<SEC-DOCUMENT>0001193125-21-040715-index.html : 20210212
<SEC-HEADER>0001193125-21-040715.hdr.sgml : 20210212
<ACCEPTANCE-DATETIME>20210212114751
ACCESSION NUMBER:		0001193125-21-040715
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210212
DATE AS OF CHANGE:		20210212

SUBJECT COMPANY:	

	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:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-35285
		FILM NUMBER:		21624493

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PUBLIC SECTOR PENSION INVESTMENT BOARD
		CENTRAL INDEX KEY:			0001396318
		IRS NUMBER:				980387870
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		1250 RENE-LEVESQUE BLVD WEST
		STREET 2:		SUITE 1400
		CITY:			MONTREAL
		STATE:			A8
		ZIP:			H3B 5E9
		BUSINESS PHONE:		514-937-2772

	MAIL ADDRESS:	
		STREET 1:		1250 RENE-LEVESQUE BLVD WEST
		STREET 2:		SUITE 1400
		CITY:			MONTREAL
		STATE:			A8
		ZIP:			H3B 5E9

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Public Sector Pension Investment Board
		DATE OF NAME CHANGE:	20070412
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d124981dsc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: d124981dsc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>