<SEC-DOCUMENT>0001193125-21-094181-index.html : 20210325
<SEC-HEADER>0001193125-21-094181.hdr.sgml : 20210325
<ACCEPTANCE-DATETIME>20210325140057
ACCESSION NUMBER:		0001193125-21-094181
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		38
CONFORMED PERIOD OF REPORT:	20210428
FILED AS OF DATE:		20210325
DATE AS OF CHANGE:		20210325

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08858
		FILM NUMBER:		21771777

	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>DEF 14A
<SEQUENCE>1
<FILENAME>d75833ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: d75833ddef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g75833g01d63.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g75833g01d63.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g75833g02a25.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g75833g02a25.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g75833g02z63.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g75833g02z63.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g75833g06k84.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g75833g06k84.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g75833g06q69.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g75833g06q69.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g75833g07t99.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g75833g07t99.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g75833g11f79.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g75833g11f79.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g75833g15i37.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g75833g15i37.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g75833g15k60.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g75833g15k60.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g75833g16k41.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g75833g16k41.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g75833g20i56.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g75833g20i56.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g75833g24d48.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g75833g24d48.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g75833g26p32.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g75833g26p32.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g75833g26x47.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g75833g26x47.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g75833g29z62.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g75833g29z62.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g75833g31m08.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g75833g31m08.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g75833g37c90.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g75833g37c90.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g75833g37v01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g75833g37v01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g75833g37v02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g75833g37v02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>g75833g39j93.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: g75833g39j93.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>g75833g52o93.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: g75833g52o93.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>g75833g55v55.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: g75833g55v55.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>g75833g57z11.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: g75833g57z11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>g75833g58v58.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: g75833g58v58.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>g75833g69d65.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: g75833g69d65.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>g75833g75a77.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 27 - file: g75833g75a77.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>g75833g77v77.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 28 - file: g75833g77v77.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>29
<FILENAME>g75833g79y12.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 29 - file: g75833g79y12.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>30
<FILENAME>g75833g80e78.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 30 - file: g75833g80e78.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>31
<FILENAME>g75833g80o24.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 31 - file: g75833g80o24.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>32
<FILENAME>g75833g84y69.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 32 - file: g75833g84y69.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>33
<FILENAME>g75833g90v90.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 33 - file: g75833g90v90.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>34
<FILENAME>g75833g91v91.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 34 - file: g75833g91v91.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>35
<FILENAME>g75833g93m00.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 35 - file: g75833g93m00.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>36
<FILENAME>g75833g93v93.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 36 - file: g75833g93v93.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>37
<FILENAME>g75833g97s37.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 37 - file: g75833g97s37.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>38
<FILENAME>g75833g98m82.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 38 - file: g75833g98m82.jpg

</DOCUMENT>
</SEC-DOCUMENT>