a2023februaryinvestordec012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>a2023februaryinvestordec013.jpg
    <TEXT>
    Document 19 - file: a2023februaryinvestordec013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>a2023februaryinvestordec014.jpg
    <TEXT>
    Document 20 - file: a2023februaryinvestordec014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>a2023februaryinvestordec015.jpg
    <TEXT>
    Document 21 - file: a2023februaryinvestordec015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>a2023februaryinvestordec016.jpg
    <TEXT>
    Document 22 - file: a2023februaryinvestordec016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>a2023februaryinvestordec017.jpg
    <TEXT>
    Document 23 - file: a2023februaryinvestordec017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>a2023februaryinvestordec018.jpg
    <TEXT>
    Document 24 - file: a2023februaryinvestordec018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>a2023februaryinvestordec019.jpg
    <TEXT>
    Document 25 - file: a2023februaryinvestordec019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>a2023februaryinvestordec020.jpg
    <TEXT>
    Document 26 - file: a2023februaryinvestordec020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>a2023februaryinvestordec021.jpg
    <TEXT>
    Document 27 - file: a2023februaryinvestordec021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>a2023februaryinvestordec022.jpg
    <TEXT>
    Document 28 - file: a2023februaryinvestordec022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>a2023februaryinvestordec023.jpg
    <TEXT>
    Document 29 - file: a2023februaryinvestordec023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>a2023februaryinvestordec024.jpg
    <TEXT>
    Document 30 - file: a2023februaryinvestordec024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>a2023februaryinvestordec025.jpg
    <TEXT>
    Document 31 - file: a2023februaryinvestordec025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>a2023februaryinvestordec026.jpg
    <TEXT>
    Document 32 - file: a2023februaryinvestordec026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>a2023februaryinvestordec027.jpg
    <TEXT>
    Document 33 - file: a2023februaryinvestordec027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>a2023februaryinvestordec028.jpg
    <TEXT>
    Document 34 - file: a2023februaryinvestordec028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>a2023februaryinvestordec029.jpg
    <TEXT>
    Document 35 - file: a2023februaryinvestordec029.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>a2023februaryinvestordec030.jpg
    <TEXT>
    Document 36 - file: a2023februaryinvestordec030.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>a2023februaryinvestordec031.jpg
    <TEXT>
    Document 37 - file: a2023februaryinvestordec031.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>a2023februaryinvestordec032.jpg
    <TEXT>
    Document 38 - file: a2023februaryinvestordec032.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>a2023februaryinvestordec033.jpg
    <TEXT>
    Document 39 - file: a2023februaryinvestordec033.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>a2023februaryinvestordec034.jpg
    <TEXT>
    Document 40 - file: a2023februaryinvestordec034.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>a2023februaryinvestordec035.jpg
    <TEXT>
    Document 41 - file: a2023februaryinvestordec035.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>a2023februaryinvestordec036.jpg
    <TEXT>
    Document 42 - file: a2023februaryinvestordec036.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>a2023februaryinvestordec037.jpg
    <TEXT>
    Document 43 - file: a2023februaryinvestordec037.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>a2023februaryinvestordec038.jpg
    <TEXT>
    Document 44 - file: a2023februaryinvestordec038.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>45
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 45 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>46
    <FILENAME>pnw-20230227_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 46 - file: pnw-20230227_htm.html

    Document 46 - RAW XML: pnw-20230227_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>47
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 47 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>48
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 48 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>49
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 49 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>50
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 50 - file: FilingSummary.html

    Document 50 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>53
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 53 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>54
    <FILENAME>0000764622-23-000045-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 54 - file: 0000764622-23-000045-xbrl.zip

    </DOCUMENT>
    </SEC-DOCUMENT>