<SEC-DOCUMENT>0001193125-17-331857-index.html : 20171103
<SEC-HEADER>0001193125-17-331857.hdr.sgml : 20171103
<ACCEPTANCE-DATETIME>20171103064602
ACCESSION NUMBER:		0001193125-17-331857
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20171101
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20171103
DATE AS OF CHANGE:		20171103

FILER:

	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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08858
		FILM NUMBER:		171174609

	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
</SEC-HEADER>
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<TYPE>8-K
<SEQUENCE>1
<FILENAME>d483105d8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: d483105d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.2
<SEQUENCE>2
<FILENAME>d483105dex42.htm
<DESCRIPTION>EX-4.2
<TEXT>
Document 2 - file: d483105dex42.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.3
<SEQUENCE>3
<FILENAME>d483105dex43.htm
<DESCRIPTION>EX-4.3
<TEXT>
Document 3 - file: d483105dex43.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.5
<SEQUENCE>4
<FILENAME>d483105dex45.htm
<DESCRIPTION>EX-4.5
<TEXT>
Document 4 - file: d483105dex45.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.6
<SEQUENCE>5
<FILENAME>d483105dex46.htm
<DESCRIPTION>EX-4.6
<TEXT>
Document 5 - file: d483105dex46.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.8
<SEQUENCE>6
<FILENAME>d483105dex48.htm
<DESCRIPTION>EX-4.8
<TEXT>
Document 6 - file: d483105dex48.htm

</DOCUMENT>
</SEC-DOCUMENT>