<SEC-DOCUMENT>0001193125-17-270193-index.html : 20170828
<SEC-HEADER>0001193125-17-270193.hdr.sgml : 20170828
<ACCEPTANCE-DATETIME>20170828150405
ACCESSION NUMBER:		0001193125-17-270193
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20170828
DATE AS OF CHANGE:		20170828
EFFECTIVENESS DATE:		20170828

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:		171054395

	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>d640177ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d640177ddefa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g640177txs1g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g640177txs1g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g640177txs2g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g640177txs2g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g640177txs3g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g640177txs3g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g640177txs4g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g640177txs4g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g640177txs5g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g640177txs5g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g640177txs6g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g640177txs6g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g640177txs7g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g640177txs7g1.jpg
</DOCUMENT> </SEC-DOCUMENT>