    <SEC-DOCUMENT>0000104918-19-000096-index.html : 20190520
    <SEC-HEADER>0000104918-19-000096.hdr.sgml : 20190520
    <ACCEPTANCE-DATETIME>20190520085509
    ACCESSION NUMBER:		0000104918-19-000096
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		33
    CONFORMED PERIOD OF REPORT:	20190520
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20190520
    DATE AS OF CHANGE:		20190520

    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:		19837700

    	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>investorpresentation05-20x.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: investorpresentation05-20x.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>ex991investorpresent0520.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: ex991investorpresent0520.htm

    </DOCUMENT>
    <DOCUMENT>
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    <SEQUENCE>3
    <FILENAME>ex991investorpresent0520001.jpg
    <TEXT>
    Document 3 - file: ex991investorpresent0520001.jpg

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    <SEQUENCE>4
    <FILENAME>ex991investorpresent0520002.jpg
    <TEXT>
    Document 4 - file: ex991investorpresent0520002.jpg

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    <FILENAME>ex991investorpresent0520003.jpg
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    Document 5 - file: ex991investorpresent0520003.jpg

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    Document 6 - file: ex991investorpresent0520004.jpg

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    <TEXT>
    Document 10 - file: ex991investorpresent0520008.jpg

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    Document 11 - file: ex991investorpresent0520009.jpg

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    Document 20 - file: ex991investorpresent0520018.jpg

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    <SEQUENCE>21
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    <SEQUENCE>28
    <FILENAME>ex991investorpresent0520026.jpg
    <TEXT>
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    <SEQUENCE>29
    <FILENAME>ex991investorpresent0520027.jpg
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    <SEQUENCE>30
    <FILENAME>ex991investorpresent0520028.jpg
    <TEXT>
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    <FILENAME>ex991investorpresent0520029.jpg
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    <SEQUENCE>32
    <FILENAME>ex991investorpresent0520030.jpg
    <TEXT>
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    <DOCUMENT>
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    <SEQUENCE>33
    <FILENAME>ex991investorpresent0520031.jpg
    <TEXT>
    Document 33 - file: ex991investorpresent0520031.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>