<SEC-DOCUMENT>9999999995-12-001014.txt : 20120412
<SEC-HEADER>9999999995-12-001014.hdr.sgml : 20120412
<ACCEPTANCE-DATETIME>20120412001517
ACCESSION NUMBER:		9999999995-12-001014
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20120411
DATE AS OF CHANGE:		20120412
EFFECTIVENESS DATE:		20120411

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:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-180316
		FILM NUMBER:		12755360

	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>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2012-04-11</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>10:00:00</finalEffectivenessDispTime>
        <form>S-3</form>
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            <entityName>UNITIL CORP</entityName>
            <fileNumber>333-180316</fileNumber>
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