    <SEC-DOCUMENT>0000104918-17-000143-index.html : 20171205
    <SEC-HEADER>0000104918-17-000143.hdr.sgml : 20171205
    <ACCEPTANCE-DATETIME>20171205165349
    ACCESSION NUMBER:		0000104918-17-000143
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		25
    CONFORMED PERIOD OF REPORT:	20171205
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20171205
    DATE AS OF CHANGE:		20171205

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AVISTA CORP
    		CENTRAL INDEX KEY:			0000104918
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
    		IRS NUMBER:				910462470
    		STATE OF INCORPORATION:			WA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-03701
    		FILM NUMBER:		171240308

    	BUSINESS ADDRESS:
    		STREET 1:		1411 E MISSION AVE
    		CITY:			SPOKANE
    		STATE:			WA
    		ZIP:			99202
    		BUSINESS PHONE:		5094890500

    	MAIL ADDRESS:
    		STREET 1:		1411 EAST MISSION
    		CITY:			SPOKANE
    		STATE:			WA
    		ZIP:			99202

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	WASHINGTON WATER POWER CO
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>investorpresentation12-05x.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: investorpresentation12-05x.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>ex991investorpresenta51a.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: ex991investorpresenta51a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>ex991investorpresenta51a001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: ex991investorpresenta51a001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>ex991investorpresenta51a002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: ex991investorpresenta51a002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>ex991investorpresenta51a003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: ex991investorpresenta51a003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>ex991investorpresenta51a004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: ex991investorpresenta51a004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>ex991investorpresenta51a005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: ex991investorpresenta51a005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>ex991investorpresenta51a006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: ex991investorpresenta51a006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>ex991investorpresenta51a007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: ex991investorpresenta51a007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>ex991investorpresenta51a008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: ex991investorpresenta51a008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>ex991investorpresenta51a009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: ex991investorpresenta51a009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>ex991investorpresenta51a010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: ex991investorpresenta51a010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>ex991investorpresenta51a011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: ex991investorpresenta51a011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>ex991investorpresenta51a012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: ex991investorpresenta51a012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>ex991investorpresenta51a013.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: ex991investorpresenta51a013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>ex991investorpresenta51a014.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: ex991investorpresenta51a014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>ex991investorpresenta51a015.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: ex991investorpresenta51a015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>ex991investorpresenta51a016.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: ex991investorpresenta51a016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>ex991investorpresenta51a017.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: ex991investorpresenta51a017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>ex991investorpresenta51a018.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: ex991investorpresenta51a018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>ex991investorpresenta51a019.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: ex991investorpresenta51a019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>ex991investorpresenta51a020.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: ex991investorpresenta51a020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>ex991investorpresenta51a021.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: ex991investorpresenta51a021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>ex991investorpresenta51a022.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: ex991investorpresenta51a022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>ex991investorpresenta51a023.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: ex991investorpresenta51a023.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>