    <SEC-DOCUMENT>0001193125-17-232052-index.html : 20170720
    <SEC-HEADER>0001193125-17-232052.hdr.sgml : 20170720
    <ACCEPTANCE-DATETIME>20170720161004
    ACCESSION NUMBER:		0001193125-17-232052
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		11
    FILED AS OF DATE:		20170720
    DATE AS OF CHANGE:		20170720
    EFFECTIVENESS DATE:		20170720

    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:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-03701
    		FILM NUMBER:		17974474

    	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>DEFA14A
    <SEQUENCE>1
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    <DESCRIPTION>DEFA14A
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    Document 2 - file: g427210txjs10g1.jpg

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    <SEQUENCE>3
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g427210txjs1g1.jpg

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    <SEQUENCE>4
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    Document 5 - file: g427210txjs3g1.jpg

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    <SEQUENCE>7
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g427210txjs5g1.jpg

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    <SEQUENCE>8
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g427210txjs6g1.jpg

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    <SEQUENCE>9
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <DOCUMENT>
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    <SEQUENCE>10
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    <DESCRIPTION>GRAPHIC
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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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