    <SEC-DOCUMENT>0000764622-18-000075-index.html : 20181109
    <SEC-HEADER>0000764622-18-000075.hdr.sgml : 20181109
    <ACCEPTANCE-DATETIME>20181109163140
    ACCESSION NUMBER:		0000764622-18-000075
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		46
    CONFORMED PERIOD OF REPORT:	20181109
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20181109
    DATE AS OF CHANGE:		20181109

    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:		181173513

    	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

    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:		181173512

    	BUSINESS ADDRESS:
    		STREET 1:		400 N FIFTH ST
    		STREET 2:		P O BOX 53999
    		CITY:			PHOENIX
    		STATE:			AZ
    		ZIP:			85004
    		BUSINESS PHONE:		6022501000
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>form8-k11x9x18november11x1.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: form8-k11x9x18november11x1.htm

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>eeifinancialconferenceno001.jpg
    <TEXT>
    Document 3 - file: eeifinancialconferenceno001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>eeifinancialconferenceno002.jpg
    <TEXT>
    Document 4 - file: eeifinancialconferenceno002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>eeifinancialconferenceno003.jpg
    <TEXT>
    Document 5 - file: eeifinancialconferenceno003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>eeifinancialconferenceno004.jpg
    <TEXT>
    Document 6 - file: eeifinancialconferenceno004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>eeifinancialconferenceno005.jpg
    <TEXT>
    Document 7 - file: eeifinancialconferenceno005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>eeifinancialconferenceno006.jpg
    <TEXT>
    Document 8 - file: eeifinancialconferenceno006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>eeifinancialconferenceno007.jpg
    <TEXT>
    Document 9 - file: eeifinancialconferenceno007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>eeifinancialconferenceno008.jpg
    <TEXT>
    Document 10 - file: eeifinancialconferenceno008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>eeifinancialconferenceno009.jpg
    <TEXT>
    Document 11 - file: eeifinancialconferenceno009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>eeifinancialconferenceno010.jpg
    <TEXT>
    Document 12 - file: eeifinancialconferenceno010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>eeifinancialconferenceno011.jpg
    <TEXT>
    Document 13 - file: eeifinancialconferenceno011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>eeifinancialconferenceno012.jpg
    <TEXT>
    Document 14 - file: eeifinancialconferenceno012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>eeifinancialconferenceno013.jpg
    <TEXT>
    Document 15 - file: eeifinancialconferenceno013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>eeifinancialconferenceno014.jpg
    <TEXT>
    Document 16 - file: eeifinancialconferenceno014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>eeifinancialconferenceno015.jpg
    <TEXT>
    Document 17 - file: eeifinancialconferenceno015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>eeifinancialconferenceno016.jpg
    <TEXT>
    Document 18 - file: eeifinancialconferenceno016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>eeifinancialconferenceno017.jpg
    <TEXT>
    Document 19 - file: eeifinancialconferenceno017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>eeifinancialconferenceno018.jpg
    <TEXT>
    Document 20 - file: eeifinancialconferenceno018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>eeifinancialconferenceno019.jpg
    <TEXT>
    Document 21 - file: eeifinancialconferenceno019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>eeifinancialconferenceno020.jpg
    <TEXT>
    Document 22 - file: eeifinancialconferenceno020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>eeifinancialconferenceno021.jpg
    <TEXT>
    Document 23 - file: eeifinancialconferenceno021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>eeifinancialconferenceno022.jpg
    <TEXT>
    Document 24 - file: eeifinancialconferenceno022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>eeifinancialconferenceno023.jpg
    <TEXT>
    Document 25 - file: eeifinancialconferenceno023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>eeifinancialconferenceno024.jpg
    <TEXT>
    Document 26 - file: eeifinancialconferenceno024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>eeifinancialconferenceno025.jpg
    <TEXT>
    Document 27 - file: eeifinancialconferenceno025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>eeifinancialconferenceno026.jpg
    <TEXT>
    Document 28 - file: eeifinancialconferenceno026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>eeifinancialconferenceno027.jpg
    <TEXT>
    Document 29 - file: eeifinancialconferenceno027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>eeifinancialconferenceno028.jpg
    <TEXT>
    Document 30 - file: eeifinancialconferenceno028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>eeifinancialconferenceno029.jpg
    <TEXT>
    Document 31 - file: eeifinancialconferenceno029.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>eeifinancialconferenceno030.jpg
    <TEXT>
    Document 32 - file: eeifinancialconferenceno030.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>eeifinancialconferenceno031.jpg
    <TEXT>
    Document 33 - file: eeifinancialconferenceno031.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>eeifinancialconferenceno032.jpg
    <TEXT>
    Document 34 - file: eeifinancialconferenceno032.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>eeifinancialconferenceno033.jpg
    <TEXT>
    Document 35 - file: eeifinancialconferenceno033.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>eeifinancialconferenceno034.jpg
    <TEXT>
    Document 36 - file: eeifinancialconferenceno034.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>eeifinancialconferenceno035.jpg
    <TEXT>
    Document 37 - file: eeifinancialconferenceno035.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>eeifinancialconferenceno036.jpg
    <TEXT>
    Document 38 - file: eeifinancialconferenceno036.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>eeifinancialconferenceno037.jpg
    <TEXT>
    Document 39 - file: eeifinancialconferenceno037.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>eeifinancialconferenceno038.jpg
    <TEXT>
    Document 40 - file: eeifinancialconferenceno038.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>eeifinancialconferenceno039.jpg
    <TEXT>
    Document 41 - file: eeifinancialconferenceno039.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>eeifinancialconferenceno040.jpg
    <TEXT>
    Document 42 - file: eeifinancialconferenceno040.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>eeifinancialconferenceno041.jpg
    <TEXT>
    Document 43 - file: eeifinancialconferenceno041.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>eeifinancialconferenceno042.jpg
    <TEXT>
    Document 44 - file: eeifinancialconferenceno042.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>eeifinancialconferenceno043.jpg
    <TEXT>
    Document 45 - file: eeifinancialconferenceno043.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>eeifinancialconferenceno044.jpg
    <TEXT>
    Document 46 - file: eeifinancialconferenceno044.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>