<SEC-DOCUMENT>0000932471-19-005652-index.html : 20190211
<SEC-HEADER>0000932471-19-005652.hdr.sgml : 20190211
<ACCEPTANCE-DATETIME>20190211160825
ACCESSION NUMBER:		0000932471-19-005652
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190211
DATE AS OF CHANGE:		20190211

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NORTHWESTERN CORP
		CENTRAL INDEX KEY:			0000073088
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				460172280
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-36015
		FILM NUMBER:		19585455

	BUSINESS ADDRESS:	
		STREET 1:		3010 W 69TH STREET
		CITY:			SIOUX FALLS
		STATE:			SD
		ZIP:			57108
		BUSINESS PHONE:		6059782908

	MAIL ADDRESS:	
		STREET 1:		3010 W 69TH STREET
		CITY:			SIOUX FALLS
		STATE:			SD
		ZIP:			57108

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NORTHWESTERN PUBLIC SERVICE CO
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VANGUARD GROUP INC
		CENTRAL INDEX KEY:			0000102909
		IRS NUMBER:				231945930
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 2600
		STREET 2:		V26
		CITY:			VALLEY FORGE
		STATE:			PA
		ZIP:			19482-2600
		BUSINESS PHONE:		6106691000

	MAIL ADDRESS:	
		STREET 1:		PO BOX 2600
		STREET 2:		V26
		CITY:			VALLEY FORGE
		STATE:			PA
		ZIP:			19482-2600
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>northwesterncorp.htm
<TEXT>
Document 1 - file: northwesterncorp.htm

</DOCUMENT>
</SEC-DOCUMENT>