<SEC-DOCUMENT>0001140361-21-004737-index.html : 20210212
<SEC-HEADER>0001140361-21-004737.hdr.sgml : 20210212
<ACCEPTANCE-DATETIME>20210212172225
ACCESSION NUMBER:		0001140361-21-004737
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210212
DATE AS OF CHANGE:		20210212

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITIL CORP
		CENTRAL INDEX KEY:			0000755001
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				020381573
		STATE OF INCORPORATION:			NH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-40265
		FILM NUMBER:		21629822

	BUSINESS ADDRESS:	
		STREET 1:		6 LIBERTY LANE WEST
		CITY:			HAMPTON
		STATE:			NH
		ZIP:			03842
		BUSINESS PHONE:		6037736504

	MAIL ADDRESS:	
		STREET 1:		6 LIBERTY LANE WEST
		CITY:			HAMPTON
		STATE:			NH
		ZIP:			03842

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CAISSE DE DEPOT ET PLACEMENT DU QUEBEC
		CENTRAL INDEX KEY:			0000898286
		IRS NUMBER:				980380483
		STATE OF INCORPORATION:			A8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1000 PLACE JEAN-PAUL RIOPELLE
		CITY:			MONTREAL
		STATE:			A8
		ZIP:			H2Z2B3
		BUSINESS PHONE:		514 847-2353

	MAIL ADDRESS:	
		STREET 1:		1000 PLACE JEAN-PAUL RIOPELLE
		CITY:			MONTREAL
		STATE:			A8
		ZIP:			H2Z2B3
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>brhc10020330_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: brhc10020330_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>