<SEC-DOCUMENT>0001193125-17-277748-index.html : 20170906
<SEC-HEADER>0001193125-17-277748.hdr.sgml : 20170906
<ACCEPTANCE-DATETIME>20170906154603
ACCESSION NUMBER:		0001193125-17-277748
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20170906
DATE AS OF CHANGE:		20170906
EFFECTIVENESS DATE:		20170906

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:		171071309

	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
<FILENAME>d456254ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d456254ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g456254img.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g456254img.jpg

</DOCUMENT>
</SEC-DOCUMENT>