    <SEC-DOCUMENT>0000764622-18-000022-index.html : 20180409
    <SEC-HEADER>0000764622-18-000022.hdr.sgml : 20180409
    <ACCEPTANCE-DATETIME>20180409161818
    ACCESSION NUMBER:		0000764622-18-000022
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		32
    CONFORMED PERIOD OF REPORT:	20180409
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180409
    DATE AS OF CHANGE:		20180409

    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:		18745762

    	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:		18745763

    	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-kapril10x112018inves.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: form8-kapril10x112018inves.htm

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>finalinvestormeetingsapr001.jpg
    <TEXT>
    Document 3 - file: finalinvestormeetingsapr001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>finalinvestormeetingsapr002.jpg
    <TEXT>
    Document 4 - file: finalinvestormeetingsapr002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>finalinvestormeetingsapr003.jpg
    <TEXT>
    Document 5 - file: finalinvestormeetingsapr003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>finalinvestormeetingsapr004.jpg
    <TEXT>
    Document 6 - file: finalinvestormeetingsapr004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>finalinvestormeetingsapr005.jpg
    <TEXT>
    Document 7 - file: finalinvestormeetingsapr005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>finalinvestormeetingsapr006.jpg
    <TEXT>
    Document 8 - file: finalinvestormeetingsapr006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>finalinvestormeetingsapr007.jpg
    <TEXT>
    Document 9 - file: finalinvestormeetingsapr007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>finalinvestormeetingsapr008.jpg
    <TEXT>
    Document 10 - file: finalinvestormeetingsapr008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>finalinvestormeetingsapr009.jpg
    <TEXT>
    Document 11 - file: finalinvestormeetingsapr009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>finalinvestormeetingsapr010.jpg
    <TEXT>
    Document 12 - file: finalinvestormeetingsapr010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>finalinvestormeetingsapr011.jpg
    <TEXT>
    Document 13 - file: finalinvestormeetingsapr011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>finalinvestormeetingsapr012.jpg
    <TEXT>
    Document 14 - file: finalinvestormeetingsapr012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>finalinvestormeetingsapr013.jpg
    <TEXT>
    Document 15 - file: finalinvestormeetingsapr013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>finalinvestormeetingsapr014.jpg
    <TEXT>
    Document 16 - file: finalinvestormeetingsapr014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>finalinvestormeetingsapr015.jpg
    <TEXT>
    Document 17 - file: finalinvestormeetingsapr015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>finalinvestormeetingsapr016.jpg
    <TEXT>
    Document 18 - file: finalinvestormeetingsapr016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>finalinvestormeetingsapr017.jpg
    <TEXT>
    Document 19 - file: finalinvestormeetingsapr017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>finalinvestormeetingsapr018.jpg
    <TEXT>
    Document 20 - file: finalinvestormeetingsapr018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>finalinvestormeetingsapr019.jpg
    <TEXT>
    Document 21 - file: finalinvestormeetingsapr019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>finalinvestormeetingsapr020.jpg
    <TEXT>
    Document 22 - file: finalinvestormeetingsapr020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>finalinvestormeetingsapr021.jpg
    <TEXT>
    Document 23 - file: finalinvestormeetingsapr021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>finalinvestormeetingsapr022.jpg
    <TEXT>
    Document 24 - file: finalinvestormeetingsapr022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>finalinvestormeetingsapr023.jpg
    <TEXT>
    Document 25 - file: finalinvestormeetingsapr023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>finalinvestormeetingsapr024.jpg
    <TEXT>
    Document 26 - file: finalinvestormeetingsapr024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>finalinvestormeetingsapr025.jpg
    <TEXT>
    Document 27 - file: finalinvestormeetingsapr025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>finalinvestormeetingsapr026.jpg
    <TEXT>
    Document 28 - file: finalinvestormeetingsapr026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>finalinvestormeetingsapr027.jpg
    <TEXT>
    Document 29 - file: finalinvestormeetingsapr027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>finalinvestormeetingsapr028.jpg
    <TEXT>
    Document 30 - file: finalinvestormeetingsapr028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>finalinvestormeetingsapr029.jpg
    <TEXT>
    Document 31 - file: finalinvestormeetingsapr029.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>finalinvestormeetingsapr030.jpg
    <TEXT>
    Document 32 - file: finalinvestormeetingsapr030.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>