<SEC-DOCUMENT>0001193125-20-092616-index.html : 20200331
<SEC-HEADER>0001193125-20-092616.hdr.sgml : 20200331
<ACCEPTANCE-DATETIME>20200331140039
ACCESSION NUMBER:		0001193125-20-092616
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		36
CONFORMED PERIOD OF REPORT:	20200429
FILED AS OF DATE:		20200331
DATE AS OF CHANGE:		20200331
EFFECTIVENESS DATE:		20200331

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:		20761065

	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>d803729ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: d803729ddef14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g803729g01d63.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g803729g01d63.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g803729g02a25.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g803729g02a25.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g803729g02x22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g803729g02x22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g803729g02z63.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g803729g02z63.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g803729g03c22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g803729g03c22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g803729g04m60.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g803729g04m60.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g803729g07t99.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g803729g07t99.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g803729g10k77.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g803729g10k77.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g803729g12c33.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g803729g12c33.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g803729g13f98.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g803729g13f98.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g803729g16t13.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g803729g16t13.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g803729g17y50.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g803729g17y50.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g803729g18u43.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g803729g18u43.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g803729g26p32.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g803729g26p32.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g803729g30n25.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g803729g30n25.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g803729g44y22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g803729g44y22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g803729g45k07.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g803729g45k07.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g803729g46u89.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g803729g46u89.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g803729g57y32.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g803729g57y32.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g803729g57z11.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: g803729g57z11.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>g803729g58g36.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: g803729g58g36.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>g803729g60e99.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: g803729g60e99.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>g803729g60j46.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: g803729g60j46.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>g803729g60l08.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: g803729g60l08.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>g803729g62a10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: g803729g62a10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>g803729g62t20.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: g803729g62t20.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>g803729g63i58.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 28 - file: g803729g63i58.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>g803729g66a41.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 29 - file: g803729g66a41.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>g803729g72l31.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 30 - file: g803729g72l31.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>g803729g80e78.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 31 - file: g803729g80e78.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>g803729g82y18.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 32 - file: g803729g82y18.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>g803729g83l56.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 33 - file: g803729g83l56.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>g803729g86z78.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 34 - file: g803729g86z78.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>g803729pc1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 35 - file: g803729pc1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>g803729pc2.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 36 - file: g803729pc2.jpg
</DOCUMENT> </SEC-DOCUMENT>