<SEC-DOCUMENT>0000104918-17-000096-index.html : 20170531
<SEC-HEADER>0000104918-17-000096.hdr.sgml : 20170531
<ACCEPTANCE-DATETIME>20170531171616
ACCESSION NUMBER:		0000104918-17-000096
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		24
CONFORMED PERIOD OF REPORT:	20170531
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20170531
DATE AS OF CHANGE:		20170531

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:		17882036

	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>investorpresentation05-31x.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: investorpresentation05-31x.htm

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

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>ubswestcoastconferencema001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: ubswestcoastconferencema001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ubswestcoastconferencema002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: ubswestcoastconferencema002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>ubswestcoastconferencema003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: ubswestcoastconferencema003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>ubswestcoastconferencema004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: ubswestcoastconferencema004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>ubswestcoastconferencema005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: ubswestcoastconferencema005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>ubswestcoastconferencema006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: ubswestcoastconferencema006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>ubswestcoastconferencema007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: ubswestcoastconferencema007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>ubswestcoastconferencema008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: ubswestcoastconferencema008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>ubswestcoastconferencema009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: ubswestcoastconferencema009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>ubswestcoastconferencema010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: ubswestcoastconferencema010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>ubswestcoastconferencema011.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: ubswestcoastconferencema011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>ubswestcoastconferencema012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: ubswestcoastconferencema012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>ubswestcoastconferencema013.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: ubswestcoastconferencema013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>ubswestcoastconferencema014.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: ubswestcoastconferencema014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>ubswestcoastconferencema015.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: ubswestcoastconferencema015.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>ubswestcoastconferencema016.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: ubswestcoastconferencema016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>ubswestcoastconferencema017.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: ubswestcoastconferencema017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>ubswestcoastconferencema018.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: ubswestcoastconferencema018.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>ubswestcoastconferencema019.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: ubswestcoastconferencema019.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>ubswestcoastconferencema020.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: ubswestcoastconferencema020.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>ubswestcoastconferencema021.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: ubswestcoastconferencema021.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>ubswestcoastconferencema022.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: ubswestcoastconferencema022.jpg

</DOCUMENT>
</SEC-DOCUMENT>