<SEC-DOCUMENT>0000104918-18-000050-index.html : 20180321
<SEC-HEADER>0000104918-18-000050.hdr.sgml : 20180321
<ACCEPTANCE-DATETIME>20180320194844
ACCESSION NUMBER:		0000104918-18-000050
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		29
CONFORMED PERIOD OF REPORT:	20180321
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180321
DATE AS OF CHANGE:		20180320

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:		18703131

	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>investorpresentation8-k03x.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: investorpresentation8-k03x.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>williamscapitallasvegas3.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: williamscapitallasvegas3.htm

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>williamscapitallasvegas3001.jpg
<TEXT>
Document 3 - file: williamscapitallasvegas3001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>williamscapitallasvegas3002.jpg
<TEXT>
Document 4 - file: williamscapitallasvegas3002.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>williamscapitallasvegas3003.jpg
<TEXT>
Document 5 - file: williamscapitallasvegas3003.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>williamscapitallasvegas3004.jpg
<TEXT>
Document 6 - file: williamscapitallasvegas3004.jpg

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<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>williamscapitallasvegas3005.jpg
<TEXT>
Document 7 - file: williamscapitallasvegas3005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>williamscapitallasvegas3006.jpg
<TEXT>
Document 8 - file: williamscapitallasvegas3006.jpg

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<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>williamscapitallasvegas3007.jpg
<TEXT>
Document 9 - file: williamscapitallasvegas3007.jpg

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<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>williamscapitallasvegas3008.jpg
<TEXT>
Document 10 - file: williamscapitallasvegas3008.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>williamscapitallasvegas3009.jpg
<TEXT>
Document 11 - file: williamscapitallasvegas3009.jpg

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<SEQUENCE>12
<FILENAME>williamscapitallasvegas3010.jpg
<TEXT>
Document 12 - file: williamscapitallasvegas3010.jpg

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<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>williamscapitallasvegas3011.jpg
<TEXT>
Document 13 - file: williamscapitallasvegas3011.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>williamscapitallasvegas3012.jpg
<TEXT>
Document 14 - file: williamscapitallasvegas3012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>williamscapitallasvegas3013.jpg
<TEXT>
Document 15 - file: williamscapitallasvegas3013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>williamscapitallasvegas3014.jpg
<TEXT>
Document 16 - file: williamscapitallasvegas3014.jpg

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<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>williamscapitallasvegas3015.jpg
<TEXT>
Document 17 - file: williamscapitallasvegas3015.jpg

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<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>williamscapitallasvegas3016.jpg
<TEXT>
Document 18 - file: williamscapitallasvegas3016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>williamscapitallasvegas3017.jpg
<TEXT>
Document 19 - file: williamscapitallasvegas3017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>williamscapitallasvegas3018.jpg
<TEXT>
Document 20 - file: williamscapitallasvegas3018.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>williamscapitallasvegas3019.jpg
<TEXT>
Document 21 - file: williamscapitallasvegas3019.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>williamscapitallasvegas3020.jpg
<TEXT>
Document 22 - file: williamscapitallasvegas3020.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>williamscapitallasvegas3021.jpg
<TEXT>
Document 23 - file: williamscapitallasvegas3021.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>williamscapitallasvegas3022.jpg
<TEXT>
Document 24 - file: williamscapitallasvegas3022.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>williamscapitallasvegas3023.jpg
<TEXT>
Document 25 - file: williamscapitallasvegas3023.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>williamscapitallasvegas3024.jpg
<TEXT>
Document 26 - file: williamscapitallasvegas3024.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>williamscapitallasvegas3025.jpg
<TEXT>
Document 27 - file: williamscapitallasvegas3025.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>williamscapitallasvegas3026.jpg
<TEXT>
Document 28 - file: williamscapitallasvegas3026.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>29
<FILENAME>williamscapitallasvegas3027.jpg
<TEXT>
Document 29 - file: williamscapitallasvegas3027.jpg

</DOCUMENT>
</SEC-DOCUMENT>